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|
=begin
# $Id:$
Copyright (C) 2001-2003, 2005, 2006 Toshiaki Katayama <k@bioruby.org>
Copyright (C) 2005, 2006 Naohisa Goto <ng@bioruby.org>
= BioRuby ã®äœ¿ãæ¹
BioRuby ã¯åœç£ã®é«æ©èœãªããžã§ã¯ãæåã¹ã¯ãªããèšèª Ruby ã®ããã®
ãªãŒãã³ãœãŒã¹ãªãã€ãªã€ã³ãã©ããã£ã¯ã¹çšã©ã€ãã©ãªã§ãã
Ruby èšèªã¯ Perl èšèªãããã®åŒ·åãªããã¹ãåŠçãšã
ã·ã³ãã«ã§åãããããææ³ãã¯ãªã¢ãªãªããžã§ã¯ãæåæ©èœã«ããã
åºã䜿ãããããã«ãªããŸãããRuby ã«ã€ããŠè©³ããã¯ããŠã§ããµã€ã
((<URL:http://www.ruby-lang.org/>)) ãåžè²©ã®æžç±çãåç
§ããŠãã ããã
== ã¯ããã«
BioRuby ã䜿çšããã«ã¯ Ruby ãš BioRuby ãã€ã³ã¹ããŒã«ããå¿
èŠããããŸãã
=== Ruby ã®ã€ã³ã¹ããŒã«
Ruby 㯠Mac OS X ãæè¿ã® UNIX ã«ã¯éåžžã€ã³ã¹ããŒã«ãããŠããŸãã
Windows ã®å ŽåãïŒã¯ãªãã¯ã€ã³ã¹ããŒã©ã ActiveScriptRuby ãªã©ã
çšæãããŠããŸãããŸã ã€ã³ã¹ããŒã«ãããŠããªãå Žåã¯
* ((<URL:http://jp.rubyist.net/magazine/?0002-FirstProgramming>))
* ((<URL:http://jp.rubyist.net/magazine/?FirstStepRuby>))
ãªã©ãåèã«ããŠã€ã³ã¹ããŒã«ããŸãããã
ããªãã®ã³ã³ãã¥ãŒã¿ã«ã©ã®ããŒãžã§ã³ã® Ruby ãã€ã³ã¹ããŒã«ãããŠãããã
ãã§ãã¯ããã«ã¯
% ruby -v
ãšã³ãã³ããå
¥åããŠãã ããããããšãããšãã°
ruby 1.8.2 (2004-12-25) [powerpc-darwin7.7.0]
ã®ãããªæãã§ããŒãžã§ã³ã衚瀺ãããŸããããŒãžã§ã³ 1.8.5 以éããå§ãããŸãã
Ruby æšæºè£
åã®ã¯ã©ã¹ãã¡ãœããã«ã€ããŠã¯ãRuby ã®ãªãã¡ã¬ã³ã¹ããã¥ã¢ã«ã
åç
§ããŠãã ããã
* ((<URL:http://www.ruby-lang.org/ja/man/>))
* ((<URL:http://doc.okkez.net/>))
ã³ãã³ãã©ã€ã³ã§ãã«ããåç
§ããã«ã¯ãRuby æšæºæ·»ä»ã® ri ã³ãã³ããã
æ¥æ¬èªçã® refe ã³ãã³ãã䟿å©ã§ãã
* ((<URL:http://i.loveruby.net/ja/prog/refe.html>))
=== RubyGems ã®ã€ã³ã¹ããŒã«
RubyGems ã®ããŒãžããææ°çãããŠã³ããŒãããŸãã
* ((<URL:http://rubyforge.org/projects/rubygems/>))
å±éããŠã€ã³ã¹ããŒã«ããŸãã
% tar zxvf rubygems-x.x.x.tar.gz
% cd rubygems-x.x.x
% ruby setup.rb
=== BioRuby ã®ã€ã³ã¹ããŒã«
BioRuby ã®ã€ã³ã¹ããŒã«æ¹æ³ã¯ ((<URL:http://bioruby.org/archive/>)) ãã
ææ°çãååŸããŠä»¥äžã®ããã«è¡ããŸã(â»1)ã忢±ãããŠãã README ãã¡ã€ã«ã«ã
ç®ãéããŠé ãããã®ã§ãããæ
£ããªããšïŒæ¥ãããã«ãªã BioPerl ãšæ¯ã¹ãŠ
BioRuby ã®ã€ã³ã¹ããŒã«ã¯ããã«çµããã¯ãã§ãã
% wget http://bioruby.org/archive/bioruby-x.x.x.tar.gz
% tar zxvf bioruby-x.x.x.tar.gz
% cd bioruby-x.x.x
% su
# ruby setup.rb
RubyGems ã䜿ããç°å¢ã§ããã°
% gem install bio
ã ãã§ã€ã³ã¹ããŒã«ã§ããŸãããã®ããš README ãã¡ã€ã«ã«æžãããŠããããã«
bioruby-x.x.x/etc/bioinformatics/seqdatabase.ini
ãšãããã¡ã€ã«ãããŒã ãã£ã¬ã¯ããªã® ~/.bioinformatics ã«ã³ããŒããŠ
ãããšããã§ããããRubyGems ã®å Žåã¯
/usr/local/lib/ruby/gems/1.8/gems/bio-x.x.x/
ãªã©ã«ããã¯ãã§ãã
% mkdir ~/.bioinformatics
% cp bioruby-x.x.x/etc/bioinformatics/seqdatabase.ini ~/.bioinformatics
ãŸããEmacs ãšãã£ã¿ã䜿ã人㯠Ruby ã®ãœãŒã¹ã«å梱ãããŠãã
misc/ruby-mode.el ãã€ã³ã¹ããŒã«ããŠãããšããã§ãããã
% mkdir -p ~/lib/lisp/ruby
% cp ruby-x.x.x/misc/ruby-mode.el ~/lib/lisp/ruby
ãªã©ãšããŠãããŠã~/.emacs ã«ä»¥äžã®èšå®ãæžãè¶³ããŸãã
; subdirs ã®èšå®
(let ((default-directory "~/lib/lisp"))
(normal-top-level-add-subdirs-to-load-path)
; ruby-mode ã®èšå®
(autoload 'ruby-mode "ruby-mode" "Mode for editing ruby source files")
(add-to-list 'auto-mode-alist '("\\.rb$" . rd-mode))
(add-to-list 'interpeter-mode-alist '("ruby" . ruby-mode))
== BioRuby ã·ã§ã«
BioRuby ããŒãžã§ã³ 0.7 以éã§ã¯ãç°¡åãªæäœã¯ BioRuby ãšå
±ã«ã€ã³ã¹ããŒã«ããã
bioruby ã³ãã³ãã§è¡ãããšãã§ããŸããbioruby ã³ãã³ã㯠Ruby ã«å
èµãããŠãã
ã€ã³ã¿ã©ã¯ãã£ãã·ã§ã« irb ãå©çšããŠãããRuby ãš BioRuby ã«ã§ããããšã¯å
šãŠ
èªç±ã«å®è¡ããããšãã§ããŸãã
% bioruby project1
åŒæ°ã§æå®ããååã®ãã£ã¬ã¯ããªãäœæããããã®äžã§è§£æãè¡ããŸãã
äžèšã®äŸã®å Žå project1 ãšãããã£ã¬ã¯ããªãäœæãããããã«ä»¥äžã®
ãµããã£ã¬ã¯ããªããã¡ã€ã«ãäœãããŸãã
data/ ãŠãŒã¶ã®è§£æãã¡ã€ã«ã眮ãå Žæ
plugin/ å¿
èŠã«å¿ããŠè¿œå ã®ãã©ã°ã€ã³ã眮ãå Žæ
session/ èšå®ããªããžã§ã¯ãããã¹ããªãªã©ãä¿åãããå Žæ
session/config ãŠãŒã¶ã®èšå®ãä¿åãããã¡ã€ã«
session/history ãŠãŒã¶ã®å
¥åããã³ãã³ãã®ãã¹ããªãä¿åãããã¡ã€ã«
session/object æ°žç¶åããããªããžã§ã¯ãã®æ ŒçŽãã¡ã€ã«
ãã®ãã¡ãdata ãã£ã¬ã¯ããªã¯ãŠãŒã¶ãèªç±ã«æžãæããŠæ§ããŸããã
ãŸããsession/history ãã¡ã€ã«ãèŠããšããã€ã©ã®ãããªæäœãè¡ã£ããã
確èªããããšãã§ããŸãã
ïŒåç®ä»¥éã¯ãååãšåæ§ã«
% bioruby project1
ãšããŠèµ·åããŠãæ§ããŸããããäœæããããã£ã¬ã¯ããªã«ç§»åããŠ
% cd project1
% bioruby
ã®ããã«åŒæ°ãªãã§èµ·åããããšãã§ããŸãã
ãã®ä»ãscript ã³ãã³ãã§äœæãããã¹ã¯ãªãããã¡ã€ã«ãã
web ã³ãã³ãã§äœæããã Rails ã®ããã®èšå®ãã¡ã€ã«ãªã©ããããŸããã
ãããã«ã€ããŠã¯å¿
èŠã«å¿ããŠåŸè¿°ããŸãã
BioRuby ã·ã§ã«ã§ã¯ããã©ã«ãã§ããã€ãã®äŸ¿å©ãªã©ã€ãã©ãªãèªã¿èŸŒãã§ããŸãã
äŸãã° readline ã©ã€ãã©ãªã䜿ããç°å¢ã§ã¯ Tab ããŒã§ã¡ãœããåã倿°åã
è£å®ãããã¯ãã§ããopen-uri, pp, yaml ãªã©ãæåããèªã¿èŸŒãŸããŠããŸãã
=== å¡©åº, ã¢ããé
žã®é
åãäœã
--- getseq(str)
getseq ã³ãã³ã(â»2)ã䜿ã£ãŠæååããå¡©åºé
åãã¢ããé
žé
åãäœãããšã
ã§ããŸããå¡©åºãšã¢ããé
žã¯ ATGC ã®å«éã 90% 以äžãã©ããã§èªåå€å®ãããŸãã
ããã§ã¯ãã§ããå¡©åºé
åã dna ãšãã倿°ã«ä»£å
¥ããŸãã
bioruby> dna = getseq("atgcatgcaaaa")
倿°ã®äžèº«ã確èªããã«ã¯ Ruby ã® puts ã¡ãœããã䜿ããŸãã
bioruby> puts dna
atgcatgcaaaa
ãã¡ã€ã«åãåŒæ°ã«äžãããšæå
ã«ãããã¡ã€ã«ããé
åãåŸãããšãã§ããŸãã
GenBank, EMBL, UniProt, FASTA ãªã©äž»èŠãªé
åãã©ãŒãããã¯èªåå€å¥ãããŸã
ïŒæ¡åŒµåãªã©ã®ãã¡ã€ã«åã§ã¯ãªããšã³ããªã®äžèº«ã§å€å®ããŸãïŒã
以äžã¯ UniProt ãã©ãŒãããã®ãšã³ããªããã¡ã€ã«ããèªã¿èŸŒãã§ããŸãã
ãã®æ¹æ³ã§ã¯ãè€æ°ã®ãšã³ããªãããå Žåæåã®ãšã³ããªã ããèªã¿èŸŒãŸããŸãã
bioruby> cdc2 = getseq("p04551.sp")
bioruby> puts cdc2
MENYQKVEKIGEGTYGVVYKARHKLSGRIVAMKKIRLEDESEGVPSTAIREISLLKEVNDENNRSN...(ç¥)
ããŒã¿ããŒã¹åãšãšã³ããªåãåãã£ãŠããã°ãã€ã³ã¿ãŒããããéããŠ
é
åãèªåçã«ååŸããããšãã§ããŸãã
bioruby> psaB = getseq("genbank:AB044425")
bioruby> puts psaB
actgaccctgttcatattcgtcctattgctcacgcgatttgggatccgcactttggccaaccagca...(ç¥)
ã©ãã®ããŒã¿ããŒã¹ããã©ã®ãããªæ¹æ³ã§ãšã³ããªãååŸãããã¯ãBioPerl
ãªã©ãšå
±éã® OBDA èšå®ãã¡ã€ã« ~/.bioinformatics/seqdatabase.ini
ãçšããŠããŒã¿ããŒã¹ããšã«æå®ããããšãã§ããŸãïŒåŸè¿°ïŒã
ãŸããEMBOSS ã® seqret ã³ãã³ãã«ããé
åååŸã«ã察å¿ããŠããŸãã®ã§ã
EMBOSS ã® USA 衚èšã§ããšã³ããªãååŸã§ããŸããEMBOSS ã®ããã¥ã¢ã«ãåç
§ã
~/.embossrc ãé©åã«èšå®ããŠãã ããã
ã©ã®æ¹æ³ã§ååŸããå Žåããgetseq ã³ãã³ãã«ãã£ãŠè¿ãããé
åã¯ã
æ±çšã®é
åã¯ã©ã¹ Bio::Sequence ã«ãªããŸã(â»3)ã
é
åãå¡©åºé
åãšã¢ããé
žé
åã®ã©ã¡ããšå€å®ãããŠããã®ãã¯ã
moltype ã¡ãœãããçšããŠ
bioruby> p cdc2.moltype
Bio::Sequence::AA
bioruby> p psaB.moltype
Bio::Sequence::NA
ã®ããã«èª¿ã¹ãããšãã§ããŸããèªåå€å®ãééã£ãŠããå Žåãªã©ã«ã¯
na, aa ã¡ãœããã§åŒ·å¶çã«å€æã§ããŸãããªãããããã®ã¡ãœããã¯
å
ã®ãªããžã§ã¯ãã匷å¶çã«æžãæããŸãã
bioruby> dna.aa
bioruby> p dna.moltype
Bio::Sequence::AA
bioruby> dna.na
bioruby> p dna.moltype
Bio::Sequence::NA
ãŸãã¯ãto_naseq, to_aaseq ã¡ãœããã§åŒ·å¶çã«å€æããããšãã§ããŸãã
bioruby> pep = dna.to_aaseq
to_naseq, to_aaseq ã¡ãœããã®è¿ããªããžã§ã¯ãã¯ãããããã
DNA é
åã®ããã® Bio::Sequence::NA ã¯ã©ã¹ãã¢ããé
žé
åã®ããã®
Bio::Sequence::AA ã¯ã©ã¹ã®ãªããžã§ã¯ãã«ãªããŸãã
é
åãã©ã¡ãã®ã¯ã©ã¹ã«å±ããã㯠Ruby ã® class ã¡ãœãããçšããŠ
bioruby> p pep.class
Bio::Sequence::AA
ã®ããã«èª¿ã¹ãããšãã§ããŸãã
匷å¶çã«å€æããã«ãBio::Sequence::NA ã¯ã©ã¹ãŸã㯠Bio::sequence::AA ã¯ã©ã¹
ã®ã©ã¡ããã®ãªããžã§ã¯ããåŸããå Žåã«ã¯ seq ã¡ãœããã䜿ããŸã(â»4)ã
bioruby> pep2 = cdc2.seq
bioruby> p pep2.class
Bio::Sequence::AA
ãŸãã以äžã§è§£èª¬ãã complement ã translate ãªã©ã®ã¡ãœããã®çµæã¯ã
å¡©åºé
åãè¿ãããšãæåŸ
ãããã¡ãœãã㯠Bio::Sequence::NA ã¯ã©ã¹ã
ã¢ããé
žé
åãè¿ãããšãæåŸ
ãããã¡ãœãã㯠Bio::sequence::AA ã¯ã©ã¹
ã®ãªããžã§ã¯ãã«ãªããŸãã
å¡©åºé
åãã¢ããé
žé
åã®ã¯ã©ã¹ã¯ Ruby ã®æååã¯ã©ã¹ã§ãã String ã
ç¶æ¿ããŠããŸãããŸããBio::Sequence ã¯ã©ã¹ã®ãªããžã§ã¯ã㯠String ã®
ãªããžã§ã¯ããšèŠããäžåæ§ã«åãããã«å·¥å€«ãããŠããŸãããã®ããã
length ã§é·ãã調ã¹ããã+ ã§è¶³ãåããããã* ã§ç¹°ãè¿ããããªã©ã
Ruby ã®æååã«å¯ŸããŠè¡ããæäœã¯å
šãŠå©çšå¯èœã§ãã
ãã®ãããªç¹åŸŽã¯ãªããžã§ã¯ãæåã®åŒ·åãªåŽé¢ã®äžã€ãšèšããã§ãããã
bioruby> puts dna.length
12
bioruby> puts dna + dna
atgcatgcaaaaatgcatgcaaaa
bioruby> puts dna * 5
atgcatgcaaaaatgcatgcaaaaatgcatgcaaaaatgcatgcaaaaatgcatgcaaaa
:complement
å¡©åºé
åã®çžè£éé
åãåŸãã«ã¯å¡©åºé
åã® complement ã¡ãœãããåŒã³ãŸãã
bioruby> puts dna.complement
ttttgcatgcat
:translate
å¡©åºé
åãã¢ããé
žé
åã«ç¿»èš³ããã«ã¯ translate ã¡ãœããã䜿ããŸãã
翻蚳ãããã¢ããé
žé
åã pep ãšãã倿°ã«ä»£å
¥ããŠã¿ãŸãã
bioruby> pep = dna.translate
bioruby> puts pep
MHAK
ãã¬ãŒã ãå€ããŠç¿»èš³ããã«ã¯
bioruby> puts dna.translate(2)
CMQ
bioruby> puts dna.translate(3)
ACK
ãªã©ãšããŸãã
:molecular_weight
ååé㯠molecular_weight ã¡ãœããã§è¡šç€ºãããŸãã
bioruby> puts dna.molecular_weight
3718.66444
bioruby> puts pep.molecular_weight
485.605
--- seqstat(seq)
seqstat ã³ãã³ãã䜿ããšãçµæãªã©ã®æ
å ±ãäžåºŠã«è¡šç€ºãããŸãã
bioruby> seqstat(dna)
* * * Sequence statistics * * *
5'->3' sequence : atgcatgcaaaa
3'->5' sequence : ttttgcatgcat
Translation 1 : MHAK
Translation 2 : CMQ
Translation 3 : ACK
Translation -1 : FCMH
Translation -2 : FAC
Translation -3 : LHA
Length : 12 bp
GC percent : 33 %
Composition : a - 6 ( 50.00 %)
c - 2 ( 16.67 %)
g - 2 ( 16.67 %)
t - 2 ( 16.67 %)
Codon usage :
*---------------------------------------------*
| | 2nd | |
| 1st |-------------------------------| 3rd |
| | U | C | A | G | |
|-------+-------+-------+-------+-------+-----|
| U U |F 0.0%|S 0.0%|Y 0.0%|C 0.0%| u |
| U U |F 0.0%|S 0.0%|Y 0.0%|C 0.0%| c |
| U U |L 0.0%|S 0.0%|* 0.0%|* 0.0%| a |
| UUU |L 0.0%|S 0.0%|* 0.0%|W 0.0%| g |
|-------+-------+-------+-------+-------+-----|
| CCCC |L 0.0%|P 0.0%|H 25.0%|R 0.0%| u |
| C |L 0.0%|P 0.0%|H 0.0%|R 0.0%| c |
| C |L 0.0%|P 0.0%|Q 0.0%|R 0.0%| a |
| CCCC |L 0.0%|P 0.0%|Q 0.0%|R 0.0%| g |
|-------+-------+-------+-------+-------+-----|
| A |I 0.0%|T 0.0%|N 0.0%|S 0.0%| u |
| A A |I 0.0%|T 0.0%|N 0.0%|S 0.0%| c |
| AAAAA |I 0.0%|T 0.0%|K 25.0%|R 0.0%| a |
| A A |M 25.0%|T 0.0%|K 0.0%|R 0.0%| g |
|-------+-------+-------+-------+-------+-----|
| GGGG |V 0.0%|A 0.0%|D 0.0%|G 0.0%| u |
| G |V 0.0%|A 0.0%|D 0.0%|G 0.0%| c |
| G GGG |V 0.0%|A 25.0%|E 0.0%|G 0.0%| a |
| GG G |V 0.0%|A 0.0%|E 0.0%|G 0.0%| g |
*---------------------------------------------*
Molecular weight : 3718.66444
Protein weight : 485.605
//
ã¢ããé
žé
åã®å Žåã¯ä»¥äžã®ããã«ãªããŸãã
bioruby> seqstat(pep)
* * * Sequence statistics * * *
N->C sequence : MHAK
Length : 4 aa
Composition : A Ala - 1 ( 25.00 %) alanine
H His - 1 ( 25.00 %) histidine
K Lys - 1 ( 25.00 %) lysine
M Met - 1 ( 25.00 %) methionine
Protein weight : 485.605
//
:composition
seqstat ã®äžã§è¡šç€ºãããŠããçµæã¯ composition ã¡ãœããã§åŸãããšãã§ããŸãã
çµæãæååã§ã¯ãªã Hash ã§è¿ãããã®ã§ããšãããã衚瀺ããŠã¿ãå Žåã«ã¯
puts ã®ä»£ããã« p ã³ãã³ãã䜿ããšè¯ãã§ãããã
bioruby> p dna.composition
{"a"=>6, "c"=>2, "g"=>2, "t"=>2}
==== å¡©åºé
åãã¢ããé
žé
åã®ãã®ä»ã®ã¡ãœãã
ä»ã«ãå¡©åºé
åãã¢ããé
žé
åã«å¯ŸããŠè¡ããæäœã¯è²ã
ãšãããŸãã
:subseq(from, to)
éšåé
åãåãåºãã«ã¯ subseq ã¡ãœããã䜿ããŸãã
bioruby> puts dna.subseq(1, 3)
atg
Ruby ãªã©å€ãã®ããã°ã©ãã³ã°èšèªã®æåå㯠1 æåç®ã 0 ããæ°ããŸããã
subseq ã¡ãœãã㯠1 ããæ°ããŠåãåºããããã«ãªã£ãŠããŸãã
bioruby> puts dna[0, 3]
atg
Ruby ã® String ã¯ã©ã¹ãæã€ slice ã¡ãœãã str[] ãšé©å®äœ¿ãåãããš
ããã§ãããã
:window_search(len, step)
window_search ã¡ãœããã䜿ããšé·ãé
åã®éšåé
忝ã®ç¹°ãè¿ãã
ç°¡åã«è¡ãããšãã§ããŸããDNA é
åãã³ãã³æ¯ã«åŠçããå Žåã
ïŒæåãã€ããããªããïŒæåãåãåºãã°ããã®ã§ä»¥äžã®ããã«ãªããŸãã
bioruby> dna.window_search(3, 3) do |codon|
bioruby+ puts "#{codon}\t#{codon.translate}"
bioruby+ end
atg M
cat H
gca A
aaa K
ã²ãã é
åããæ«ç«¯ 1000bp ããªãŒããŒã©ãããããªãã 11000bp ããšã«
ããåãã«ã FASTA ãã©ãŒãããã«æŽåœ¢ããå Žåã¯ä»¥äžã®ããã«ãªããŸãã
bioruby> seq.window_search(11000, 10000) do |subseq|
bioruby+ puts subseq.to_fasta
bioruby+ end
æåŸã® 10000bp ã«æºããªã 3' 端ã®äœãé
åã¯è¿ãå€ãšããŠåŸãããã®ã§ã
å¿
èŠãªå Žåã¯å¥éåãåã£ãŠè¡šç€ºããŸãã
bioruby> i = 1
bioruby> remainder = seq.window_search(11000, 10000) do |subseq|
bioruby+ puts subseq.to_fasta("segment #{i*10000}", 60)
bioruby+ i += 1
bioruby+ end
bioruby> puts remainder.to_fasta("segment #{i*10000}", 60)
:splicing(position)
å¡©åºé
åã® GenBank çã® position æååã«ããåãåºã㯠splicing
ã¡ãœããã§è¡ããŸãã
bioruby> puts dna
atgcatgcaaaa
bioruby> puts dna.splicing("join(1..3,7..9)")
atggca
:randomize
randomize ã¡ãœããã¯ãé
åã®çµæãä¿åãããŸãŸã©ã³ãã é
åãçæããŸãã
bioruby> puts dna.randomize
agcaatagatac
:to_re
to_re ã¡ãœããã¯ãææ§ãªå¡©åºã®è¡šèšãå«ãå¡©åºé
åã atgc ã ãã®
ãã¿ãŒã³ãããªãæ£èŠè¡šçŸã«å€æããŸãã
bioruby> ambiguous = getseq("atgcyatgcatgcatgc")
bioruby> p ambiguous.to_re
/atgc[tc]atgcatgcatgc/
bioruby> puts ambiguous.to_re
(?-mix:atgc[tc]atgcatgcatgc)
seq ã¡ãœãã㯠ATGC ã®å«æéã 90% 以äžã ãšã¢ããé
žé
åãšã¿ãªãã®ã§ã
ææ§ãªå¡©åºãå€ãå«ãŸããé
åã®å Žå㯠to_naseq ã¡ãœããã䜿ã£ãŠ
æç€ºçã« Bio::Sequence::NA ãªããžã§ã¯ãã«å€æããå¿
èŠããããŸãã
bioruby> s = getseq("atgcrywskmbvhdn").to_naseq
bioruby> p s.to_re
/atgc[ag][tc][at][gc][tg][ac][tgc][agc][atc][atg][atgc]/
bioruby> puts s.to_re
(?-mix:atgc[ag][tc][at][gc][tg][ac][tgc][agc][atc][atg][atgc])
:names
ããŸã䜿ãããšã¯ãããŸããããé
åãå¡©åºåãã¢ããé
žåã«å€æãã
ã¡ãœããã§ãã
bioruby> p dna.names
["adenine", "thymine", "guanine", "cytosine", "adenine", "thymine",
"guanine", "cytosine", "adenine", "adenine", "adenine", "adenine"]
bioruby> p pep.names
["methionine", "histidine", "alanine", "lysine"]
:codes
ã¢ããé
žé
åãïŒæåã³ãŒãã«å€æãã names ãšäŒŒãã¡ãœããã§ãã
bioruby> p pep.codes
["Met", "His", "Ala", "Lys"]
:gc_percent
å¡©åºé
åã® GC å«é㯠gc_percent ã¡ãœããã§åŸãããŸãã
bioruby> p dna.gc_percent
33
:to_fasta
FASTA ãã©ãŒãããã«å€æããã«ã¯ to_fasta ã¡ãœããã䜿ããŸãã
bioruby> puts dna.to_fasta("dna sequence")
>dna sequence
aaccggttacgt
=== å¡©åºãã¢ããé
žã®ã³ãŒããã³ãã³è¡šããã€ãã
ã¢ããé
žãå¡©åºãã³ãã³ããŒãã«ãåŸãããã® aminoacids, nucleicacids,
codontables, codontable ã³ãã³ãã玹ä»ããŸãã
--- aminoacids
ã¢ããé
žã®äžèŠ§ã¯ aminoacids ã³ãã³ãã§è¡šç€ºã§ããŸãã
bioruby> aminoacids
? Pyl pyrrolysine
A Ala alanine
B Asx asparagine/aspartic acid
C Cys cysteine
D Asp aspartic acid
E Glu glutamic acid
F Phe phenylalanine
G Gly glycine
H His histidine
I Ile isoleucine
K Lys lysine
L Leu leucine
M Met methionine
N Asn asparagine
P Pro proline
Q Gln glutamine
R Arg arginine
S Ser serine
T Thr threonine
U Sec selenocysteine
V Val valine
W Trp tryptophan
Y Tyr tyrosine
Z Glx glutamine/glutamic acid
è¿ãå€ã¯çã衚èšãšå¯Ÿå¿ããé·ã衚èšã®ããã·ã¥ã«ãªã£ãŠããŸãã
bioruby> aa = aminoacids
bioruby> puts aa["G"]
Gly
bioruby> puts aa["Gly"]
glycine
--- nucleicacids
å¡©åºã®äžèŠ§ã¯ nucleicacids ã³ãã³ãã§è¡šç€ºã§ããŸãã
bioruby> nucleicacids
a a Adenine
t t Thymine
g g Guanine
c c Cytosine
u u Uracil
r [ag] puRine
y [tc] pYrimidine
w [at] Weak
s [gc] Strong
k [tg] Keto
m [ac] aroMatic
b [tgc] not A
v [agc] not T
h [atc] not G
d [atg] not C
n [atgc]
è¿ãå€ã¯å¡©åºã®ïŒæå衚èšãšè©²åœããå¡©åºã®ããã·ã¥ã«ãªã£ãŠããŸãã
bioruby> na = nucleicacids
bioruby> puts na["r"]
[ag]
--- codontables
ã³ãã³ããŒãã«ã®äžèŠ§ã¯ codontables ã³ãã³ãã§è¡šç€ºã§ããŸãã
bioruby> codontables
1 Standard (Eukaryote)
2 Vertebrate Mitochondrial
3 Yeast Mitochondorial
4 Mold, Protozoan, Coelenterate Mitochondrial and Mycoplasma/Spiroplasma
5 Invertebrate Mitochondrial
6 Ciliate Macronuclear and Dasycladacean
9 Echinoderm Mitochondrial
10 Euplotid Nuclear
11 Bacteria
12 Alternative Yeast Nuclear
13 Ascidian Mitochondrial
14 Flatworm Mitochondrial
15 Blepharisma Macronuclear
16 Chlorophycean Mitochondrial
21 Trematode Mitochondrial
22 Scenedesmus obliquus mitochondrial
23 Thraustochytrium Mitochondrial
è¿ãå€ã¯ããŒãã«çªå·ãšååã®ããã·ã¥ã«ãªã£ãŠããŸãã
bioruby> ct = codontables
bioruby> puts ct[3]
Yeast Mitochondorial
--- codontable(num)
ã³ãã³è¡šèªäœã¯ codontable ã³ãã³ãã§è¡šç€ºã§ããŸãã
bioruby> codontable(11)
= Codon table 11 : Bacteria
hydrophilic: H K R (basic), S T Y Q N S (polar), D E (acidic)
hydrophobic: F L I M V P A C W G (nonpolar)
*---------------------------------------------*
| | 2nd | |
| 1st |-------------------------------| 3rd |
| | U | C | A | G | |
|-------+-------+-------+-------+-------+-----|
| U U | Phe F | Ser S | Tyr Y | Cys C | u |
| U U | Phe F | Ser S | Tyr Y | Cys C | c |
| U U | Leu L | Ser S | STOP | STOP | a |
| UUU | Leu L | Ser S | STOP | Trp W | g |
|-------+-------+-------+-------+-------+-----|
| CCCC | Leu L | Pro P | His H | Arg R | u |
| C | Leu L | Pro P | His H | Arg R | c |
| C | Leu L | Pro P | Gln Q | Arg R | a |
| CCCC | Leu L | Pro P | Gln Q | Arg R | g |
|-------+-------+-------+-------+-------+-----|
| A | Ile I | Thr T | Asn N | Ser S | u |
| A A | Ile I | Thr T | Asn N | Ser S | c |
| AAAAA | Ile I | Thr T | Lys K | Arg R | a |
| A A | Met M | Thr T | Lys K | Arg R | g |
|-------+-------+-------+-------+-------+-----|
| GGGG | Val V | Ala A | Asp D | Gly G | u |
| G | Val V | Ala A | Asp D | Gly G | c |
| G GGG | Val V | Ala A | Glu E | Gly G | a |
| GG G | Val V | Ala A | Glu E | Gly G | g |
*---------------------------------------------*
è¿ãå€ã¯ Bio::CodonTable ã¯ã©ã¹ã®ãªããžã§ã¯ãã§ãã³ãã³ãšã¢ããé
žã®
倿ãã§ããã ãã§ãªãã以äžã®ãããªããŒã¿ãåŸãããšãã§ããŸãã
bioruby> ct = codontable(2)
bioruby> p ct["atg"]
"M"
:definition
ã³ãã³è¡šã®å®çŸ©ã®èª¬æ
bioruby> puts ct.definition
Vertebrate Mitochondrial
:start
éå§ã³ãã³äžèЧ
bioruby> p ct.start
["att", "atc", "ata", "atg", "gtg"]
:stop
çµæ¢ã³ãã³äžèЧ
bioruby> p ct.stop
["taa", "tag", "aga", "agg"]
:revtrans
ã¢ããé
žãã³ãŒãããã³ãã³ã調ã¹ã
bioruby> p ct.revtrans("V")
["gtc", "gtg", "gtt", "gta"]
=== ãã©ãããã¡ã€ã«ã®ãšã³ããª
ããŒã¿ããŒã¹ã®ãšã³ããªãšããã©ãããã¡ã€ã«ãã®ãã®ãæ±ãæ¹æ³ã玹ä»ããŸãã
GenBank ããŒã¿ããŒã¹ã®äžã§ã¯ããã¡ãŒãžã®ãšã³ããªãå«ãŸãã gbphg.seq ã®
ãã¡ã€ã«ãµã€ãºãå°ããã®ã§ããã®ãã¡ã€ã«ãäŸãšããŠäœ¿ããŸãã
% wget ftp://ftp.hgc.jp/pub/mirror/ncbi/genbank/gbphg.seq.gz
% gunzip gbphg.seq.gz
--- getent(str)
getseq ã³ãã³ãã¯é
åãååŸããŸããããé
åã ãã§ãªããšã³ããªå
šäœãååŸãã
ã«ã¯ getent ã³ãã³ã(â»2)ã䜿ããŸããgetseq ã³ãã³ãåæ§ãgetent ã³ãã³ãã§ã
OBDA, EMBOSS, NCBI, EBI, TogoWS ã®ããŒã¿ããŒã¹ãå©çšå¯èœã§ã(â»5)ã
èšå®ã«ã€ããŠã¯ getseq ã³ãã³ãã®èª¬æãåç
§ããŠãã ããã
bioruby> entry = getent("genbank:AB044425")
bioruby> puts entry
LOCUS AB044425 1494 bp DNA linear PLN 28-APR-2001
DEFINITION Volvox carteri f. kawasakiensis chloroplast psaB gene for
photosystem I P700 chlorophyll a apoprotein A2,
strain:NIES-732.
(ç¥)
getent ã³ãã³ãã®åŒæ°ã«ã¯ db:entry_id 圢åŒã®æååãEMBOSS ã® USAã
ãã¡ã€ã«ãIO ãäžããããããŒã¿ããŒã¹ã®ïŒãšã³ããªåã®æååãè¿ãããŸãã
é
åããŒã¿ããŒã¹ã«éãããæ°å€ãã®ããŒã¿ããŒã¹ãšã³ããªã«å¯Ÿå¿ããŠããŸãã
--- flatparse(str)
ååŸãããšã³ããªãããŒã¹ããŠæ¬²ããããŒã¿ããšãã ãã«ã¯ flatparse
ã³ãã³ãã䜿ããŸãã
bioruby> entry = getent("gbphg.seq")
bioruby> gb = flatparse(entry)
bioruby> puts gb.entry_id
AB000833
bioruby> puts gb.definition
Bacteriophage Mu DNA for ORF1, sheath protein gpL, ORF2, ORF3, complete cds.
bioruby> puts psaB.naseq
acggtcagacgtttggcccgaccaccgggatgaggctgacgcaggtcagaaatctttgtgacgacaaccgtatcaat
(ç¥)
--- getobj(str)
getobj ã³ãã³ã(â»2)ã¯ãgetent ã§ãšã³ããªãæååãšããŠååŸã flatparse ã§
ããŒã¹ãããªããžã§ã¯ãã«å€æããã®ãšåãã§ããgetent ã³ãã³ããšåãåŒæ°ã
åãä»ããŸããé
åãååŸããæã¯ getseqããšã³ããªãååŸããæã¯ getentã
ããŒã¹ãããªããžã§ã¯ããååŸããæã¯ getobj ã䜿ãããšã«ãªããŸãã
bioruby> gb = getobj("gbphg.seq")
bioruby> puts gb.entry_id
AB000833
--- flatfile(file)
getent ã³ãã³ãã¯ïŒãšã³ããªããæ±ããªããããããŒã«ã«ã®ãã¡ã€ã«ãéããŠ
åãšã³ããªæ¯ã«åŠçãè¡ãã«ã¯ flatfile ã³ãã³ãã䜿ããŸãã
bioruby> flatfile("gbphg.seq") do |entry|
bioruby+ # do something on entry
bioruby+ end
ãããã¯ãæå®ããªãå Žåã¯ããã¡ã€ã«äžã®æåã®ãšã³ããªãååŸããŸãã
bioruby> entry = flatfile("gbphg.seq")
bioruby> gb = flatparse(entry)
bioruby> puts gb.entry_id
--- flatauto(file)
åãšã³ããªã flatparse ãšåæ§ã«ããŒã¹ããç¶æ
ã§é çªã«åŠçããããã«ã¯ã
flatfile ã³ãã³ãã®ä»£ããã« flatauto ã³ãã³ãã䜿ããŸãã
bioruby> flatauto("gbphg.seq") do |entry|
bioruby+ print entry.entry_id
bioruby+ puts entry.definition
bioruby+ end
flatfile åæ§ããããã¯ãæå®ããªãå Žåã¯ããã¡ã€ã«äžã®æåã®ãšã³ããªã
ååŸããããŒã¹ãããªããžã§ã¯ããè¿ããŸãã
bioruby> gb = flatfile("gbphg.seq")
bioruby> puts gb.entry_id
=== ãã©ãããã¡ã€ã«ã®ã€ã³ãã¯ã·ã³ã°
EMBOSS ã® dbiflat ã«äŒŒãæ©èœãšããŠãBioRuby, BioPerl ãªã©ã«å
±éã® BioFlat
ãšããã€ã³ããã¯ã¹ãäœæããä»çµã¿ããããŸããäžåºŠã€ã³ããã¯ã¹ã
äœæããŠãããšãšã³ããªã®åãåºããé«éãã€å®¹æã«è¡ããŸãã
ããã«ããèªåå°çšã®ããŒã¿ããŒã¹ãæè»œã«äœãããšãã§ããŸãã
--- flatindex(db_name, *source_file_list)
GenBank ã®ãã¡ãŒãžã®é
åãã¡ã€ã« gbphg.seq ã«å
¥ã£ãŠãããšã³ããªã«å¯ŸããŠ
mydb ãšããããŒã¿ããŒã¹åã§ã€ã³ããã¯ã¹ãäœæããŸãã
bioruby> flatindex("mydb", "gbphg.seq")
Creating BioFlat index (.bioruby/bioflat/mydb) ... done
--- flatsearch(db_name, entry_id)
äœæãã mydb ããŒã¿ããŒã¹ãããšã³ããªããšãåºãã«ã¯ flatsearch ã³ãã³ãã
䜿ããŸãã
bioruby> entry = flatsearch("mydb", "AB004561")
bioruby> puts entry
LOCUS AB004561 2878 bp DNA linear PHG 20-MAY-1998
DEFINITION Bacteriophage phiU gene for integrase, complete cds, integration
site.
ACCESSION AB004561
(ç¥)
=== æ§ã
㪠DB ã®é
åã FASTA ãã©ãŒãããã«å€æããŠä¿å
FASTA ãã©ãŒãããã¯é
åããŒã¿ã§æšæºçã«çšããããŠãããã©ãŒãããã§ãã
ã>ãèšå·ã§ã¯ããŸãïŒè¡ç®ã«é
åã®èª¬æããããïŒè¡ç®ä»¥éã«é
åãã€ã¥ããŸãã
é
åäžã®ç©ºçœæåã¯ç¡èŠãããŸãã
>entry_id definition ...
ACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGT
ACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGT
é
åã®èª¬æè¡ã¯ãæåã®åèªãé
åã® ID ã«ãªã£ãŠããããšãå€ãã®ã§ããã
NCBI ã® BLAST çšããŒã¿ããŒã¹ã§ã¯ããã«é«åºŠãªæ§é åããããªãããŠããŸãã
* ((<URL:ftp://ftp.ncbi.nih.gov/blast/documents/README.formatdb>))
* ((<URL:http://blast.wustl.edu/doc/FAQ-Indexing.html#Identifiers>))
* FASTA format (Wikipedia)
((<URL:http://en.wikipedia.org/wiki/Fasta_format>))
BioRuby ã®ããŒã¿ããŒã¹ãšã³ããªã®ã¯ã©ã¹ã«ã¯ãšã³ããªIDãé
åãå®çŸ©ã«ã€ããŠ
å
±éã®ã¡ãœãããçšæãããŠããŸãã
* entry_id - ãšã³ã㪠ID ãååŸ
* definition - å®çŸ©æãååŸ
* seq - é
åãååŸ
ãããã®å
±éã¡ãœããã䜿ããšãã©ããªé
åããŒã¿ããŒã¹ãšã³ããªã§ã
FASTA ãã©ãŒãããã«å€æã§ããããã°ã©ã ãç°¡åã«äœããŸãã
entry.seq.to_fasta("#{entry.entry_id} #{entry.definition}", 60)
ããã«ãBioRuby ã§ã¯å
¥åããŒã¿ããŒã¹ã®åœ¢åŒãèªåå€å¥ã§ããŸãã®ã§ã
GenBank, UniProt ãªã©å€ãã®äž»èŠãªé
åããŒã¿ããŒã¹ã§ã¯
ãã¡ã€ã«åãæå®ããã ãã§ FASTA ãã©ãŒãããã«å€æã§ããŸãã
--- flatfasta(fasta_file, *source_file_list)
å
¥åããŒã¿ããŒã¹ã®ãã¡ã€ã«åã®ãªã¹ããããæå®ãã FASTA ãã©ãŒãããã®
ãã¡ã€ã«ãçæããã³ãã³ãã§ããããã§ã¯ããã€ãã® GenBank ã®ãã¡ã€ã«ã
FASTA ãã©ãŒãããã«å€æããmyfasta.fa ãšãããã¡ã€ã«ã«ä¿åããŠããŸãã
bioruby> flatfasta("myfasta.fa", "gbphg.seq", "gbvrl1.seq", "gbvrl2.seq")
Saving fasta file (myfasta.fa) ...
converting -- gbphg.gbk
converting -- gbvrl1.gbk
converting -- gbvrl2.gbk
done
=== ã¹ã¯ãªããçæ
äœæ¥æé ãã¹ã¯ãªããåããŠä¿åããŠããããšãã§ããŸãã
bioruby> script
-- 8< -- 8< -- 8< -- Script -- 8< -- 8< -- 8< --
bioruby> seq = getseq("gbphg.seq")
bioruby> p seq
bioruby> p seq.translate
bioruby> script
-- >8 -- >8 -- >8 -- Script -- >8 -- >8 -- >8 --
Saving script (script.rb) ... done
çæããã script.rb ã¯ä»¥äžã®ããã«ãªããŸãã
#!/usr/bin/env bioruby
seq = getseq("gbphg.seq")
p seq
p seq.translate
ãã®ã¹ã¯ãªãã㯠bioruby ã³ãã³ãã§å®è¡ããããšãã§ããŸãã
% bioruby script.rb
=== ç°¡æã·ã§ã«æ©èœ
--- cd(dir)
ã«ã¬ã³ããã£ã¬ã¯ããªã倿ŽããŸãã
bioruby> cd "/tmp"
"/tmp"
ããŒã ãã£ã¬ã¯ããªã«æ»ãã«ã¯åŒæ°ãã€ããã« cd ãå®è¡ããŸãã
bioruby> cd
"/home/k"
--- pwd
ã«ã¬ã³ããã£ã¬ã¯ããªã衚瀺ããŸãã
bioruby> pwd
"/home/k"
--- dir
ã«ã¬ã³ããã£ã¬ã¯ããªã®ãã¡ã€ã«ãäžèŠ§è¡šç€ºããŸãã
bioruby> dir
UGO Date Byte File
------ ---------------------------- ----------- ------------
40700 Tue Dec 06 07:07:35 JST 2005 1768 "Desktop"
40755 Tue Nov 29 16:55:20 JST 2005 2176 "bin"
100644 Sat Oct 15 03:01:00 JST 2005 42599518 "gbphg.seq"
(ç¥)
bioruby> dir "gbphg.seq"
UGO Date Byte File
------ ---------------------------- ----------- ------------
100644 Sat Oct 15 03:01:00 JST 2005 42599518 "gbphg.seq"
--- head(file, lines = 10)
ããã¹ããã¡ã€ã«ããªããžã§ã¯ãã®å
é 10 è¡ã衚瀺ããŸãã
bioruby> head "gbphg.seq"
GBPHG.SEQ Genetic Sequence Data Bank
October 15 2005
NCBI-GenBank Flat File Release 150.0
Phage Sequences
2713 loci, 16892737 bases, from 2713 reported sequences
衚瀺ããè¡æ°ãæå®ããããšãã§ããŸãã
bioruby> head "gbphg.seq", 2
GBPHG.SEQ Genetic Sequence Data Bank
October 15 2005
ããã¹ãã®å
¥ã£ãŠãã倿°ã®å
é ãèŠãããšãã§ããŸãã
bioruby> entry = getent("gbphg.seq")
bioruby> head entry, 2
GBPHG.SEQ Genetic Sequence Data Bank
October 15 2005
--- disp(obj)
ããã¹ããã¡ã€ã«ããªããžã§ã¯ãã®äžèº«ãããŒãžã£ãŒã§è¡šç€ºããŸãã
ããã§äœ¿çšããããŒãžã£ãŒã¯ pager ã³ãã³ãã§å€æŽããããšãã§ããŸãïŒåŸè¿°ïŒã
bioruby> disp "gbphg.seq"
bioruby> disp entry
bioruby> disp [1, 2, 3] * 4
=== 倿°
--- ls
ã»ãã·ã§ã³äžã«äœæãã倿°ïŒãªããžã§ã¯ãïŒã®äžèЧã衚瀺ããŸãã
bioruby> ls
["entry", "seq"]
bioruby> a = 123
["a", "entry", "seq"]
--- rm(symbol)
倿°ãæ¶å»ããŸãã
bioruby> rm "a"
bioruby> ls
["entry", "seq"]
--- savefile(filename, object)
倿°ã«ä¿åãããŠããå
容ãããã¹ããã¡ã€ã«ã«ä¿åããŸãã
bioruby> savefile "testfile.txt", entry
Saving data (testfile.txt) ... done
bioruby> disp "testfile.txt"
=== åçš®èšå®
æ°žç¶åã®ä»çµã¿ãšã㊠BioRuby ã·ã§ã«çµäºæã« session ãã£ã¬ã¯ããªå
ã«
ãã¹ããªããªããžã§ã¯ããå人ã®èšå®ãä¿åãããæ¬¡åèµ·åæã«èªåçã«
èªã¿èŸŒãŸããŸãã
--- config
BioRuby ã·ã§ã«ã®åçš®èšå®ã衚瀺ããŸãã
bioruby> config
message = "...BioRuby in the shell..."
marshal = [4, 8]
color = false
pager = nil
echo = false
echo 衚瀺ãããã©ãããåãæ¿ããŸããon ã®å Žåã¯ãputs ã p ãªã©ã
ã€ããªããŠãè©äŸ¡ããå€ãç»é¢ã«è¡šç€ºãããŸãã
irb ã³ãã³ãã®å Žåã¯åæèšå®ã on ã«ãªã£ãŠããŸãããbioruby ã³ãã³ãã§ã¯
é·ãé
åããšã³ããªãªã©é·å€§ãªæååãæ±ãããšãå€ããããåæèšå®ã§ã¯
off ã«ããŠããŸãã
bioruby> config :echo
Echo on
==> nil
bioruby> config :echo
Echo off
ã³ãã³è¡šãªã©ãå¯èœãªå Žåã«ã«ã©ãŒè¡šç€ºãããã©ãããåãæ¿ããŸãã
ã«ã©ãŒè¡šç€ºã®å Žåãããã³ããã«ãè²ãã€ããŸãã®ã§å€å¥ã§ããŸãã
bioruby> config :color
bioruby> codontable
(è²ä»ã)
å®è¡ãããã³ã«èšå®ãåãæ¿ãããŸãã
bioruby> config :color
bioruby> codontable
(è²ãªã)
BioRuby ã·ã§ã«èµ·åæã«è¡šç€ºãããã¹ãã©ãã·ã¥ã¡ãã»ãŒãžãéãæååã«
倿ŽããŸããäœã®è§£æãããžã§ã¯ãçšã®ãã£ã¬ã¯ããªããæå®ããŠããã®ã
ããã§ãããã
bioruby> config :message, "Kumamushi genome project"
K u m a m u s h i g e n o m e p r o j e c t
Version : BioRuby 0.8.0 / Ruby 1.8.4
ããã©ã«ãã®æååã«æ»ãã«ã¯ãåŒæ°ãªãã§å®è¡ããŸãã
bioruby> config :message
BioRuby ã·ã§ã«èµ·åæã«è¡šç€ºãããã¹ãã©ãã·ã¥ã¡ãã»âãžã
ã¢ãã¡ãŒã·ã§ã³è¡šç€ºãããã©ãããåãæ¿ããŸãã
ãã¡ããå®è¡ãããã³ã«èšå®ãåãæ¿ãããŸãã
bioruby> config :splash
Splash on
--- pager(command)
disp ã³ãã³ãã§å®éã«å©çšããããŒãžã£ãŒãåãæ¿ããŸãã
bioruby> pager "lv"
Pager is set to 'lv'
bioruby> pager "less -S"
Pager is set to 'less -S'
ããŒãžã£ãŒã䜿çšããªãèšå®ã«ããå Žåã¯åŒæ°ãªãã§å®è¡ããŸãã
bioruby> pager
Pager is set to 'off'
ããŒãžã£ãŒã off ã®æã«åŒæ°ãªãã§å®è¡ãããšç°å¢å€æ° PAGER ã®å€ãå©çšããŸãã
bioruby> pager
Pager is set to 'less'
=== éºäŒåã¢ã¹ããŒã¢ãŒã
--- doublehelix(sequence)
DNA é
åãã¢ã¹ããŒã¢ãŒãã§è¡šç€ºãããªãã±æ©èœããããŸãã
é©åœãªå¡©åºé
å seq ãäºéèºæã£ãœã衚瀺ããŠã¿ãŸãããã
bioruby> dna = getseq("atgc" * 10).randomize
bioruby> doublehelix dna
ta
t--a
a---t
a----t
a----t
t---a
g--c
cg
gc
a--t
g---c
c----g
c----g
(ç¥)
=== éºäŒå鳿¥œ
--- midifile(midifile, sequence)
DNA é
åã MIDI ãã¡ã€ã«ã«å€æãããªãã±æ©èœããããŸãã
é©åœãªå¡©åºé
å seq ã䜿ã£ãŠçæãã midifile.mid ã
MIDI ãã¬ã€ã€ãŒã§æŒå¥ããŠã¿ãŸãããã
bioruby> midifile("midifile.mid", seq)
Saving MIDI file (midifile.mid) ... done
以äžã§ BioRuby ã·ã§ã«ã®è§£èª¬ãçµããã以äžã§ã¯ BioRuby ã©ã€ãã©ãªèªäœã®
解説ãè¡ããŸãã
== å¡©åºã»ã¢ããé
žé
åãåŠçãã (Bio::Sequence ã¯ã©ã¹)
Bio::Sequence ã¯ã©ã¹ã¯ãé
åã«å¯Ÿããæ§ã
ãªæäœãè¡ãããšãã§ããŸãã
ç°¡åãªäŸãšããŠãçãå¡©åºé
å atgcatgcaaaa ã䜿ã£ãŠãçžè£é
åãžã®å€æã
éšåé
åã®åãåºããå¡©åºçµæã®èšç®ãã¢ããé
žãžã®ç¿»èš³ãååéèšç®ãªã©ã
è¡ãªã£ãŠã¿ãŸããã¢ããé
žãžã®ç¿»èš³ã§ã¯ãå¿
èŠã«å¿ããŠäœå¡©åºç®ãã翻蚳ãé
å§ããããã¬ãŒã ãæå®ããããcodontable.rb ã§å®çŸ©ãããŠããã³ãã³ããŒ
ãã«ã®äžãã䜿çšãããã®ãæå®ãããããäºãã§ããŸãïŒã³ãã³ããŒãã«ã®
çªå·ã¯ ((<URL:http://www.ncbi.nlm.nih.gov/Taxonomy/Utils/wprintgc.cgi>))
ãåç
§ïŒã
#!/usr/bin/env ruby
require 'bio'
seq = Bio::Sequence::NA.new("atgcatgcaaaa")
puts seq # å
ã®é
å
puts seq.complement # çžè£é
å (Bio::Sequence::NA)
puts seq.subseq(3,8) # 3 å¡©åºç®ãã 8 å¡©åºç®ãŸã§
p seq.gc_percent # GC å¡©åºã®å²å (Integer)
p seq.composition # å
šå¡©åºçµæ (Hash)
puts seq.translate # 翻蚳é
å (Bio::Sequence::AA)
puts seq.translate(2) # ïŒæåç®ããç¿»èš³ïŒæ®éã¯ïŒããïŒ
puts seq.translate(1,9) # ïŒçªã®ã³ãã³ããŒãã«ã䜿çš
p seq.translate.codes # ã¢ããé
žãïŒæåã³ãŒãã§è¡šç€º (Array)
p seq.translate.names # ã¢ããé
žãååã§è¡šç€º (Array)
p seq.translate.composition # ã¢ããé
žçµæ (Hash)
p seq.translate.molecular_weight # ååéãèšç® (Float)
puts seq.complement.translate # çžè£é
åã®ç¿»èš³
print, puts, p ã¯å
容ãç»é¢ã«è¡šç€ºããããã® Ruby æšæºã¡ãœããã§ãã
åºæ¬ãšãªã print ãšæ¯ã¹ãŠãputs ã¯æ¹è¡ãèªåã§ã€ããŠãããã
p ã¯æååãæ°å以å€ã®ãªããžã§ã¯ãã人éãèŠãããããã«è¡šç€ºããŠãããã
ãšããç¹åŸŽããããŸãã®ã§é©å®äœ¿ãåããŸããããã«ã
require 'pp'
ãšããã°äœ¿ããããã«ãªã pp ã¡ãœããã¯ãp ããã衚瀺ãèŠããããªããŸãã
å¡©åºé
å㯠Bio::Sequence::NA ã¯ã©ã¹ã®ãã¢ããé
žé
å㯠Bio::Sequence::AA
ã¯ã©ã¹ã®ãªããžã§ã¯ãã«ãªããŸãããããã Bio::Sequence ã¯ã©ã¹ãç¶æ¿ã
ãŠãããããå€ãã®ã¡ãœããã¯å
±éã§ãã
ããã« Bio::Sequence::NA, AA ã¯ã©ã¹ã¯ Ruby ã® String ã¯ã©ã¹ãç¶æ¿ããŠããã®ã§
String ã¯ã©ã¹ãæã€ã¡ãœããã䜿ãäºãã§ããŸããäŸãã°éšåé
åãåãåºãã«ã¯
Bio::Sequence ã¯ã©ã¹ã® subseq(from,to) ã¡ãœããã®ä»ã«ãString ã¯ã©ã¹ã®
[] ã¡ãœããã䜿ãããšãã§ããŸãã
Ruby ã®æåå㯠1 æåç®ã 0 çªç®ãšããŠæ°ããç¹ã«ã¯æ³šæãå¿
èŠã§ããããšãã°ã
puts seq.subseq(1, 3)
puts seq[0, 3]
ã¯ã©ã¡ãã seq ã®æåã®ïŒæå atg ã衚瀺ããŸãã
ãã®ããã«ãString ã®ã¡ãœããã䜿ãå Žåã¯ãçç©åŠã§æ®é䜿çšããã 1 æåç®ã
1 çªç®ãšããŠæ°ããæ°åãã㯠1 ãåŒãå¿
èŠããããŸãïŒsubseq ã¡ãœããã¯
ãããå
éšã§ãã£ãŠããŸãããŸããfrom, to ã®ã©ã¡ããã§ã 0 以äžã®å Žåã¯
äŸå€ãçºçããããã«ãªã£ãŠããŸãïŒã
ãããŸã§ã®åŠçã BioRuby ã·ã§ã«ã§è©Šããšä»¥äžã®ããã«ãªããŸãã
# 次ã®è¡ã¯ seq = seq("atgcatgcaaaa") ã§ããã
bioruby> seq = Bio::Sequence::NA.new("atgcatgcaaaa")
# çæããé
åã衚瀺
bioruby> puts seq
atgcatgcaaaa
# çžè£é
åã衚瀺
bioruby> puts seq.complement
ttttgcatgcat
# éšåé
åã衚瀺ïŒïŒå¡©åºç®ããïŒå¡©åºç®ãŸã§ïŒ
bioruby> puts seq.subseq(3,8)
gcatgc
# é
åã® GC% ã衚瀺
bioruby> p seq.gc_percent
33
# é
åã®çµæã衚瀺
bioruby> p seq.composition
{"a"=>6, "c"=>2, "g"=>2, "t"=>2}
# ã¢ããé
žé
åãžã®ç¿»èš³
bioruby> puts seq.translate
MHAK
# ïŒå¡©åºãéå§å¡©åºãšããŠç¿»èš³
bioruby> puts seq.translate(2)
CMQ
# ïŒçªã®ã³ãã³ããŒãã«ã䜿çšããŠç¿»èš³
bioruby> puts seq.translate(1,9)
MHAN
# 翻蚳ãããã¢ããé
žé
åãïŒæåã³ãŒãã§è¡šç€º
bioruby> p seq.translate.codes
["Met", "His", "Ala", "Lys"]
# 翻蚳ãããã¢ããé
žé
åãã¢ããé
žã®ååã§è¡šç€º
bioruby> p seq.translate.names
["methionine", "histidine", "alanine", "lysine"]
# 翻蚳ãããã¢ããé
žé
åã®çµæã衚瀺
bioruby> p seq.translate.composition
{"K"=>1, "A"=>1, "M"=>1, "H"=>1}
# 翻蚳ãããã¢ããé
žé
åã®ååéã衚瀺
bioruby> p seq.translate.molecular_weight
485.605
# çžè£é
åã翻蚳
bioruby> puts seq.complement.translate
FCMH
# éšåé
åïŒïŒå¡©åºç®ããïŒå¡©åºç®ãŸã§ïŒ
bioruby> puts seq.subseq(1, 3)
atg
# éšåé
åïŒïŒå¡©åºç®ããïŒå¡©åºç®ãŸã§ïŒ
bioruby> puts seq[0, 3]
atg
window_search(window_size, step_size) ã¡ãœããã䜿ããšãé
åã«å¯ŸããŠãŠã£
ã³ããŠãããããªããããããã®éšåé
åã«å¯ŸããåŠçãè¡ãããšãã§ããŸãã
Ruby ã®ç¹é·ã®ã²ãšã€ã§ããããããã¯ãã«ãã£ãŠããããããã«å¯ŸããåŠçãã
ç°¡æœãã€æçã«æžãããšãå¯èœã§ãã以äžã®äŸã§ã¯ãsubseq ãšãã倿°ã«ãããã
éšåé
åã代å
¥ããªãããããã¯ãç¹°ãè¿ãå®è¡ããããšã«ãªããŸãã
* 100 å¡©åºããšã«ïŒ1å¡©åºãã€ããããªããïŒå¹³å GC% ãèšç®ããŠè¡šç€ºãã
seq.window_search(100) do |subseq|
puts subseq.gc_percent
end
ãããã¯ã®äžã§åãåãéšåé
åããå
ãšåã Bio::Sequence::NA ãŸãã¯
Bio::Sequence::AA ã¯ã©ã¹ã®ãªããžã§ã¯ããªã®ã§ãé
åã¯ã©ã¹ã®æã€å
šãŠã®ã¡
ãœãããå®è¡ããããšãã§ããŸãã
ãŸããïŒçªç®ã®åŒæ°ã«ç§»åå¹
ãæå®ããããšãåºæ¥ãããã«ãªã£ãŠããã®ã§ã
* ã³ãã³åäœã§ããããªãã 15 å¡©åºã 5 æ®åºã®ããããã«ç¿»èš³ããŠè¡šç€ºãã
seq.window_search(15, 3) do |subseq|
puts subseq.translate
end
ãšãã£ãããšãã§ããŸããããã«ç§»åå¹
ã«æºããªãå³ç«¯ã®éšåé
åãã¡ãœãã
èªäœã®è¿ãå€ãšããŠæ»ãããã«ãªã£ãŠããã®ã§ã
* ã²ãã é
åã 10000bp ããšã«ããåãã«ã㊠FASTA ãã©ãŒãããã«æŽåœ¢ã
ãã®ãšãæ«ç«¯ 1000bp ã¯ãªãŒããŒã©ããããã10000bp ã«æºããªã 3' 端ã¯
å¥éåãåã£ãŠè¡šç€ºãã
i = 1
remainder = seq.window_search(10000, 9000) do |subseq|
puts subseq.to_fasta("segment #{i}", 60)
i += 1
end
puts remainder.to_fasta("segment #{i}", 60)
ã®ãããªäºããããšç°¡åã«ã§ããŸãã
ãŠã£ã³ããŠã®å¹
ãšç§»åå¹
ãåãã«ãããšãªãŒããŒã©ããããªããŠã£ã³ããŠãµãŒ
ããã§ããã®ã§ã
* ã³ãã³é »åºŠãæ°ãã
codon_usage = Hash.new(0)
seq.window_search(3, 3) do |subseq|
codon_usage[subseq] += 1
end
* 10 æ®åºãã€ååéãèšç®
seq.window_search(10, 10) do |subseq|
puts subseq.molecular_weight
end
ãšãã£ãå¿çšãèããããŸãã
å®éã«ã¯ Bio::Sequence::NA ãªããžã§ã¯ãã¯ãã¡ã€ã«ããèªã¿èŸŒãã æååã
ãçæããããããŒã¿ããŒã¹ããååŸãããã®ã䜿ã£ããããŸããããšãã°ã
#!/usr/bin/env ruby
require 'bio'
input_seq = ARGF.read # åŒæ°ã§äžãããããã¡ã€ã«ã®å
šè¡ãèªã¿èŸŒã
my_naseq = Bio::Sequence::NA.new(input_seq)
my_aaseq = my_naseq.translate
puts my_aaseq
ãã®ããã°ã©ã ã na2aa.rb ãšããŠã以äžã®å¡©åºé
å
gtggcgatctttccgaaagcgatgactggagcgaagaaccaaagcagtgacatttgtctg
atgccgcacgtaggcctgataagacgcggacagcgtcgcatcaggcatcttgtgcaaatg
tcggatgcggcgtga
ãæžãããã¡ã€ã« my_naseq.txt ãèªã¿èŸŒãã§ç¿»èš³ãããš
% ./na2aa.rb my_naseq.txt
VAIFPKAMTGAKNQSSDICLMPHVGLIRRGQRRIRHLVQMSDAA*
ã®ããã«ãªããŸããã¡ãªã¿ã«ããã®ãããã®äŸãªãçããããšïŒè¡ã§æžããŸãã
% ruby -r bio -e 'p Bio::Sequence::NA.new($<.read).translate' my_naseq.txt
ãããããã¡ãã¡ãã¡ã€ã«ãäœãã®ãé¢åãªã®ã§ã次ã¯ããŒã¿ããŒã¹ããå¿
èŠãª
æ
å ±ãååŸããŠã¿ãŸãã
== GenBank ã®ããŒã¹ (Bio::GenBank ã¯ã©ã¹)
GenBank 圢åŒã®ãã¡ã€ã«ãçšæããŠãã ããïŒæå
ã«ãªãå Žåã¯ã
ftp://ftp.ncbi.nih.gov/genbank/ ãã .seq ãã¡ã€ã«ãããŠã³ããŒãããŸãïŒã
% wget ftp://ftp.hgc.jp/pub/mirror/ncbi/genbank/gbphg.seq.gz
% gunzip gbphg.seq.gz
ãŸãã¯ãåãšã³ããªãã ID ãšèª¬ææãé
åãåãåºã㊠FASTA 圢åŒã«å€æããŠ
ã¿ãŸãããã
Bio::GenBank::DELIMITER 㯠GenBank ã¯ã©ã¹ã§å®çŸ©ãããŠãã宿°ã§ã
ããŒã¿ããŒã¹ããšã«ç°ãªããšã³ããªã®åºåãæåïŒããšãã° GenBank ã®å Žå㯠//ïŒ
ãèŠããŠããªããŠãè¯ãããã«ãªã£ãŠããŸãã
#!/usr/bin/env ruby
require 'bio'
while entry = gets(Bio::GenBank::DELIMITER)
gb = Bio::GenBank.new(entry) # GenBank ãªããžã§ã¯ã
print ">#{gb.accession} " # ACCESSION çªå·
puts gb.definition # DEFINITION è¡
puts gb.naseq # å¡©åºé
åïŒSequence::NA ãªããžã§ã¯ãïŒ
end
ãããããã®æžãæ¹ã§ã¯ GenBank ãã¡ã€ã«ã®ããŒã¿æ§é ã«äŸåããŠããŸãã
ãã¡ã€ã«ããã®ããŒã¿å
¥åãæ±ãã¯ã©ã¹ Bio::FlatFile ã䜿çšããããšã§ã
以äžã®ããã«åºåãæåãªã©ãæ°ã«ããæžãããšãã§ããŸãã
#!/usr/bin/env ruby
require 'bio'
ff = Bio::FlatFile.new(Bio::GenBank, ARGF)
ff.each_entry do |gb|
definition = "#{gb.accession} #{gb.definition}"
puts gb.naseq.to_fasta(definition, 60)
end
圢åŒã®éãããŒã¿ãããšãã°FASTAãã©ãŒãããã®ãã¡ã€ã«ãèªã¿èŸŒããšãã§ãã
#!/usr/bin/env ruby
require 'bio'
ff = Bio::FlatFile.new(Bio::FastaFormat, ARGF)
ff.each_entry do |f|
puts "definition : " + f.definition
puts "nalen : " + f.nalen.to_s
puts "naseq : " + f.naseq
end
ã®ããã«ãåããããªæžãæ¹ã§æžãŸããããŸãã
ããã«ãå Bio::DB ã¯ã©ã¹ã® open ã¡ãœããã§åæ§ã®ããšãã§ããŸããããšãã°ã
#!/usr/bin/env ruby
require 'bio'
ff = Bio::GenBank.open("gbvrl1.seq")
ff.each_entry do |gb|
definition = "#{gb.accession} #{gb.definition}"
puts gb.naseq.to_fasta(definition, 60)
end
ãªã©ãšæžãããšãã§ããŸãïŒãã ãããã®æžãæ¹ã¯ããŸã䜿ãããŠããŸãã)ã
次ã«ãGenBank ã®è€é㪠FEATURES ã®äžãããŒã¹ããŠå¿
èŠãªæ
å ±ãåãåºããŸãã
ãŸã㯠/tranlation="ã¢ããé
žé
å" ãšãã Qualifier ãããå Žåã ã
ã¢ããé
žé
åãæœåºããŠè¡šç€ºããŠã¿ãŸãã
#!/usr/bin/env ruby
require 'bio'
ff = Bio::FlatFile.new(Bio::GenBank, ARGF)
# GenBank ã®ïŒãšã³ããªããšã«
ff.each_entry do |gb|
# FEATURES ã®èŠçŽ ãäžã€ãã€åŠç
gb.features.each do |feature|
# Feature ã«å«ãŸãã Qualifier ãå
šãŠããã·ã¥ã«å€æ
hash = feature.to_hash
# Qualifier ã« translation ãããå Žåã ã
if hash['translation']
# ãšã³ããªã®ã¢ã¯ã»ãã·ã§ã³çªå·ãšç¿»èš³é
åã衚瀺
puts ">#{gb.accession}
puts hash['translation']
end
end
end
ããã«ãFeature ã®ããžã·ã§ã³ã«æžãããŠããæ
å ±ãããšã³ããªã®å¡©åºé
åã
ã¹ãã©ã€ã·ã³ã°ããããã翻蚳ãããã®ãš /translation= ã«æžãããŠããé
åã
äž¡æ¹è¡šç€ºããŠæ¯ã¹ãŠã¿ãŸãããã
#!/usr/bin/env ruby
require 'bio'
ff = Bio::FlatFile.new(Bio::GenBank, ARGF)
# GenBank ã®ïŒãšã³ããªããšã«
ff.each_entry do |gb|
# ACCESSION çªå·ãšçç©çš®åã衚瀺
puts "### #{gb.accession} - #{gb.organism}"
# FEATURES ã®èŠçŽ ãäžã€ãã€åŠç
gb.features.each do |feature|
# Feature ã® position (join ...ãªã©) ãåãåºã
position = feature.position
# Feature ã«å«ãŸãã Qualifier ãå
šãŠããã·ã¥ã«å€æ
hash = feature.to_hash
# /translation= ããªããã°ã¹ããã
next unless hash['translation']
# /gene=, /product= ãªã©ã® Qualifier ããéºäŒååãªã©ã®æ
å ±ãéãã
gene_info = [
hash['gene'], hash['product'], hash['note'], hash['function']
].compact.join(', ')
puts "## #{gene_info}"
# å¡©åºé
åïŒposition ã®æ
å ±ã«ãã£ãŠã¹ãã©ã€ã·ã³ã°ïŒ
puts ">NA splicing('#{position}')"
puts gb.naseq.splicing(position)
# ã¢ããé
žé
åïŒã¹ãã©ã€ã·ã³ã°ããå¡©åºé
åãã翻蚳ïŒ
puts ">AA translated by splicing('#{position}').translate"
puts gb.naseq.splicing(position).translate
# ã¢ããé
žé
åïŒ/translation= ã«æžãããŠããã®ãã®ïŒ
puts ">AA original translation"
puts hash['translation']
end
end
ããã䜿çšãããŠããã³ãã³ããŒãã«ãããã©ã«ã (universal) ãšéã£ããã
æåã®ã³ãã³ã "atg" 以å€ã ã£ãããã»ã¬ãã·ã¹ãã€ã³ãå«ãŸããŠãããã
ããã㯠BioRuby ã«ãã°ãããã°ãäžã®äŸã§è¡šç€ºãããïŒã€ã®ã¢ããé
žé
åã¯
ç°ãªãäºã«ãªããŸãã
ãã®äŸã§äœ¿çšãããŠãã Bio::Sequence#splicing ã¡ãœããã¯ãGenBank, EMBL,
DDBJ ãã©ãŒãããã§äœ¿ãããŠãã Location ã®è¡šèšãå
ã«ãå¡©åºé
åãã
éšåé
åãåãåºã匷åãªã¡ãœããã§ãã
ãã® splicing ã¡ãœããã®åŒæ°ã«ã¯ GenBank çã® Location ã®æåå以å€ã«
BioRuby ã® Bio::Locations ãªããžã§ã¯ããæž¡ãããšãå¯èœã§ããã
éåžžã¯èŠæ
£ããŠãã Location æååã®æ¹ãåãããããããç¥ããŸããã
Location æååã®ãã©ãŒãããã Bio::Locations ã«ã€ããŠè©³ããç¥ãããå Žåã¯
BioRuby ã® bio/location.rb ãèŠãŠãã ããã
* GenBank 圢åŒã®ããŒã¿ã® Feature ã§äœ¿ãããŠãã Location æååã®äŸ
naseq.splicing('join(2035..2050,complement(1775..1818),13..345')
* ããããã Locations ãªããžã§ã¯ãã«å€æããŠããæž¡ããŠããã
locs = Bio::Locations.new('join((8298.8300)..10206,1..855)')
naseq.splicing(locs)
ã¡ãªã¿ã«ãã¢ããé
žé
å (Bio::Sequence::AA) ã«ã€ããŠã splicing ã¡ãœãã
ã䜿çšããŠéšåé
åãåãåºãããšãå¯èœã§ãã
* ã¢ããé
žé
åã®éšåé
åãåãåºãïŒã·ã°ãã«ãããããªã©ïŒ
aaseq.splicing('21..119')
=== GenBank 以å€ã®ããŒã¿ããŒã¹
BioRuby ã§ã¯ãGenBank 以å€ã®ããŒã¿ããŒã¹ã«ã€ããŠãåºæ¬çãªæ±ãæ¹ã¯åãã§ã
ããŒã¿ããŒã¹ã®ïŒãšã³ããªåã®æååã察å¿ããããŒã¿ããŒã¹ã®ã¯ã©ã¹ã«æž¡ãã°ã
ããŒã¹ãããçµæããªããžã§ã¯ãã«ãªã£ãŠè¿ã£ãŠããŸãã
ããŒã¿ããŒã¹ã®ãã©ãããã¡ã€ã«ããïŒãšã³ããªãã€åãåºããŠããŒã¹ããã
ãªããžã§ã¯ããåãåºãã«ã¯ãå
ã«ãåºãŠãã Bio::FlatFile ã䜿ããŸãã
Bio::FlatFile.new ã®åŒæ°ã«ã¯ããŒã¿ããŒã¹ã«å¯Ÿå¿ãã BioRuby ã§ã®ã¯ã©ã¹
å (Bio::GenBank ã Bio::KEGG::GENES ãªã©) ãæå®ããŸãã
ff = Bio::FlatFile.new(Bio::ããŒã¿ããŒã¹ã¯ã©ã¹å, ARGF)
ãããããã°ãããããšã«ãå®ã¯ FlatFile ã¯ã©ã¹ã¯ããŒã¿ããŒã¹ã®èªåèªèã
ã§ããŸãã®ã§ã
ff = Bio::FlatFile.auto(ARGF)
ã䜿ãã®ãäžçªç°¡åã§ãã
#!/usr/bin/env ruby
require 'bio'
ff = Bio::FlatFile.auto(ARGF)
ff.each_entry do |entry|
p entry.entry_id # ãšã³ããªã® ID
p entry.definition # ãšã³ããªã®èª¬ææ
p entry.seq # é
åããŒã¿ããŒã¹ã®å Žå
end
ff.close
ããã«ãéããããŒã¿ããŒã¹ã®éãå¿ãããªããããã«ã¯ Ruby ã®ãããã¯ã
掻çšããŠä»¥äžã®ããã«æžãã®ãããã§ãããã
#!/usr/bin/env ruby
require 'bio'
Bio::FlatFile.auto(ARGF) do |ff|
ff.each_entry do |entry|
p entry.entry_id # ãšã³ããªã® ID
p entry.definition # ãšã³ããªã®èª¬ææ
p entry.seq # é
åããŒã¿ããŒã¹ã®å Žå
end
end
ããŒã¹ããããªããžã§ã¯ãããããšã³ããªäžã®ããããã®éšåãåãåºãããã®
ã¡ãœããã¯ããŒã¿ããŒã¹æ¯ã«ç°ãªããŸããããããé
ç®ã«ã€ããŠã¯
* entry_id ã¡ãœãã â ãšã³ããªã® ID çªå·ãè¿ã
* definition ã¡ãœãã â ãšã³ããªã®å®çŸ©è¡ãè¿ã
* reference ã¡ãœãã â ãªãã¡ã¬ã³ã¹ãªããžã§ã¯ããè¿ã
* organism ã¡ãœãã â çç©çš®å
* seq ã naseq ã aaseq ã¡ãœãã â 察å¿ããé
åãªããžã§ã¯ããè¿ã
ãªã©ã®ããã«å
±éåããããšããŠããŸãããå
šãŠã®ã¡ãœãããå®è£
ãããŠããã
ãã§ã¯ãããŸããïŒå
±éåã®æé㯠bio/db.rb åç
§ïŒããŸãã现ããéšåã¯å
ããŒã¿ããŒã¹ããŒã¶æ¯ã«ç°ãªãã®ã§ãããããã®ããã¥ã¡ã³ãã«åŸããŸãã
ååãšããŠãã¡ãœããåãè€æ°åœ¢ã®å Žåã¯ããªããžã§ã¯ããé
åãšããŠè¿ããŸãã
ããšãã° references ã¡ãœãããæã€ã¯ã©ã¹ã¯è€æ°ã® Bio::Reference ãªããžã§
ã¯ãã Array ã«ããŠè¿ããŸãããå¥ã®ã¯ã©ã¹ã§ã¯åæ°åœ¢ã® reference ã¡ãœãã
ãããªããïŒã€ã® Bio::Reference ãªããžã§ã¯ãã ããè¿ãããšãã£ãæãã§ãã
== PDB ã®ããŒã¹ (Bio::PDB ã¯ã©ã¹)
Bio::PDB ã¯ãPDB 圢åŒãèªã¿èŸŒãããã®ã¯ã©ã¹ã§ããPDB ããŒã¿ããŒã¹ã¯
PDB, mmCIF, XML (PDBML) ã®ïŒçš®é¡ã®ãã©ãŒãããã§æäŸãããŠããŸããã
ãããã®ãã¡ BioRuby ã§å¯Ÿå¿ããŠããã®ã¯ PDB ãã©ãŒãããã§ãã
PDB ãã©ãŒãããã®ä»æ§ã¯ã以äžã® Protein Data Bank Contents Guide ã
åç
§ããŠãã ããã
* ((<URL:http://www.rcsb.org/pdb/file_formats/pdb/pdbguide2.2/guide2.2_frame.html>))
=== PDB ããŒã¿ã®èªã¿èŸŒã¿
PDB ã®ïŒãšã³ããªã 1bl8.pdb ãšãããã¡ã€ã«ã«æ ŒçŽãããŠããå Žåã¯ã
Ruby ã®ãã¡ã€ã«èªã¿èŸŒã¿æ©èœã䜿ã£ãŠ
entry = File.read("1bl8.pdb")
ã®ããã«ããããšã§ããšã³ããªã®å
容ãæååãšã㊠entry ãšãã倿°ã«
代å
¥ããããšãã§ããŸãããšã³ããªã®å
容ãããŒã¹ããã«ã¯
pdb = Bio::PDB.new(entry)
ãšããŸããããã§ãšã³ããªã Bio::PDB ãªããžã§ã¯ããšãªããä»»æã®ããŒã¿ã
åãåºããããã«ãªããŸãã
PDB ãã©ãŒããã㯠Bio::FlatFile ã«ããèªåèªèãå¯èœã§ãããçŸåšã¯
ïŒãã¡ã€ã«ã«è€æ°ãšã³ããªãå«ãå Žåã«ã¯å¯Ÿå¿ããŠããŸããã
Bio::FlatFile ã䜿ã£ãŠïŒãšã³ããªåã ãèªã¿èŸŒãã«ã¯ã
pdb = Bio::FlatFile.auto("1bl8.pdb") { |ff| ff.next_entry }
ãšããŸããã©ã¡ãã®æ¹æ³ã§ã倿° pdb ã«ã¯åãçµæãåŸãããŸãã
=== ãªããžã§ã¯ãã®éå±€æ§é
å PDB ãšã³ããªã¯ãè±æ°åïŒæåãããªã ID ãä»ããããŠããŸãã
Bio::PDB ãªããžã§ã¯ããã ID ãåãªåºãã«ã¯ entry_id ã¡ãœããã䜿ããŸãã
p pdb.entry_id # => "1BL8"
ãšã³ããªã®æŠèŠã«é¢ããæ
å ±ã察å¿ããã¡ãœããã§åãåºãããšãã§ããŸãã
p pdb.definition # => "POTASSIUM CHANNEL (KCSA) FROM STREPTOMYCES LIVIDANS"
p pdb.keywords # => ["POTASSIUM CHANNEL", "INTEGRAL MEMBRANE PROTEIN"]
ä»ã«ãç»é²è
ãæç®ãå®é𿹿³ãªã©ã®æ
å ±ãååŸã§ããŸãïŒãããã
authors, jrnl, method ã¡ãœããïŒã
PDB ããŒã¿ã¯ãåºæ¬çã«ã¯ïŒè¡ãïŒã€ã®ã¬ã³ãŒãã圢æããŠããŸãã
ïŒè¡ã«å
¥ããããªãããŒã¿ãè€æ°è¡ã«æ ŒçŽãã continuation ãšãã
ä»çµã¿ãçšæãããŠããŸãããåºæ¬ã¯ïŒè¡ïŒã¬ã³ãŒãã§ãã
åè¡ã®å
é ïŒæåããã®è¡ã®ããŒã¿ã®çš®é¡ã瀺ãååïŒã¬ã³ãŒãïŒã«ãªããŸãã
BioRuby ã§ã¯ãHEADER ã¬ã³ãŒãã«å¯ŸããŠã¯ Bio::PDB::Record::HEADER ã¯ã©ã¹ã
TITLE ã¬ã³ãŒãã«å¯ŸããŠã¯ Bio::PDB::Record::TITLE ã¯ã©ã¹ããšããããã«
åºæ¬çã«ã¯åã¬ã³ãŒãã«å¯Ÿå¿ããã¯ã©ã¹ãïŒã€çšæããŠããŸãã
ãã ããREMARK ãš JRNL ã¬ã³ãŒãã«é¢ããŠã¯ãããããè€æ°ã®ãã©ãŒãããã
ååšãããããè€æ°ã®ã¯ã©ã¹ãçšæããŠããŸãã
åã¬ã³ãŒãã«ã¢ã¯ã»ã¹ãããã£ãšãåçŽãªæ¹æ³ã¯ record ã¡ãœããã§ãã
pdb.record("HELIX")
ã®ããã«ãããšããã® PDB ãšã³ããªã«å«ãŸããå
šãŠã® HELIX ã¬ã³ãŒãã
Bio::PDB::Record::HELIX ã¯ã©ã¹ã®ãªããžã§ã¯ãã®é
åãšããŠååŸã§ããŸãã
ãã®ããšããµãŸãã以äžã§ã¯ãPDB ãšã³ããªã®ã¡ã€ã³ãªå
容ã§ããç«äœæ§é ã«
é¢ããããŒã¿æ§é ã®æ±ãæ¹ãèŠãŠãããŸãã
==== åå: Bio::PDB::Record::ATOM, Bio::PDB::Record::HETATM ã¯ã©ã¹
PDB ãšã³ããªã¯ãã¿ã³ãã¯è³ªãæ žé
žïŒDNA,RNAïŒããã®ä»ã®ååã®ç«äœæ§é ã
å
·äœçã«ã¯ååã®ïŒæ¬¡å
座æšãå«ãã§ããŸãã
ã¿ã³ãã¯è³ªãŸãã¯æ žé
žã®ååã®åº§æšã¯ãATOM ã¬ã³ãŒãã«æ ŒçŽãããŠããŸãã
察å¿ããã¯ã©ã¹ã¯ãBio::PDB::Record::ATOM ã¯ã©ã¹ã§ãã
ã¿ã³ãã¯è³ªã»æ žé
žä»¥å€ã®ååã®åº§æšã¯ãHETATM ã¬ã³ãŒãã«æ ŒçŽãããŠããŸãã
察å¿ããã¯ã©ã¹ã¯ãBio::PDB::Record::HETATM ã¯ã©ã¹ã§ãã
HETATMãã¯ã©ã¹ã¯ ATOM ã¯ã©ã¹ãç¶æ¿ããŠãããããATOM ãš HETATM ã®
ã¡ãœããã®äœ¿ãæ¹ã¯ãŸã£ããåãã§ãã
==== ã¢ããé
žæ®åºïŒãŸãã¯å¡©åºïŒ: Bio::PDB::Residue ã¯ã©ã¹
ïŒã¢ããé
žãŸãã¯ïŒå¡©åºåäœã§ååããŸãšããã®ã Bio::PDB::Residue ã§ãã
Bio::PDB::Residue ãªããžã§ã¯ãã¯ãïŒå以äžã® Bio::PDB::Record::ATOM
ãªããžã§ã¯ããå«ã¿ãŸãã
==== ååç©: Bio::PDB::Heterogen ã¯ã©ã¹
ã¿ã³ãã¯è³ªã»æ žé
žä»¥å€ã®ååã®ååã¯ãåºæ¬çã«ã¯åååäœã§
Bio::PDB::Heterogen ã«ãŸãšããããŠããŸãã
Bio::PDB::Heterogen ãªããžã§ã¯ãã¯ãïŒå以äžã®
Bio::PDB::Record::HETATM ãªããžã§ã¯ããå«ã¿ãŸãã
==== éïŒãã§ã€ã³ïŒ: Bio::PDB::Chain ã¯ã©ã¹
Bio::PDB::Chain ã¯ãè€æ°ã® Bio::PDB::Residue ãªããžã§ã¯ããããªã
ïŒåã®ã¿ã³ãã¯è³ªãŸãã¯æ žé
žãšãè€æ°ã® Bio::PDB::Heterogen ãªããžã§ã¯ã
ãããªãïŒå以äžã®ãã以å€ã®ååãæ ŒçŽããããŒã¿æ§é ã§ãã
ãªãã倧åã®å Žåã¯ãã¿ã³ãã¯è³ªã»æ žé
žïŒBio::PDB::ResidueïŒãã
ãã以å€ã®ååïŒBio::PDB::HeterogenïŒã®ã©ã¡ããäžçš®é¡ããæã¡ãŸããã
Chain ãã²ãšã€ããå«ãŸãªã PDB ãšã³ããªã§ã¯äž¡æ¹æã€å Žåãããããã§ãã
å Chain ã«ã¯ãè±æ°åïŒæåã® ID ãä»ããŠããŸãïŒChain ãã²ãšã€ãã
å«ãŸãªã PDB ãšã³ããªã®å Žåã¯ç©ºçœæåã®ãšãããããŸãïŒã
==== ã¢ãã«: Bio::PDB::Model
ïŒå以äžã® Bio::PDB::Chain ãéãŸã£ããã®ã Bio::PDB::Model ã§ãã
ç·çµæ¶æ§é ã®å ŽåãModel ã¯éåžžïŒåã ãã§ãããNMR æ§é ã®å Žåã
è€æ°ã® Model ãååšããããšããããŸãã
è€æ°ã® Model ãååšããå Žåãå Model ã«ã¯ã·ãªã¢ã«çªå·ãä»ããŸãã
ãããŠãïŒå以äžã® Model ãéãŸã£ããã®ããBio::PDB ãªããžã§ã¯ãã«ãªããŸãã
=== ååã«ã¢ã¯ã»ã¹ããã¡ãœãã
Bio::PDB#each_atom ã¯å
šãŠã® ATOM ãé çªã«ïŒåãã€èŸ¿ãã€ãã¬ãŒã¿ã§ãã
pdb.each_atom do |atom|
p atom.xyz
end
ãã® each_atom ã¡ãœãã㯠Model, Chain, Residue ãªããžã§ã¯ãã«å¯ŸããŠã
䜿çšããããšãã§ããããããããã® Model, Chain, Residue å
éšã®ãã¹ãŠã®
ATOM ããã©ãã€ãã¬ãŒã¿ãšããŠåããŸãã
Bio::PDB#atoms ã¯å
šãŠã® ATOM ãé
åãšããŠè¿ãã¡ãœããã§ãã
p pdb.atoms.size # => 2820 åã® ATOM ãå«ãŸããããšãããã
each_atom ãšåæ§ã« atoms ã¡ãœããã Model, Chain, Residue ãªããžã§ã¯ã
ã«å¯ŸããŠäœ¿çšå¯èœã§ãã
pdb.chains.each do |chain|
p chain.atoms.size # => å Chain æ¯ã® ATOM æ°ã衚瀺ããã
end
Bio::PDB#each_hetatm ã¯ãå
šãŠã® HETATM ãé çªã«ïŒåãã€èŸ¿ãã€ãã¬ãŒã¿ã§ãã
pdb.each_hetatm do |hetatm|
p hetatm.xyz
end
Bio::PDB#hetatms å
šãŠã® HETATM ãé
åãšããŠè¿ãã®ã¯ hetatms ã¡ãœããã§ãã
p pdb.hetatms.size
ãããã atoms ã®å Žåãšåæ§ã«ãModel, Chain, Heterogen ãªããžã§ã¯ãã«
察ããŠäœ¿çšå¯èœã§ãã
==== Bio::PDB::Record::ATOM, Bio::PDB::Record::HETATM ã¯ã©ã¹ã®äœ¿ãæ¹
ATOM ã¯ã¿ã³ãã¯è³ªã»æ žé
žïŒDNAã»RNAïŒãæ§æããååãHETATM ã¯ãã以å€ã®
ååãæ ŒçŽããããã®ã¯ã©ã¹ã§ãããHETATM ã ATOM ã¯ã©ã¹ãç¶æ¿ããŠãããã
ãããã®ã¯ã©ã¹ã§ã¡ãœããã®äœ¿ãæ¹ã¯ãŸã£ããåãã§ãã
p atom.serial # ã·ãªã¢ã«çªå·
p atom.name # åå
p atom.altLoc # Alternate location indicator
p atom.resName # ã¢ããé
žã»å¡©åºåãŸãã¯ååç©å
p atom.chainID # Chain ã® ID
p atom.resSeq # ã¢ããé
žæ®åºã®ã·ãŒã±ã³ã¹çªå·
p atom.iCode # Code for insertion of residues
p atom.x # X 座æš
p atom.y # Y 座æš
p atom.z # Z 座æš
p atom.occupancy # Occupancy
p atom.tempFactor # Temperature factor
p atom.segID # Segment identifier
p atom.element # Element symbol
p atom.charge # Charge on the atom
ãããã®ã¡ãœããåã¯ãååãšã㊠Protein Data Bank Contents Guide ã®
èšèŒã«åãããŠããŸããã¡ãœããåã« resName ã resSeq ãšãã£ãèšåæ³
ïŒCamelCaseïŒãæ¡çšããŠããã®ã¯ãã®ããã§ãã
ããããã®ã¡ãœããã®è¿ãããŒã¿ã®æå³ã¯ã仿§æžãåèã«ããŠãã ããã
ãã®ä»ã«ããããã€ãã®äŸ¿å©ãªã¡ãœãããçšæããŠããŸãã
xyz ã¡ãœããã¯ã座æšãïŒæ¬¡å
ã®ãã¯ãã«ãšããŠè¿ãã¡ãœããã§ãã
ãã®ã¡ãœããã¯ãRuby ã® Vector ã¯ã©ã¹ãç¶æ¿ããŠïŒæ¬¡å
ã®ãã¯ãã«ã«
ç¹åããã Bio::PDB::Coordinate ã¯ã©ã¹ã®ãªããžã§ã¯ããè¿ããŸã
ïŒæ³š: Vectorãç¶æ¿ããã¯ã©ã¹ãäœæããã®ã¯ããŸãæšå¥šãããªããããªã®ã§ã
å°æ¥ãVectorã¯ã©ã¹ã®ãªããžã§ã¯ããè¿ããã仿§å€æŽãããããããŸããïŒã
p atom.xyz
ãã¯ãã«ãªã®ã§ãè¶³ãç®ãåŒãç®ãå
ç©ãªã©ãæ±ããããšãã§ããŸãã
# ååéã®è·é¢ãæ±ãã
p (atom1.xyz - atom2.xyz).r # r ã¯ãã¯ãã«ã®çµ¶å¯Ÿå€ãæ±ããã¡ãœãã
# å
ç©ãæ±ãã
p atom1.xyz.inner_product(atom2.xyz)
ä»ã«ã¯ããã®ååã«å¯Ÿå¿ãã TER, SIGATM, ANISOU ã¬ã³ãŒããååŸãã
ter, sigatm, anisou ã¡ãœãããçšæãããŠããŸãã
=== ã¢ããé
žæ®åº (Residue) ã«ã¢ã¯ã»ã¹ããã¡ãœãã
Bio::PDB#each_residue ã¯ãå
šãŠã® Residue ãé çªã«èŸ¿ãã€ãã¬ãŒã¿ã§ãã
each_residue ã¡ãœããã¯ãModel, Chain ãªããžã§ã¯ãã«å¯ŸããŠã
䜿çšããããšãã§ããããããã® Model, Chain ã«å«ãŸããå
šãŠã®
Residue ã蟿ãã€ãã¬ãŒã¿ãšããŠåããŸãã
pdb.each_residue do |residue|
p residue.resName
end
Bio::PDB#residues ã¯ãå
šãŠã® Residue ãé
åãšããŠè¿ãã¡ãœããã§ãã
each_residue ãšåæ§ã«ãModel, Chain ãªããžã§ã¯ãã«å¯ŸããŠã䜿çšå¯èœã§ãã
p pdb.residues.size
=== ååç© (Heterogen) ã«ã¢ã¯ã»ã¹ããã¡ãœãã
Bio::PDB#each_heterogen ã¯å
šãŠã® Heterogen ãé çªã«ãã©ãã€ãã¬ãŒã¿ã
Bio::PDB#heterogens ã¯å
šãŠã® Heterogen ãé
åãšããŠè¿ãã¡ãœããã§ãã
pdb.each_heterogen do |heterogeon|
p heterogen.resName
end
p pdb.heterogens.size
ãããã®ã¡ãœããã Residue ãšåæ§ã« Model, Chain ãªããžã§ã¯ãã«å¯ŸããŠã
䜿çšå¯èœã§ãã
=== Chain, Model ã«ã¢ã¯ã»ã¹ããã¡ãœãã
åæ§ã«ãBio::PDB#each_chain ã¯å
šãŠã® Chain ãé çªã«ãã©ãã€ãã¬ãŒã¿ã
Bio::PDB#chains ã¯å
šãŠã® Chain ãé
åãšããŠè¿ãã¡ãœããã§ãã
ãããã®ã¡ãœãã㯠Model ãªããžã§ã¯ãã«å¯ŸããŠã䜿çšå¯èœã§ãã
Bio::PDB#each_model ã¯å
šãŠã® Model ãé çªã«ãã©ãã€ãã¬ãŒã¿ã
Bio::PDB#models ã¯å
šãŠã® Model ãé
åãšããŠè¿ãã¡ãœããã§ãã
=== PDB Chemical Component Dictionary ã®ããŒã¿ã®èªã¿èŸŒã¿
Bio::PDB::ChemicalComponent ã¯ã©ã¹ã¯ãPDB Chemical Component Dictionary
ïŒæ§åç§° HET Group DictionaryïŒã®ããŒãµã§ãã
PDB Chemical Component Dictionary ã«ã€ããŠã¯ä»¥äžã®ããŒãžãåç
§ããŠãã ããã
* ((<URL:http://deposit.pdb.org/cc_dict_tut.html>))
ããŒã¿ã¯ä»¥äžã§ããŠã³ããŒãã§ããŸãã
* ((<URL:http://deposit.pdb.org/het_dictionary.txt>))
ãã®ã¯ã©ã¹ã¯ãRESIDUE ããå§ãŸã£ãŠç©ºè¡ã§çµããïŒãšã³ããªãããŒã¹ããŸã
ïŒPDB ãã©ãŒãããã«ã®ã¿å¯Ÿå¿ããŠããŸãïŒã
Bio::FlatFile ã«ãããã¡ã€ã«åœ¢åŒèªåå€å¥ã«å¯Ÿå¿ããŠããŸãã
ãã®ã¯ã©ã¹èªäœã¯ ID ããååç©ãæ€çŽ¢ãããããæ©èœã¯æã£ãŠããŸããã
br_bioflat.rb ã«ããã€ã³ããã¯ã¹äœæã«ã¯å¯Ÿå¿ããŠããŸãã®ã§ã
å¿
èŠãªããã¡ãã䜿çšããŠãã ããã
Bio::FlatFile.auto("het_dictionary.txt") |ff|
ff.each do |het|
p het.entry_id # ID
p het.hetnam # HETNAM ã¬ã³ãŒãïŒååç©ã®åç§°ïŒ
p het.hetsyn # HETSYM ã¬ã³ãŒãïŒååç©ã®å¥åã®é
åïŒ
p het.formul # FORMUL ã¬ã³ãŒãïŒååç©ã®çµæåŒïŒ
p het.conect # CONECT ã¬ã³ãŒã
end
end
æåŸã® conect ã¡ãœããã¯ãååç©ã®çµåã Hash ãšããŠè¿ããŸãã
ããšãã°ããšã¿ããŒã«ã®ãšã³ããªã¯æ¬¡ã®ããã«ãªããŸããã
RESIDUE EOH 9
CONECT C1 4 C2 O 1H1 2H1
CONECT C2 4 C1 1H2 2H2 3H2
CONECT O 2 C1 HO
CONECT 1H1 1 C1
CONECT 2H1 1 C1
CONECT 1H2 1 C2
CONECT 2H2 1 C2
CONECT 3H2 1 C2
CONECT HO 1 O
END
HET EOH 9
HETNAM EOH ETHANOL
FORMUL EOH C2 H6 O1
ãã®ãšã³ããªã«å¯Ÿã㊠conect ã¡ãœãããåŒã¶ãš
{ "C1" => [ "C2", "O", "1H1", "2H1" ],
"C2" => [ "C1", "1H2", "2H2", "3H2" ],
"O" => [ "C1", "HO" ],
"1H1" => [ "C1" ],
"1H2" => [ "C2" ],
"2H1" => [ "C1" ],
"2H2" => [ "C2" ],
"3H2" => [ "C2" ],
"HO" => [ "O" ] }
ãšãã Hash ãè¿ããŸãã
ãããŸã§ã®åŠçã BioRuby ã·ã§ã«ã§è©Šããšä»¥äžã®ããã«ãªããŸãã
# PDB ãšã³ã㪠1bl8 ããããã¯ãŒã¯çµç±ã§ååŸ
bioruby> ent_1bl8 = getent("pdb:1bl8")
# ãšã³ããªã®äžèº«ã確èª
bioruby> head ent_1bl8
# ãšã³ããªããã¡ã€ã«ã«ä¿å
bioruby> savefile("1bl8.pdb", ent_1bl8)
# ä¿åããããã¡ã€ã«ã®äžèº«ã確èª
bioruby> disp "data/1bl8.pdb"
# PDB ãšã³ããªãããŒã¹
bioruby> pdb_1bl8 = flatparse(ent_1bl8)
# PDB ã®ãšã³ã㪠ID ã衚瀺
bioruby> pdb_1bl8.entry_id
# getent("pdb:1bl8") ã㊠flatparse ãã代ããã«ã以äžã§ãOK
bioruby> obj_1bl8 = getobj("pdb:1bl8")
bioruby> obj_1bl8.entry_id
# å HETEROGEN ããšã«æ®åºåã衚瀺
bioruby> pdb_1bl8.each_heterogen { |heterogen| p heterogen.resName }
# PDB Chemical Component Dictionary ãååŸ
bioruby> het_dic = open("http://deposit.pdb.org/het_dictionary.txt").read
# ååŸãããã¡ã€ã«ã®ãã€ãæ°ã確èª
bioruby> het_dic.size
# ååŸãããã¡ã€ã«ãä¿å
bioruby> savefile("data/het_dictionary.txt", het_dic)
# ãã¡ã€ã«ã®äžèº«ã確èª
bioruby> disp "data/het_dictionary.txt"
# æ€çŽ¢ã®ããã«ã€ã³ããã¯ã¹åã het_dic ãšããããŒã¿ããŒã¹ãäœæ
bioruby> flatindex("het_dic", "data/het_dictionary.txt")
# ID ã EOH ã®ãšã¿ããŒã«ã®ãšã³ããªãæ€çŽ¢
bioruby> ethanol = flatsearch("het_dic", "EOH")
# ååŸãããšã³ããªãããŒã¹
bioruby> osake = flatparse(ethanol)
# ååéã®çµåããŒãã«ã衚瀺
bioruby> sake.conect
== ã¢ã©ã€ã¡ã³ã (Bio::Alignment ã¯ã©ã¹)
Bio::Alignment ã¯ã©ã¹ã¯é
åã®ã¢ã©ã€ã¡ã³ããæ ŒçŽããããã®ã³ã³ããã§ãã
Ruby ã® Hash ã Array ã«äŒŒãæäœãå¯èœã§ãBioPerl ã® Bio::SimpleAlign ã«
䌌ãæãã«ãªã£ãŠããŸãã以äžã«ç°¡åãªäœ¿ãæ¹ã瀺ããŸãã
require 'bio'
seqs = [ 'atgca', 'aagca', 'acgca', 'acgcg' ]
seqs = seqs.collect{ |x| Bio::Sequence::NA.new(x) }
# ã¢ã©ã€ã¡ã³ããªããžã§ã¯ããäœæ
a = Bio::Alignment.new(seqs)
# ã³ã³ã»ã³ãµã¹é
åã衚瀺
p a.consensus # ==> "a?gc?"
# IUPAC æšæºã®ææ§ãªå¡©åºã䜿çšããã³ã³ã»ã³ãµã¹é
åã衚瀺
p a.consensus_iupac # ==> "ahgcr"
# åé
åã«ã€ããŠç¹°ãè¿ã
a.each { |x| p x }
# ==>
# "atgca"
# "aagca"
# "acgca"
# "acgcg"
# åãµã€ãã«ã€ããŠç¹°ãè¿ã
a.each_site { |x| p x }
# ==>
# ["a", "a", "a", "a"]
# ["t", "a", "c", "c"]
# ["g", "g", "g", "g"]
# ["c", "c", "c", "c"]
# ["a", "a", "a", "g"]
# Clustal W ã䜿çšããŠã¢ã©ã€ã¡ã³ããè¡ãã
# 'clustalw' ã³ãã³ããã·ã¹ãã ã«ã€ã³ã¹ããŒã«ãããŠããå¿
èŠãããã
factory = Bio::ClustalW.new
a2 = a.do_align(factory)
== FASTA ã«ããçžåæ§æ€çŽ¢ãè¡ãïŒBio::Fasta ã¯ã©ã¹ïŒ
FASTA 圢åŒã®é
åãã¡ã€ã« query.pep ã«å¯ŸããŠãèªåã®ãã·ã³(ããŒã«ã«)ãããã¯
ã€ã³ã¿ãŒãããäžã®ãµãŒã(ãªã¢ãŒã)ã§ FASTA ã«ããçžåæ§æ€çŽ¢ãè¡ãæ¹æ³ã§ãã
ããŒã«ã«ã®å Žå㯠SSEARCH ãªã©ãåæ§ã«äœ¿ãããšãã§ããŸãã
=== ããŒã«ã«ã®å Žå
FASTA ãã€ã³ã¹ããŒã«ãããŠããããšã確èªããŠãã ããã以äžã®äŸã§ã¯ã
ã³ãã³ãåã fasta34 ã§ãã¹ãéã£ããã£ã¬ã¯ããªã«ã€ã³ã¹ããŒã«
ãããŠããç¶æ³ãä»®å®ããŠããŸãã
* ((<URL:ftp://ftp.virginia.edu/pub/fasta/>))
æ€çŽ¢å¯Ÿè±¡ãšãã FASTA 圢åŒã®ããŒã¿ããŒã¹ãã¡ã€ã« target.pep ãšãFASTA
圢åŒã®åãåããé
åãããã€ãå
¥ã£ããã¡ã€ã« query.pep ãæºåããŸãã
ãã®äŸã§ã¯ãååãåããé
åããšã« FASTA æ€çŽ¢ãå®è¡ãããããããé
åã®
evalue ã 0.0001 以äžã®ãã®ã ãã衚瀺ããŸãã
#!/usr/bin/env ruby
require 'bio'
# FASTA ãå®è¡ããç°å¢ãªããžã§ã¯ããäœãïŒssearch ãªã©ã§ãè¯ãïŒ
factory = Bio::Fasta.local('fasta34', ARGV.pop)
# ãã©ãããã¡ã€ã«ãèªã¿èŸŒã¿ãFastaFormat ãªããžã§ã¯ãã®ãªã¹ãã«ãã
ff = Bio::FlatFile.new(Bio::FastaFormat, ARGF)
# ïŒãšã³ããªãã€ã® FastaFormat ãªããžã§ã¯ãã«å¯Ÿã
ff.each do |entry|
# '>' ã§å§ãŸãã³ã¡ã³ãè¡ã®å
容ãé²è¡ç¶æ³ãããã«æšæºãšã©ãŒåºåã«è¡šç€º
$stderr.puts "Searching ... " + entry.definition
# FASTA ã«ããçžåæ§æ€çŽ¢ãå®è¡ãçµæã¯ Fasta::Report ãªããžã§ã¯ã
report = factory.query(entry)
# ããããããã®ããããã«å¯Ÿã
report.each do |hit|
# evalue ã 0.0001 以äžã®å Žå
if hit.evalue < 0.0001
# ãã® evalue ãšãååããªãŒããŒã©ããé åã衚瀺
print "#{hit.query_id} : evalue #{hit.evalue}\t#{hit.target_id} at "
p hit.lap_at
end
end
end
ããã§ factory ã¯ç¹°ãè¿ã FASTA ãå®è¡ããããã«ããããããäœã£ãŠãã
å®è¡ç°å¢ã§ãã
äžèšã®ã¹ã¯ãªããã search.rb ãšãããšãåãåããé
åãšããŒã¿ããŒã¹é
åã®
ãã¡ã€ã«åãåŒæ°ã«ããŠã以äžã®ããã«å®è¡ããŸãã
% ruby search.rb query.pep target.pep > search.out
FASTA ã³ãã³ãã«ãªãã·ã§ã³ãäžãããå ŽåãïŒçªç®ã®åŒæ°ã« FASTA ã®
ã³ãã³ãã©ã€ã³ãªãã·ã§ã³ãæžããŠæž¡ããŸãããã ããktup å€ã ãã¯
ã¡ãœããã䜿ã£ãŠæå®ããããšã«ãªã£ãŠããŸãã
ããšãã° ktup å€ã 1 ã«ããŠãããã 10 äœä»¥å
ã®ããããåŸãå Žåã®
ãªãã·ã§ã³ã¯ã以äžã®ããã«ãªããŸãã
factory = Bio::Fasta.local('fasta34', 'target.pep', '-b 10')
factory.ktup = 1
Bio::Fasta#query ã¡ãœãããªã©ã®è¿ãå€ã¯ Bio::Fasta::Report ãªããžã§ã¯ã
ã§ãããã® Report ãªããžã§ã¯ããããæ§ã
ãªã¡ãœããã§ FASTA ã®åºåçµæã®
ã»ãŒå
šãŠãèªç±ã«åãåºããããã«ãªã£ãŠããŸããããšãã°ããããã«é¢ãã
ã¹ã³ã¢ãªã©ã®äž»ãªæ
å ±ã¯ã
report.each do |hit|
puts hit.evalue # E-value
puts hit.sw # Smith-Waterman ã¹ã³ã¢ (*)
puts hit.identity # % identity
puts hit.overlap # ãªãŒããŒã©ããããŠããé åã®é·ã
puts hit.query_id # åãåããé
åã® ID
puts hit.query_def # åãåããé
åã®ã³ã¡ã³ã
puts hit.query_len # åãåããé
åã®é·ã
puts hit.query_seq # åãåããé
å
puts hit.target_id # ãããããé
åã® ID
puts hit.target_def # ãããããé
åã®ã³ã¡ã³ã
puts hit.target_len # ãããããé
åã®é·ã
puts hit.target_seq # ãããããé
å
puts hit.query_start # çžåé åã®åãåããé
åã§ã®éå§æ®åºäœçœ®
puts hit.query_end # çžåé åã®åãåããé
åã§ã®çµäºæ®åºäœçœ®
puts hit.target_start # çžåé åã®ã¿ãŒã²ããé
åã§ã®éå§æ®åºäœçœ®
puts hit.target_end # çžåé åã®ã¿ãŒã²ããé
åã§ã®çµäºæ®åºäœçœ®
puts hit.lap_at # äžèšïŒäœçœ®ã®æ°å€ã®é
å
end
ãªã©ã®ã¡ãœããã§åŒã³åºããŸãããããã®ã¡ãœããã®å€ãã¯åŸã§èª¬æãã
Bio::Blast::Report ã¯ã©ã¹ãšå
±éã«ããŠãããŸããäžèšä»¥å€ã®ã¡ãœããã
FASTA ç¹æã®å€ãåãåºãã¡ãœãããå¿
èŠãªå Žåã¯ãBio::Fasta::Report
ã¯ã©ã¹ã®ããã¥ã¡ã³ããåç
§ããŠãã ããã
ãããããŒã¹ããåã®æãå ããŠããªã fasta ã³ãã³ãã®å®è¡çµæãå¿
èŠãª
å Žåã«ã¯ã
report = factory.query(entry)
puts factory.output
ã®ããã«ãquery ã¡ãœãããå®è¡ããåŸã§ factory ãªããžã§ã¯ãã® output
ã¡ãœããã䜿ã£ãŠåãåºãããšãã§ããŸãã
=== ãªã¢ãŒãã®å Žå
ä»ã®ãšãã GenomeNet (fasta.genome.jp) ã§ã®æ€çŽ¢ã®ã¿ãµããŒãããŠããŸãã
ãªã¢ãŒãã®å Žåã¯äœ¿çšå¯èœãªæ€çŽ¢å¯Ÿè±¡ããŒã¿ããŒã¹ã決ãŸã£ãŠããŸããããã以
å€ã®ç¹ã«ã€ããŠã¯ Bio::Fasta.remote ãš Bio::Fasta.local ã¯åãããã«äœ¿ã
ããšãã§ããŸãã
GenomeNet ã§äœ¿çšå¯èœãªæ€çŽ¢å¯Ÿè±¡ããŒã¿ããŒã¹ïŒ
* ã¢ããé
žé
åããŒã¿ããŒã¹
* nr-aa, genes, vgenes.pep, swissprot, swissprot-upd, pir, prf, pdbstr
* å¡©åºé
åããŒã¿ããŒã¹
* nr-nt, genbank-nonst, gbnonst-upd, dbest, dbgss, htgs, dbsts,
embl-nonst, embnonst-upd, genes-nt, genome, vgenes.nuc
ãŸãããã®äžããæ€çŽ¢ãããããŒã¿ããŒã¹ãéžæããŸããåãåããé
åã®çš®é¡
ãšæ€çŽ¢ããããŒã¿ããŒã¹ã®çš®é¡ã«ãã£ãŠããã°ã©ã ã¯æ±ºãŸããŸãã
* åãåããé
åãã¢ããé
žã®ãšã
* 察象ããŒã¿ããŒã¹ãã¢ããé
žé
åããŒã¿ããŒã¹ã®å Žåãprogram 㯠'fasta'
* 察象ããŒã¿ããŒã¹ãæ žé
žé
åããŒã¿ããŒã¹ã®å Žåãprogram 㯠'tfasta'
* åãåããé
åãæ žé
žé
åã®ãšã
* 察象ããŒã¿ããŒã¹ãæ žé
žé
åããŒã¿ããŒã¹ã®å Žåãprogram 㯠'fasta'
* (察象ããŒã¿ããŒã¹ãã¢ããé
žé
åããŒã¿ããŒã¹ã®å Žåã¯æ€çŽ¢äžèœ?)
ããã°ã©ã ãšããŒã¿ããŒã¹ã®çµã¿åããæ±ºãŸã£ãã
program = 'fasta'
database = 'genes'
factory = Bio::Fasta.remote(program, database)
ãšããŠãã¡ã¯ããªãŒãäœããããŒã«ã«ã®å Žåãšåãããã« factory.query ãªã©
ã®ã¡ãœããã§æ€çŽ¢ãå®è¡ããŸãã
== BLAST ã«ããçžåæ§æ€çŽ¢ãè¡ãïŒBio::Blast ã¯ã©ã¹ïŒ
BLAST ãããŒã«ã«ãš GenomeNet (blast.genome.jp) ã§ã®æ€çŽ¢ããµããŒãããŠ
ããŸããã§ããã ã Bio::Fasta ãš API ãå
±éã«ããŠããŸãã®ã§ãäžèšã®äŸã
Bio::Blast ãšæžãæããã ãã§ã倧äžå€«ãªå Žåãå€ãã§ãã
ããšãã°ãå
ã® f_search.rb ã¯
# BLAST ãå®è¡ããç°å¢ãªããžã§ã¯ããäœã
factory = Bio::Blast.local('blastp', ARGV.pop)
ãšå€æŽããã ãã§åãããã«å®è¡ã§ããŸãã
åæ§ã«ãGenomeNet ã䜿çšããŠBLASTãè¡ãå Žåã«ã¯ Bio::Blast.remote ã䜿ããŸãã
ãã®å Žåãprogramã®æå®å
容ã FASTA ãšç°ãªããŸãã
* åãåããé
åãã¢ããé
žã®ãšã
* 察象ããŒã¿ããŒã¹ãã¢ããé
žé
åããŒã¿ããŒã¹ã®å Žåãprogram 㯠'blastp'
* 察象ããŒã¿ããŒã¹ãæ žé
žé
åããŒã¿ããŒã¹ã®å Žåãprogram 㯠'tblastn'
* åãåããé
åãå¡©åºé
åã®ãšã
* 察象ããŒã¿ããŒã¹ãã¢ããé
žé
åããŒã¿ããŒã¹ã®å Žåãprogram 㯠'blastx'
* 察象ããŒã¿ããŒã¹ãå¡©åºé
åããŒã¿ããŒã¹ã®å Žåãprogram 㯠'blastn'
* (åãåããã»ããŒã¿ããŒã¹å
±ã«6ãã¬ãŒã 翻蚳ãè¡ãå Žå㯠'tblastx')
ãããããæå®ããŸãã
ãšããã§ãBLAST ã§ã¯ "-m 7" ãªãã·ã§ã³ã«ãã XML åºåãã©ãŒããããã®æ¹ã
åŸãããæ
å ±ãè±å¯ãªãããBio::Blast 㯠Ruby çšã® XML ã©ã€ãã©ãªã§ãã
XMLParser ãŸã㯠REXML ã䜿çšå¯èœãªå Žåã¯ãXML åºåãå©çšããŸãã
äž¡æ¹äœ¿çšå¯èœãªå ŽåãXMLParser ã®ã»ããé«éãªã®ã§åªå
çã«äœ¿çšãããŸãã
ãªããRuby 1.8.0 以éã§ã¯ REXML 㯠Ruby æ¬äœã«æšæºæ·»ä»ãããŠããŸãã
ãã XML ã©ã€ãã©ãªãã€ã³ã¹ããŒã«ãããŠããªãå Žå㯠"-m 8" ã®ã¿ãåºåãã®
åºå圢åŒãæ±ãããã«ããŠããŸãããããããã®ãã©ãŒãããã§ã¯åŸããã
ããŒã¿ãéãããã®ã§ã"-m 7" ã® XML 圢åŒã®åºåã䜿ãããšããå§ãããŸãã
ãã§ã«èŠãããã« Bio::Fasta::Report ãš Bio::Blast::Report ã® Hit ãªããžã§
ã¯ãã¯ããã€ãå
±éã®ã¡ãœãããæã£ãŠããŸããBLAST åºæã®ã¡ãœããã§è¯ã䜿
ããããªãã®ã«ã¯ bit_score ã midline ãªã©ããããŸãã
report.each do |hit|
puts hit.bit_score # bit ã¹ã³ã¢ (*)
puts hit.query_seq # åãåããé
å
puts hit.midline # ã¢ã©ã€ã¡ã³ãã® midline æåå (*)
puts hit.target_seq # ãããããé
å
puts hit.evalue # E-value
puts hit.identity # % identity
puts hit.overlap # ãªãŒããŒã©ããããŠããé åã®é·ã
puts hit.query_id # åãåããé
åã® ID
puts hit.query_def # åãåããé
åã®ã³ã¡ã³ã
puts hit.query_len # åãåããé
åã®é·ã
puts hit.target_id # ãããããé
åã® ID
puts hit.target_def # ãããããé
åã®ã³ã¡ã³ã
puts hit.target_len # ãããããé
åã®é·ã
puts hit.query_start # çžåé åã®åãåããé
åã§ã®éå§æ®åºäœçœ®
puts hit.query_end # çžåé åã®åãåããé
åã§ã®çµäºæ®åºäœçœ®
puts hit.target_start # çžåé åã®ã¿ãŒã²ããé
åã§ã®éå§æ®åºäœçœ®
puts hit.target_end # çžåé åã®ã¿ãŒã²ããé
åã§ã®çµäºæ®åºäœçœ®
puts hit.lap_at # äžèšïŒäœçœ®ã®æ°å€ã®é
å
end
FASTAãšã®APIå
±éåã®ãããšç°¡äŸ¿ã®ãããã¹ã³ã¢ãªã©ããã€ãã®æ
å ±ã¯1çªç®ã®
Hsp (High-scoring segment pair) ã®å€ãHitã§è¿ãããã«ããŠããŸãã
Bio::Blast::Report ãªããžã§ã¯ãã¯ã以äžã«ç€ºããããªãBLASTã®çµæåºåã®
ããŒã¿æ§é ããã®ãŸãŸåæ ããéå±€çãªããŒã¿æ§é ãæã£ãŠããŸããå
·äœçã«ã¯
* Bio::Blast::Report ãªããžã§ã¯ãã® @iteratinos ã«
* Bio::Blast::Report::Iteration ãªããžã§ã¯ãã® Array ãå
¥ã£ãŠãã
Bio::Blast::Report::Iteration ãªããžã§ã¯ãã® @hits ã«
* Bio::Blast::Report::Hits ãªããžã§ã¯ãã® Array ãå
¥ã£ãŠãã
Bio::Blast::Report::Hits ãªããžã§ã¯ãã® @hsps ã«
* Bio::Blast::Report::Hsp ãªããžã§ã¯ãã® Array ãå
¥ã£ãŠãã
ãšããéå±€æ§é ã«ãªã£ãŠããããããããå
éšã®å€ãåãåºãããã®ã¡ãœããã
æã£ãŠããŸãããããã®ã¡ãœããã®è©³çްããBLAST å®è¡ã®çµ±èšæ
å ±ãªã©ã®å€ã
å¿
èŠãªå Žåã«ã¯ã bio/appl/blast/*.rb å
ã®ããã¥ã¡ã³ãããã¹ãã³ãŒãã
åç
§ããŠãã ããã
=== æ¢åã® BLAST åºåãã¡ã€ã«ãããŒã¹ãã
BLAST ãå®è¡ããçµæãã¡ã€ã«ããã§ã«ä¿åããŠãã£ãŠããããè§£æãããå Žå
ã«ã¯ïŒBio::Blast ãªããžã§ã¯ããäœããã«ïŒ Bio::Blast::Report ãªããžã§ã¯
ããäœãããããšããããšã«ãªããŸããããã«ã¯ Bio::Blast.reports ã¡ãœãã
ã䜿ããŸãã察å¿ããŠããã®ã¯ ããã©ã«ãåºåãã©ãŒããã("-m 0") ãŸãã¯
"-m 7" ãªãã·ã§ã³ã® XML ãã©ãŒãããåºåã§ãã
#!/usr/bin/env ruby
require 'bio'
# BLASTåºåãé ã«ããŒã¹ã㊠Bio::Blast::Report ãªããžã§ã¯ããè¿ã
Bio::Blast.reports(ARGF) do |report|
puts "Hits for " + report.query_def + " against " + report.db
report.each do |hit|
print hit.target_id, "\t", hit.evalue, "\n" if hit.evalue < 0.001
end
end
ã®ãããªã¹ã¯ãªãã hits_under_0.001.rb ãæžããŠã
% ./hits_under_0.001.rb *.xml
ãªã©ãšå®è¡ããã°ãåŒæ°ã«äžãã BLAST ã®çµæãã¡ã€ã« *.xml ãé çªã«åŠçã§
ããŸãã
Blast ã®ããŒãžã§ã³ã OS ãªã©ã«ãã£ãŠåºåããã XML ã®åœ¢åŒãç°ãªãå¯èœæ§
ããããæã
XML ã®ããŒã¶ãããŸã䜿ããªãããšãããããã§ãããã®å Žåã¯
Blast 2.2.5 以éã®ããŒãžã§ã³ãã€ã³ã¹ããŒã«ããã -D ã -m ãªã©ã®ãªãã·ã§
ã³ã®çµã¿åããå€ããŠè©ŠããŠã¿ãŠãã ããã
=== ãªã¢ãŒãæ€çŽ¢ãµã€ãã远å ããã«ã¯
泚: ãã®ã»ã¯ã·ã§ã³ã¯äžçŽãŠãŒã¶åãã§ããå¯èœã§ããã° SOAP ãªã©ã«ãã
ãŠã§ããµãŒãã¹ãå©çšããæ¹ãããã§ãããã
Blast æ€çŽ¢ã¯ NCBI ãã¯ããæ§ã
ãªãµã€ãã§ãµãŒãã¹ãããŠããŸãããä»ã®ãšã
ã BioRuby ã§ã¯ GenomeNet 以å€ã«ã¯å¯Ÿå¿ããŠããŸããããããã®ãµã€ãã¯ã
* CGI ãåŒã³åºãïŒã³ãã³ãã©ã€ã³ãªãã·ã§ã³ã¯ãã®ãµã€ãçšã«åŠçããïŒ
* -m 8 ãªã© BioRuby ãããŒã¶ãæã£ãŠããåºåãã©ãŒãããã§ blast ã®
åºåãåãåºã
ããšããã§ããã°ãquery ãåãåã£ãŠæ€çŽ¢çµæã Bio::Blast::Report.new ã«
æž¡ããããªã¡ãœãããå®çŸ©ããã ãã§äœ¿ããããã«ãªããŸããå
·äœçã«ã¯ããã®
ã¡ãœããããexec_ãµã€ãåãã®ãããªååã§ Bio::Blast ã® private ã¡ãœãã
ãšããŠç»é²ãããšãïŒçªç®ã®åŒæ°ã«ããµã€ãåããæå®ããŠ
factory = Bio::Blast.remote(program, db, option, 'ãµã€ãå')
ã®ããã«åŒã³åºããããã«ãªã£ãŠããŸãã宿ããã BioRuby ãããžã§ã¯ããŸ
ã§éã£ãŠããããã°åã蟌ãŸããŠé ããŸãã
== PubMed ãåŒããŠåŒçšæç®ãªã¹ããäœã (Bio::PubMed ã¯ã©ã¹)
次ã¯ãNCBI ã®æç®ããŒã¿ããŒã¹ PubMed ãæ€çŽ¢ããŠåŒçšæç®ãªã¹ããäœæããäŸã§ãã
#!/usr/bin/env ruby
require 'bio'
ARGV.each do |id|
entry = Bio::PubMed.query(id) # PubMed ãååŸããã¯ã©ã¹ã¡ãœãã
medline = Bio::MEDLINE.new(entry) # Bio::MEDLINE ãªããžã§ã¯ã
reference = medline.reference # Bio::Reference ãªããžã§ã¯ã
puts reference.bibtex # BibTeX ãã©ãŒãããã§åºå
end
ãã®ã¹ã¯ãªããã pmfetch.rb ãªã©å¥œããªååã§ä¿åãã
% ./pmfetch.rb 11024183 10592278 10592173
ãªã©åŒçšãããè«æã® PubMed ID (PMID) ãåŒæ°ã«äžŠã¹ããš NCBI ã«ã¢ã¯ã»ã¹ã
㊠MEDLINE ãã©ãŒããããããŒã¹ã BibTeX ãã©ãŒãããã«å€æããŠåºåããŠ
ãããã¯ãã§ãã
ä»ã«ãããŒã¯ãŒãã§æ€çŽ¢ããæ©èœããããŸãã
#!/usr/bin/env ruby
require 'bio'
# ã³ãã³ãã©ã€ã³ã§äžããããŒã¯ãŒãã®ãªã¹ããïŒã€ã®æååã«ãã
keywords = ARGV.join(' ')
# PubMed ãããŒã¯ãŒãã§æ€çŽ¢
entries = Bio::PubMed.search(keywords)
entries.each do |entry|
medline = Bio::MEDLINE.new(entry) # Bio::MEDLINE ãªããžã§ã¯ã
reference = medline.reference # Bio::Reference ãªããžã§ã¯ã
puts reference.bibtex # BibTeX ãã©ãŒãããã§åºå
end
ãã®ã¹ã¯ãªããã pmsearch.rb ãªã©å¥œããªååã§ä¿åã
% ./pmsearch.rb genome bioinformatics
ãªã©æ€çŽ¢ãããããŒã¯ãŒããåŒæ°ã«äžŠã¹ãŠå®è¡ãããšãPubMed ãããŒã¯ãŒã
æ€çŽ¢ããŠãããããè«æã®ãªã¹ãã BibTeX ãã©ãŒãããã§åºåããŸãã
æè¿ã§ã¯ãNCBI 㯠E-Utils ãšãããŠã§ãã¢ããªã±ãŒã·ã§ã³ã䜿ãããšã
æšå¥šãããŠããã®ã§ãä»åŸã¯ Bio::PubMed.esearch ã¡ãœããããã³
Bio::PubMed.efetch ã¡ãœãããäœ¿ãæ¹ãè¯ãã§ãããã
#!/usr/bin/env ruby
require 'bio'
keywords = ARGV.join(' ')
options = {
'maxdate' => '2003/05/31',
'retmax' => 1000,
}
entries = Bio::PubMed.esearch(keywords, options)
Bio::PubMed.efetch(entries).each do |entry|
medline = Bio::MEDLINE.new(entry)
reference = medline.reference
puts reference.bibtex
end
ãã®ã¹ã¯ãªããã§ã¯ãäžèšã® pmsearch.rb ãšã»ãŒåãããã«åããŸããããã«ã
NCBI E-Utils ãæŽ»çšããããšã«ãããæ€çŽ¢å¯Ÿè±¡ã®æ¥ä»ãæå€§ãããä»¶æ°ãªã©ã
æå®ã§ããããã«ãªã£ãŠããã®ã§ããã髿©èœã§ãããªãã·ã§ã³ã«äžãããã
åŒæ°ã«ã€ããŠã¯ ((<E-Utils ã®ãã«ãããŒãž|URL:http://eutils.ncbi.nlm.nih.gov/entrez/query/static/eutils_help.html>)) ãåç
§ããŠãã ããã
ã¡ãªã¿ã«ãããã§ã¯ bibtex ã¡ãœããã§ BibTeX ãã©ãŒãããã«å€æããŠããŸã
ããåŸè¿°ã®ããã« bibitem ã¡ãœããã䜿ããä»ãïŒåŒ·èª¿ãã€ã¿ãªãã¯ãªã©
æåã®ä¿®é£Ÿã¯ã§ããŸãããïŒnature ã¡ãœããã nar ãªã©ãããã€ãã®éèªã®
ãã©ãŒãããã«ã察å¿ããŠããŸãã
=== BibTeX ã®äœ¿ãæ¹ã®ã¡ã¢
äžèšã®äŸã§éãã BibTeX ãã©ãŒãããã®ãªã¹ãã TeX ã§äœ¿ãæ¹æ³ãç°¡åã«ãŸ
ãšããŠãããŸããåŒçšããããªæç®ã
% ./pmfetch.rb 10592173 >> genoinfo.bib
% ./pmsearch.rb genome bioinformatics >> genoinfo.bib
ãªã©ãšã㊠genoinfo.bib ãã¡ã€ã«ã«éããŠä¿åããŠããã
\documentclass{jarticle}
\begin{document}
\bibliographystyle{plain}
ã»ã«ããã KEGG ããŒã¿ããŒã¹~\cite{PMID:10592173}ã¯ãµãã»ãã§ããã
\bibliography{genoinfo}
\end{document}
ãšãããã¡ã€ã« hoge.tex ãæžããŠã
% platex hoge
% bibtex hoge # â genoinfo.bib ã®åŠç
% platex hoge # â æç®ãªã¹ãã®äœæ
% platex hoge # â æç®çªå·
ãšãããšç¡äº hoge.dvi ãã§ãããããŸãã
=== bibitem ã®äœ¿ãæ¹ã®ã¡ã¢
æç®çšã«å¥ã® .bib ãã¡ã€ã«ãäœããããªãå Žå㯠Reference#bibitem ã¡ãœã
ãã®åºåã䜿ããŸããäžèšã® pmfetch.rb ã pmsearch.rb ã®
puts reference.bibtex
ã®è¡ã
puts reference.bibitem
ã«æžãæãããªã©ããŠãåºåçµæã
\documentclass{jarticle}
\begin{document}
ã»ã«ããã KEGG ããŒã¿ããŒã¹~\cite{PMID:10592173}ã¯ãµãã»ãã§ããã
\begin{thebibliography}{00}
\bibitem{PMID:10592173}
Kanehisa, M., Goto, S.
KEGG: kyoto encyclopedia of genes and genomes.,
{\em Nucleic Acids Res}, 28(1):27--30, 2000.
\end{thebibliography}
\end{document}
ã®ããã« \begin{thebibliography} ã§å²ã¿ãŸããããã hoge.tex ãšãããš
% platex hoge # â æç®ãªã¹ãã®äœæ
% platex hoge # â æç®çªå·
ãšïŒååŠçããã°ã§ããããã§ãã
= OBDA
OBDA (Open Bio Database Access) ãšã¯ãOpen Bioinformatics Foundation
ã«ãã£ãŠå¶å®ããããé
åããŒã¿ããŒã¹ãžã®å
±éã¢ã¯ã»ã¹æ¹æ³ã§ããããã¯ã
2002 幎ã®1æãš2æã« Arizona ãš Cape Town ã«ãŠéå¬ããã BioHackathon
ã«ãããŠãBioPerl, BioJava, BioPython, BioRuby ãªã©ã®åãããžã§ã¯ãã®
ã¡ã³ããŒãåå ããŠäœæãããŸããã
* BioRegistry (Directory)
* ããŒã¿ããŒã¹æ¯ã«é
åãã©ãã«ã©ã®ããã«åãã«è¡ãããæå®ããä»çµã¿
* BioFlat
* ãã©ãããã¡ã€ã«ã® 2 åæšãŸã㯠BDB ã䜿ã£ãã€ã³ããã¯ã¹äœæ
* BioFetch
* HTTP çµç±ã§ããŒã¿ããŒã¹ãããšã³ããªãååŸãããµãŒããšã¯ã©ã€ã¢ã³ã
* BioSQL
* MySQL ã PostgreSQL ãªã©ã®é¢ä¿ããŒã¿ããŒã¹ã«é
åããŒã¿ãæ ŒçŽãã
ããã® schema ãšããšã³ããªãåãåºãããã®ã¡ãœãã
詳现㯠((<URL:http://obda.open-bio.org/>)) ãåç
§ããŠãã ããã
ããããã®ä»æ§æžã¯ cvs.open-bio.org ã® CVSã¬ããžããªã«çœ®ããŠãããŸãã
ãŸãã¯ã((<URL:http://cvs.open-bio.org/cgi-bin/viewcvs/viewcvs.cgi/obda-specs/?cvsroot=obf-common>)) ããåç
§ã§ããŸãã
== BioRegistry
BioRegistryãšã¯ãèšå®ãã¡ã€ã«ã«ãã£ãŠåããŒã¿ããŒã¹ã®ãšã³ããªååŸæ¹æ³ã
æå®ããããšã«ãããã©ããªæ¹æ³ã䜿ã£ãŠããããã»ãšãã©æèããããŒã¿ã
ååŸããããšãå¯èœãšããããã®ä»çµã¿ã§ãã
èšå®ãã¡ã€ã«ã®åªå
é äœã¯
* (ã¡ãœããã®ãã©ã¡ãŒã¿ã§)æå®ãããã¡ã€ã«
* ~/.bioinformatics/seqdatabase.ini
* /etc/bioinformatics/seqdatabase.ini
* http://www.open-bio.org/registry/seqdatabase.ini
æåŸã® open-bio.org ã®èšå®ã¯ãããŒã«ã«ãªèšå®ãã¡ã€ã«ãèŠã€ãããªãå Žåã«
ã ãåç
§ããŸãã
BioRuby ã®çŸåšã®å®è£
ã§ã¯ããã¹ãŠã®ããŒã«ã«ãªèšå®ãã¡ã€ã«ãèªã¿èŸŒã¿ã
åãååã®èšå®ãè€æ°ååšããå Žåã¯ãæåã«èŠã€ãã£ãèšå®ã ãã䜿çšãããŸãã
ãããå©çšãããšãããšãã°ãã·ã¹ãã 管çè
ã /etc/bioinformatics/ ã«çœ®ãã
èšå®ã®ãã¡å人çã«å€æŽããããã®ã ã ~/.bioinformatics/ ã§äžæžãããããšã
ã§ããŸãããµã³ãã«ã® seqdatabase.ini ãã¡ã€ã«ã bioruby ã®ãœãŒã¹ã«å«ãŸããŠ
ããŸãã®ã§åç
§ããŠãã ããã
èšå®ãã¡ã€ã«ã®äžèº«ã¯ stanza ãã©ãŒããããšåŒã°ããæžåŒã§èšè¿°ããŸãã
[ããŒã¿ããŒã¹å]
protocol=ãããã³ã«å
location=ãµãŒãå
ãã®ãããªãšã³ããªãåããŒã¿ããŒã¹ã«ã€ããŠèšè¿°ããããšã«ãªããŸãã
ããŒã¿ããŒã¹åã¯ãèªåã䜿çšããããã®ã©ãã«ãªã®ã§åããããããã®ã
ã€ããã°è¯ããå®éã®ããŒã¿ããŒã¹ã®ååãšç°ãªã£ãŠããŠãæ§ããªãããã§ãã
åãååã®ããŒã¿ããŒã¹ãè€æ°ãããšãã¯æåã«æžãããŠãããã®ããé ã«
æ¥ç¶ã詊ãããã«ä»æ§æžã§ã¯ææ¡ãããŠããŸãããä»ã®ãšãã BioRuby ã§ã¯
ããã«ã¯å¯Ÿå¿ããŠããŸããã
ãŸãããããã³ã«ã®çš®é¡ã«ãã£ãŠã¯ location 以å€ã«ãïŒMySQL ã®ãŠãŒã¶åãªã©ïŒ
远å ã®ãªãã·ã§ã³ãèšè¿°ããå¿
èŠããããŸããçŸåšã®ãšããã仿§æžã§èŠå®ãã
ãŠãã protocol ãšããŠã¯ä»¥äžã®ãã®ããããŸãã
* index-flat
* index-berkeleydb
* biofetch
* biosql
* bsane-corba
* xembl
ä»ã®ãšãã BioRuby ã§äœ¿çšå¯èœãªã®ã¯ index-flat, index-berkleydb, biofetch
ãš biosql ã ãã§ãããŸããBioRegistryãåãããã³ã«ã®ä»æ§ã¯å€æŽãããããš
ããããŸãããBioRubyã¯ããã«è¿œåŸã§ããŠããªããããããŸããã
BioRegistry ã䜿ãã«ã¯ããŸã Bio::Registryãªããžã§ã¯ããäœæããŸãã
ãããšãèšå®ãã¡ã€ã«ãèªã¿èŸŒãŸããŸãã
reg = Bio::Registry.new
# èšå®ãã¡ã€ã«ã«æžããããŒã¿ããŒã¹åã§ãµãŒããžæ¥ç¶
serv = reg.get_database('genbank')
# ID ãæå®ããŠãšã³ããªãååŸ
entry = serv.get_by_id('AA2CG')
ããã§ serv ã¯èšå®ãã¡ã€ã«ã® [genbank] ã®æ¬ã§æå®ãã protocol ãããã³
ã«ã«å¯Ÿå¿ãããµãŒããªããžã§ã¯ãã§ãBio::SQL ã Bio::Fetch ãªã©ã®ã€ã³ã¹ã¿
ã³ã¹ãè¿ã£ãŠããã¯ãã§ãïŒããŒã¿ããŒã¹åãèŠã€ãããªãã£ãå Žå㯠nilïŒã
ããšã¯ OBDA å
±éã®ãšã³ããªååŸã¡ãœãã get_by_id ãåŒãã ãããµãŒããª
ããžã§ã¯ãæ¯ã«åºæã®ã¡ãœãããåŒã¶ããšã«ãªããŸãã®ã§ã以äžã® BioFetch ã
BioSQL ã®è§£èª¬ãåç
§ããŠãã ããã
== BioFlat
BioFlat ã¯ãã©ãããã¡ã€ã«ã«å¯ŸããŠã€ã³ããã¯ã¹ãäœæãããšã³ããªãé«éã«
åãåºãä»çµã¿ã§ããã€ã³ããã¯ã¹ã®çš®é¡ã¯ãRUbyã®æ¡åŒµã©ã€ãã©ãªã«äŸåããªã
index-flat ãš Berkeley DB (bdb) ã䜿ã£ã index-berkeleydb ã®2çš®é¡ãååš
ããŸãããªããindex-berkeleydb ã䜿çšããã«ã¯ãBDB ãšãã Ruby ã®æ¡åŒµ
ã©ã€ãã©ãªãå¥éã€ã³ã¹ããŒã«ããå¿
èŠããããŸããã€ã³ããã¯ã¹ã®äœæã«ã¯
bioruby ããã±ãŒãžã«ä»å±ãã br_bioflat.rb ã³ãã³ãã䜿ã£ãŠã
% br_bioflat.rb --makeindex ããŒã¿ããŒã¹å [--format ã¯ã©ã¹å] ãã¡ã€ã«å
ã®ããã«ããŸããBioRubyã¯ããŒã¿ãã©ãŒãããã®èªåèªèæ©èœãæèŒããŠãã
ã®ã§ --format ãªãã·ã§ã³ã¯çç¥å¯èœã§ãããäžäžããŸãèªèããªãã£ãå Žåã¯
BioRuby ã®åããŒã¿ããŒã¹ã®ã¯ã©ã¹åãæå®ããŠãã ãããæ€çŽ¢ã¯ã
% bioflat ããŒã¿ããŒã¹å ãšã³ããªID
ãšããŸããå
·äœçã« GenBank ã® gbbct*.seq ãã¡ã€ã«ã«ã€ã³ããã¯ã¹ãäœæã
ãŠæ€çŽ¢ããå Žåã
% bioflat --makeindex my_bctdb --format GenBank gbbct*.seq
% bioflat my_bctdb A16STM262
ã®ãããªæãã«ãªããŸãã
Ruby ã® bdb æ¡åŒµã¢ãžã¥ãŒã«(詳现㯠http://raa.ruby-lang.org/project/bdb/ åç
§)
ãã€ã³ã¹ããŒã«ãããŠããå Žå㯠Berkeley DB ãå©çšããŠã€ã³ããã¯ã¹ãäœæãã
ããšãã§ããŸãããã®å Žåã
% bioflat --makeindex-bdb ããŒã¿ããŒã¹å [--format ã¯ã©ã¹å] ãã¡ã€ã«å
ã®ããã« "--makeindex" ã®ãããã« "--makeindex-bdb" ãæå®ããŸãã
== BioFetch
BioFetch 㯠CGI ãçµç±ããŠãµãŒãããããŒã¿ããŒã¹ã®ãšã³ããªãååŸãã仿§
ã§ããµãŒããåãåã CGI ã®ãªãã·ã§ã³åããšã©ãŒã³ãŒããªã©ã決ããããŠã
ãŸããã¯ã©ã€ã¢ã³ã㯠HTTP ã䜿ã£ãŠããŒã¿ããŒã¹ãIDããã©ãŒããããªã©ãæ
å®ãããšã³ããªãååŸããŸãã
BioRuby ãããžã§ã¯ãã§ã¯ GenomeNet ã® DBGET ã·ã¹ãã ãããã¯ãšã³ããšãã
BioFetch ãµãŒããå®è£
ããŠãããbioruby.org ã§éçšããŠããŸãããã®ãµãŒãã®
ãœãŒã¹ã³ãŒã㯠BioRuby ã® sample/ ãã£ã¬ã¯ããªã«å
¥ã£ãŠããŸããçŸåšã®ãšãã
BioFetch ãµãŒãã¯ãã® bioruby.org ã®ãã®ãš EBI ã®äºãæãããããŸããã
BioFetch ã䜿ã£ãŠãšã³ããªãååŸããã«ã¯ãããã€ãã®æ¹æ³ããããŸãã
(1) ãŠã§ããã©ãŠã¶ããæ€çŽ¢ããæ¹æ³ïŒä»¥äžã®ããŒãžãéãïŒ
http://bioruby.org/cgi-bin/biofetch.rb
(2) BioRubyä»å±ã® br_biofetch.rb ã³ãã³ããçšããæ¹æ³
% br_biofetch.rb db_name entry_id
(3) ã¹ã¯ãªããã®äžãã Bio::Fetch ã¯ã©ã¹ãçŽæ¥äœ¿ãæ¹æ³
serv = Bio::Fetch.new(server_url)
entry = serv.fetch(db_name, entry_id)
(4) ã¹ã¯ãªããã®äžã§ BioRegistry çµç±ã§ Bio::Fetch ã¯ã©ã¹ã鿥çã«äœ¿ãæ¹æ³
reg = Bio::Registry.new
serv = reg.get_database('genbank')
entry = serv.get_by_id('AA2CG')
ãã (4) ã䜿ãããå Žå㯠seqdatabase.ini ã§
[genbank]
protocol=biofetch
location=http://bioruby.org/cgi-bin/biofetch.rb
biodbname=genbank
ãªã©ãšæå®ããŠããå¿
èŠããããŸãã
=== BioFetch ãš Bio::KEGG::GENES, Bio::AAindex1 ãçµã¿åãããäŸ
次ã®ããã°ã©ã ã¯ãBioFetch ã䜿ã£ãŠ KEGG ã® GENES ããŒã¿ããŒã¹ããå€çްè
Halobacterium ã®ãã¯ããªã¢ãããã·ã³éºäŒå (VNG1467G) ãåã£ãŠããŠãåã
ããã«ã¢ããé
žææšããŒã¿ããŒã¹ã§ãã AAindex ããååŸããαããªãã¯ã¹ã®
ææš (BURA740101) ã䜿ã£ãŠãå¹
15 æ®åºã®ãŠã£ã³ããŠãµãŒããããäŸã§ãã
#!/usr/bin/env ruby
require 'bio'
entry = Bio::Fetch.query('hal', 'VNG1467G')
aaseq = Bio::KEGG::GENES.new(entry).aaseq
entry = Bio::Fetch.query('aax1', 'BURA740101')
helix = Bio::AAindex1.new(entry).index
position = 1
win_size = 15
aaseq.window_search(win_size) do |subseq|
score = subseq.total(helix)
puts [ position, score ].join("\t")
position += 1
end
ããã§äœ¿ã£ãŠããã¯ã©ã¹ã¡ãœãã Bio::Fetch.query ã¯æé»ã« bioruby.org ã®
BioFetch ãµãŒãã䜿ãå°çšã®ã·ã§ãŒãã«ããã§ããïŒãã®ãµãŒãã¯å
éšçã«ã¯
ã²ãã ãããããããŒã¿ãååŸããŠããŸããKEGG/GENES ããŒã¿ããŒã¹ã® hal ã
AAindex ããŒã¿ããŒã¹ aax1 ã®ãšã³ããªã¯ãä»ã® BioFetch ãµãŒãã§ã¯ååŸã§ã
ãªãããšããã£ãŠããã㊠query ã¡ãœããã䜿ã£ãŠããŸããïŒ
== BioSQL
to be written...
== BioRuby ã®ãµã³ãã«ããã°ã©ã ã®äœ¿ãæ¹
BioRuby ã®ããã±ãŒãžã«ã¯ samples/ ãã£ã¬ã¯ããªä»¥äžã«ããã€ãã®ãµã³ãã«ã
ãã°ã©ã ãå«ãŸããŠããŸããå€ããã®ãæ··ãã£ãŠããŸãããéããšãŠãååãšã¯
èšããªãã®ã§ãå®çšçã§é¢çœããµã³ãã«ã®æäŸã¯æè¿ã§ãã
to be written...
== ãããªãæ
å ±
ä»ã®ãã¥ãŒããªã¢ã«çãªããã¥ã¡ã³ããšããŠã¯ãBioRuby Wikiã«çœ®ããŠãã
BioRuby in Anger ããããŸãã
== èæ³š
* (â»1) BioRuby 1.2.1 以åã®ããŒãžã§ã³ã§ã¯ãsetup.rb ã®ãããã« install.rb
ã䜿çšããŸãããŸãã以äžã®ããã«3段éãèžãå¿
èŠããããŸãã
% ruby install.rb config
% ruby install.rb setup
# ruby install.rb install
* (â»2) BioRuby 1.0.0 以åã®ããŒãžã§ã³ã§ã¯ãgetseq, getent, getobj
ã®åã³ãã³ãã®ãããã«ãseq, ent, obj ã®åã³ãã³ãã䜿çšããŠãã ããã
* (â»3) BioRuby 0.7.1 以åã®ããŒãžã§ã³ã§ã¯ãBio::Sequence::NA ã¯ã©ã¹ãã
Bio::sequence::AA ã¯ã©ã¹ã®ã©ã¡ããã®ãªããžã§ã¯ãã«ãªããŸãã
é
åãã©ã¡ãã®ã¯ã©ã¹ã«å±ããã㯠Ruby ã® class ã¡ãœãããçšããŠ
bioruby> p cdc2.class
Bio::Sequence::AA
bioruby> p psaB.class
Bio::Sequence::NA
ã®ããã«èª¿ã¹ãããšãã§ããŸããèªåå€å®ãééã£ãŠããå Žåãªã©ã«ã¯
to_naseq, to_aaseq ã¡ãœããã§åŒ·å¶çã«å€æã§ããŸãã
* (â»4) seq ã¡ãœããã¯ãèªã¿èŸŒãã ããŒã¿ã®çš®é¡ã«ãã£ãŠã¯ãå¡©åºã»ã¢ããé
žã®
ã©ã¡ãã«ãåœãŠã¯ãŸããªãé
åã®ããã® Bio::Sequence::Generic ã¯ã©ã¹ã
String ã¯ã©ã¹ã®ãªããžã§ã¯ããè¿ãå ŽåããããããããŸããã
* (â»5) NCBI, EBI, TogoWS ãç¹å¥ãªèšå®ç¡ãã« getseq, getent, getobj ã³ãã³ã
ããå©çšå¯èœãšãªã£ãã®ã¯ BioRuby 1.3.0 以éã§ãã
=end
|