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<HTML>
<HEAD>
<TITLE>
EMBOSS: extractseq
</TITLE>
</HEAD>
<BODY BGCOLOR="#FFFFFF" text="#000000">
<table align=center border=0 cellspacing=0 cellpadding=0>
<tr><td valign=top>
<A HREF="/" ONMOUSEOVER="self.status='Go to the EMBOSS home page';return true"><img border=0 src="emboss_icon.jpg" alt="" width=150 height=48></a>
</td>
<td align=left valign=middle>
<b><font size="+6">
extractseq
</font></b>
</td></tr>
</table>
<br>
<p>
<H2>
Function
</H2>
Extract regions from a sequence
<H2>
Description
</H2>
<b>extractseq</b> allows you to specify one or more regions of a sequence to
extract sub-sequences from to build up a contiguous resulting sequence.
<p>
This is modelled on the cell's process of splicing out exons from
mRNA, but the program is generally applicable to any cutting and
splicing or editing operation on a single sequence.
<p>
<b>extractseq</b> reads in a sequence and a set of regions of that
sequence as specified by pairs of start and end positions (either on the
command-line or contained in a file) and writes out the specified
regions of the input sequence in the order in which they have been
specified. Thus, if the sequence "AAAGGGTTT" has been input and the
regions: "7-9, 3-4" have been specified, then the output sequence will
be: "TTTAG".
<H2>
Usage
</H2>
<b>Here is a sample session with extractseq</b>
<p>
Extract the region from position 10 to 20:
<p>
<p>
<table width="90%"><tr><td bgcolor="#CCFFFF"><pre>
% <b>extractseq tembl:x65923 result.seq -regions '10-20' </b>
Extract regions from a sequence
</pre></td></tr></table><p>
<p>
<a href="#input.1">Go to the input files for this example</a><br><a href="#output.1">Go to the output files for this example</a><p><p>
<p>
<b>Example 2</b>
<p>
Extract the regions 10 to 20, 30 to 45, 533 to 537:
<p>
<p>
<table width="90%"><tr><td bgcolor="#CCFFFF"><pre>
% <b>extractseq tembl:x65921 result2.seq -regions '10-20 30-45 533-537' </b>
Extract regions from a sequence
</pre></td></tr></table><p>
<p>
<a href="#input.2">Go to the input files for this example</a><br><a href="#output.2">Go to the output files for this example</a><p><p>
<p>
<b>Example 3</b>
<p>
Extract the regions 782-856, 951-1095, 1557-1612 and 1787-1912:
<p>
<p>
<table width="90%"><tr><td bgcolor="#CCFFFF"><pre>
% <b>extractseq tembl:x65921 -reg "782..856,951..1095,1557..1612,1787..1912" stdout </b>
Extract regions from a sequence
>X65921 X65921.1 H.sapiens fau 1 gene
atgcagctctttgtccgcgcccaggagctacacaccttcgaggtgaccggccaggaaacg
gtcgcccagatcaaggctcatgtagcctcactggagggcattgccccggaagatcaagtc
gtgctcctggcaggcgcgcccctggaggatgaggccactctgggccagtgcggggtggag
gccctgactaccctggaagtagcaggccgcatgcttggaggtaaagtccatggttccctg
gcccgtgctggaaaagtgagaggtcagactcctaaggtggccaaacaggagaagaagaag
aagaagacaggtcgggctaagcggcggatgcagtacaaccggcgctttgtcaacgttgtg
cccacctttggcaagaagaagggccccaatgccaactcttaa
</pre></td></tr></table><p>
<p>
<p>
<p>
<b>Example 4</b>
<p>
Extract the regions 782-856, 951-1095, 1557-1612 and 1787-1912 all to separate output sequences:
<p>
<p>
<table width="90%"><tr><td bgcolor="#CCFFFF"><pre>
% <b>extractseq tembl:x65921 -reg "782..856,951..1095,1557..1612,1787..1912" stdout -separate </b>
Extract regions from a sequence
>X65921_782_856 H.sapiens fau 1 gene
atgcagctctttgtccgcgcccaggagctacacaccttcgaggtgaccggccaggaaacg
gtcgcccagatcaag
>X65921_951_1095 H.sapiens fau 1 gene
gctcatgtagcctcactggagggcattgccccggaagatcaagtcgtgctcctggcaggc
gcgcccctggaggatgaggccactctgggccagtgcggggtggaggccctgactaccctg
gaagtagcaggccgcatgcttggag
>X65921_1557_1612 H.sapiens fau 1 gene
gtaaagtccatggttccctggcccgtgctggaaaagtgagaggtcagactcctaag
>X65921_1787_1912 H.sapiens fau 1 gene
gtggccaaacaggagaagaagaagaagaagacaggtcgggctaagcggcggatgcagtac
aaccggcgctttgtcaacgttgtgcccacctttggcaagaagaagggccccaatgccaac
tcttaa
</pre></td></tr></table><p>
<p>
<p>
<H2>
Command line arguments
</H2>
<table CELLSPACING=0 CELLPADDING=3 BGCOLOR="#f5f5ff" ><tr><td>
<pre>
Standard (Mandatory) qualifiers:
[-sequence] sequence Sequence filename and optional format, or
reference (input USA)
-regions range [Whole sequence] Regions to extract.
A set of regions is specified by a set of
pairs of positions.
The positions are integers.
They are separated by any non-digit,
non-alpha character.
Examples of region specifications are:
24-45, 56-78
1:45, 67=99;765..888
1,5,8,10,23,45,57,99
[-outseq] seqoutall [<sequence>.<format>] Sequence set(s)
filename and optional format (output USA)
Additional (Optional) qualifiers:
-separate boolean [N] If this is set true then each specified
region is written out as a separate
sequence. The name of the sequence is
created from the name of the original
sequence with the start and end positions of
the range appended with underscore
characters between them, eg: XYZ region 2 to
34 is written as: XYZ_2_34
Advanced (Unprompted) qualifiers: (none)
Associated qualifiers:
"-sequence" associated qualifiers
-sbegin1 integer Start of the sequence to be used
-send1 integer End of the sequence to be used
-sreverse1 boolean Reverse (if DNA)
-sask1 boolean Ask for begin/end/reverse
-snucleotide1 boolean Sequence is nucleotide
-sprotein1 boolean Sequence is protein
-slower1 boolean Make lower case
-supper1 boolean Make upper case
-sformat1 string Input sequence format
-sdbname1 string Database name
-sid1 string Entryname
-ufo1 string UFO features
-fformat1 string Features format
-fopenfile1 string Features file name
"-outseq" associated qualifiers
-osformat2 string Output seq format
-osextension2 string File name extension
-osname2 string Base file name
-osdirectory2 string Output directory
-osdbname2 string Database name to add
-ossingle2 boolean Separate file for each entry
-oufo2 string UFO features
-offormat2 string Features format
-ofname2 string Features file name
-ofdirectory2 string Output directory
General qualifiers:
-auto boolean Turn off prompts
-stdout boolean Write standard output
-filter boolean Read standard input, write standard output
-options boolean Prompt for standard and additional values
-debug boolean Write debug output to program.dbg
-verbose boolean Report some/full command line options
-help boolean Report command line options. More
information on associated and general
qualifiers can be found with -help -verbose
-warning boolean Report warnings
-error boolean Report errors
-fatal boolean Report fatal errors
-die boolean Report dying program messages
</pre>
</td></tr></table>
<P>
<table border cellspacing=0 cellpadding=3 bgcolor="#ccccff">
<tr bgcolor="#FFFFCC">
<th align="left" colspan=2>Standard (Mandatory) qualifiers</th>
<th align="left">Allowed values</th>
<th align="left">Default</th>
</tr>
<tr>
<td>[-sequence]<br>(Parameter 1)</td>
<td>Sequence filename and optional format, or reference (input USA)</td>
<td>Readable sequence</td>
<td><b>Required</b></td>
</tr>
<tr>
<td>-regions</td>
<td>Regions to extract.
A set of regions is specified by a set of pairs of positions.
The positions are integers.
They are separated by any non-digit, non-alpha character.
Examples of region specifications are:
24-45, 56-78
1:45, 67=99;765..888
1,5,8,10,23,45,57,99</td>
<td>Sequence range</td>
<td>Whole sequence</td>
</tr>
<tr>
<td>[-outseq]<br>(Parameter 2)</td>
<td>Sequence set(s) filename and optional format (output USA)</td>
<td>Writeable sequence(s)</td>
<td><i><*></i>.<i>format</i></td>
</tr>
<tr bgcolor="#FFFFCC">
<th align="left" colspan=2>Additional (Optional) qualifiers</th>
<th align="left">Allowed values</th>
<th align="left">Default</th>
</tr>
<tr>
<td>-separate</td>
<td>If this is set true then each specified region is written out as a separate sequence. The name of the sequence is created from the name of the original sequence with the start and end positions of the range appended with underscore characters between them, eg: XYZ region 2 to 34 is written as: XYZ_2_34</td>
<td>Boolean value Yes/No</td>
<td>No</td>
</tr>
<tr bgcolor="#FFFFCC">
<th align="left" colspan=2>Advanced (Unprompted) qualifiers</th>
<th align="left">Allowed values</th>
<th align="left">Default</th>
</tr>
<tr>
<td colspan=4>(none)</td>
</tr>
</table>
<H2>
Input file format
</H2>
<b>extractseq</b> reads a normal sequence USA.
<p>
<a name="input.1"></a>
<h3>Input files for usage example </h3>
'tembl:x65923' is a sequence entry in the example nucleic acid database 'tembl'
<p>
<p><h3>Database entry: tembl:x65923</h3>
<table width="90%"><tr><td bgcolor="#FFCCFF">
<pre>
ID X65923; SV 1; linear; mRNA; STD; HUM; 518 BP.
XX
AC X65923;
XX
DT 13-MAY-1992 (Rel. 31, Created)
DT 18-APR-2005 (Rel. 83, Last updated, Version 11)
XX
DE H.sapiens fau mRNA
XX
KW fau gene.
XX
OS Homo sapiens (human)
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae;
OC Homo.
XX
RN [1]
RP 1-518
RA Michiels L.M.R.;
RT ;
RL Submitted (29-APR-1992) to the EMBL/GenBank/DDBJ databases.
RL L.M.R. Michiels, University of Antwerp, Dept of Biochemistry,
RL Universiteisplein 1, 2610 Wilrijk, BELGIUM
XX
RN [2]
RP 1-518
RX PUBMED; 8395683.
RA Michiels L., Van der Rauwelaert E., Van Hasselt F., Kas K., Merregaert J.;
RT " fau cDNA encodes a ubiquitin-like-S30 fusion protein and is expressed as
RT an antisense sequences in the Finkel-Biskis-Reilly murine sarcoma virus";
RL Oncogene 8(9):2537-2546(1993).
XX
DR H-InvDB; HIT000322806.
XX
FH Key Location/Qualifiers
FH
FT source 1..518
FT /organism="Homo sapiens"
FT /chromosome="11q"
FT /map="13"
FT /mol_type="mRNA"
FT /clone_lib="cDNA"
FT /clone="pUIA 631"
FT /tissue_type="placenta"
FT /db_xref="taxon:9606"
FT misc_feature 57..278
FT /note="ubiquitin like part"
FT CDS 57..458
FT /gene="fau"
FT /db_xref="GDB:135476"
FT /db_xref="GOA:P35544"
FT /db_xref="GOA:P62861"
FT /db_xref="HGNC:3597"
FT /db_xref="UniProtKB/Swiss-Prot:P35544"
FT /db_xref="UniProtKB/Swiss-Prot:P62861"
FT /protein_id="CAA46716.1"
FT /translation="MQLFVRAQELHTFEVTGQETVAQIKAHVASLEGIAPEDQVVLLAG
FT APLEDEATLGQCGVEALTTLEVAGRMLGGKVHGSLARAGKVRGQTPKVAKQEKKKKKTG
FT RAKRRMQYNRRFVNVVPTFGKKKGPNANS"
FT misc_feature 98..102
FT /note="nucleolar localization signal"
FT misc_feature 279..458
FT /note="S30 part"
FT polyA_signal 484..489
FT polyA_site 509
XX
SQ Sequence 518 BP; 125 A; 139 C; 148 G; 106 T; 0 other;
ttcctctttc tcgactccat cttcgcggta gctgggaccg ccgttcagtc gccaatatgc 60
agctctttgt ccgcgcccag gagctacaca ccttcgaggt gaccggccag gaaacggtcg 120
cccagatcaa ggctcatgta gcctcactgg agggcattgc cccggaagat caagtcgtgc 180
tcctggcagg cgcgcccctg gaggatgagg ccactctggg ccagtgcggg gtggaggccc 240
tgactaccct ggaagtagca ggccgcatgc ttggaggtaa agttcatggt tccctggccc 300
gtgctggaaa agtgagaggt cagactccta aggtggccaa acaggagaag aagaagaaga 360
agacaggtcg ggctaagcgg cggatgcagt acaaccggcg ctttgtcaac gttgtgccca 420
cctttggcaa gaagaagggc cccaatgcca actcttaagt cttttgtaat tctggctttc 480
tctaataaaa aagccactta gttcagtcaa aaaaaaaa 518
//
</pre>
</td></tr></table><p>
<a name="input.2"></a>
<h3>Input files for usage example 2</h3>
<p><h3>Database entry: tembl:x65921</h3>
<table width="90%"><tr><td bgcolor="#FFCCFF">
<pre>
ID X65921; SV 1; linear; genomic DNA; STD; HUM; 2016 BP.
XX
AC X65921; S45242;
XX
DT 13-MAY-1992 (Rel. 31, Created)
DT 14-NOV-2006 (Rel. 89, Last updated, Version 7)
XX
DE H.sapiens fau 1 gene
XX
KW fau 1 gene.
XX
OS Homo sapiens (human)
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae;
OC Homo.
XX
RN [1]
RP 1-2016
RA Kas K.;
RT ;
RL Submitted (29-APR-1992) to the EMBL/GenBank/DDBJ databases.
RL K. Kas, University of Antwerp, Dept of Biochemistry T3.22,
RL Universiteitsplein 1, 2610 Wilrijk, BELGIUM
XX
RN [2]
RP 1-2016
RX DOI; 10.1016/0006-291X(92)91286-Y.
RX PUBMED; 1326960.
RA Kas K., Michiels L., Merregaert J.;
RT "Genomic structure and expression of the human fau gene: encoding the
RT ribosomal protein S30 fused to a ubiquitin-like protein.";
RL Biochem. Biophys. Res. Commun. 187(2):927-933(1992).
XX
DR GDB; 191789.
DR GDB; 191790.
DR GDB; 354872.
DR GDB; 4590236.
XX
FH Key Location/Qualifiers
FH
FT source 1..2016
FT /organism="Homo sapiens"
FT /mol_type="genomic DNA"
FT /clone_lib="CML cosmid"
FT /clone="15.1"
FT /db_xref="taxon:9606"
FT mRNA join(408..504,774..856,951..1095,1557..1612,1787..>1912)
FT /gene="fau 1"
FT exon 408..504
FT /number=1
<font color=red> [Part of this file has been deleted for brevity]</font>
FT RAKRRMQYNRRFVNVVPTFGKKKGPNANS"
FT intron 857..950
FT /number=2
FT exon 951..1095
FT /number=3
FT intron 1096..1556
FT /number=3
FT exon 1557..1612
FT /number=4
FT intron 1613..1786
FT /number=4
FT exon 1787..>1912
FT /number=5
FT polyA_signal 1938..1943
XX
SQ Sequence 2016 BP; 421 A; 562 C; 538 G; 495 T; 0 other;
ctaccatttt ccctctcgat tctatatgta cactcgggac aagttctcct gatcgaaaac 60
ggcaaaacta aggccccaag taggaatgcc ttagttttcg gggttaacaa tgattaacac 120
tgagcctcac acccacgcga tgccctcagc tcctcgctca gcgctctcac caacagccgt 180
agcccgcagc cccgctggac accggttctc catccccgca gcgtagcccg gaacatggta 240
gctgccatct ttacctgcta cgccagcctt ctgtgcgcgc aactgtctgg tcccgccccg 300
tcctgcgcga gctgctgccc aggcaggttc gccggtgcga gcgtaaaggg gcggagctag 360
gactgccttg ggcggtacaa atagcaggga accgcgcggt cgctcagcag tgacgtgaca 420
cgcagcccac ggtctgtact gacgcgccct cgcttcttcc tctttctcga ctccatcttc 480
gcggtagctg ggaccgccgt tcaggtaaga atggggcctt ggctggatcc gaagggcttg 540
tagcaggttg gctgcggggt cagaaggcgc ggggggaacc gaagaacggg gcctgctccg 600
tggccctgct ccagtcccta tccgaactcc ttgggaggca ctggccttcc gcacgtgagc 660
cgccgcgacc accatcccgt cgcgatcgtt tctggaccgc tttccactcc caaatctcct 720
ttatcccaga gcatttcttg gcttctctta caagccgtct tttctttact cagtcgccaa 780
tatgcagctc tttgtccgcg cccaggagct acacaccttc gaggtgaccg gccaggaaac 840
ggtcgcccag atcaaggtaa ggctgcttgg tgcgccctgg gttccatttt cttgtgctct 900
tcactctcgc ggcccgaggg aacgcttacg agccttatct ttccctgtag gctcatgtag 960
cctcactgga gggcattgcc ccggaagatc aagtcgtgct cctggcaggc gcgcccctgg 1020
aggatgaggc cactctgggc cagtgcgggg tggaggccct gactaccctg gaagtagcag 1080
gccgcatgct tggaggtgag tgagagagga atgttctttg aagtaccggt aagcgtctag 1140
tgagtgtggg gtgcatagtc ctgacagctg agtgtcacac ctatggtaat agagtacttc 1200
tcactgtctt cagttcagag tgattcttcc tgtttacatc cctcatgttg aacacagacg 1260
tccatgggag actgagccag agtgtagttg tatttcagtc acatcacgag atcctagtct 1320
ggttatcagc ttccacacta aaaattaggt cagaccaggc cccaaagtgc tctataaatt 1380
agaagctgga agatcctgaa atgaaactta agatttcaag gtcaaatatc tgcaactttg 1440
ttctcattac ctattgggcg cagcttctct ttaaaggctt gaattgagaa aagaggggtt 1500
ctgctgggtg gcaccttctt gctcttacct gctggtgcct tcctttccca ctacaggtaa 1560
agtccatggt tccctggccc gtgctggaaa agtgagaggt cagactccta aggtgagtga 1620
gagtattagt ggtcatggtg ttaggacttt ttttcctttc acagctaaac caagtccctg 1680
ggctcttact cggtttgcct tctccctccc tggagatgag cctgagggaa gggatgctag 1740
gtgtggaaga caggaaccag ggcctgatta accttccctt ctccaggtgg ccaaacagga 1800
gaagaagaag aagaagacag gtcgggctaa gcggcggatg cagtacaacc ggcgctttgt 1860
caacgttgtg cccacctttg gcaagaagaa gggccccaat gccaactctt aagtcttttg 1920
taattctggc tttctctaat aaaaaagcca cttagttcag tcatcgcatt gtttcatctt 1980
tacttgcaag gcctcaggga gaggtgtgct tctcgg 2016
//
</pre>
</td></tr></table><p>
<p>
You can specifiy a file of ranges to extract by giving the '-regions'
qualifier the value '@' followed by the name of the file containing the
ranges. (eg: '-regions @myfile').
<p>
The format of the range file is:
<ul>
<li>Comment lines start with '#' in the first column.
<li>Comment lines and blank lines are ignored.
<li>The line may start with white-space.
<li>There are two positive (integer) numbers per line separated by one or
more space or TAB characters.
<li>The second number must be greater or equal to the first number.
<li>There can be optional text after the two numbers to annotate the line.
<li>White-space before or after the text is removed.
</ul>
<p>
An example range file is:
<pre>
# this is my set of ranges
12 23
4 5 this is like 12-23, but smaller
67 10348 interesting region
</pre>
<H2>
Output file format
</H2>
The output is a normal sequence file.
<p>
<a name="output.1"></a>
<h3>Output files for usage example </h3>
<p><h3>File: result.seq</h3>
<table width="90%"><tr><td bgcolor="#CCFFCC">
<pre>
>X65923 X65923.1 H.sapiens fau mRNA
ctcgactccat
</pre>
</td></tr></table><p>
<a name="output.2"></a>
<h3>Output files for usage example 2</h3>
<p><h3>File: result2.seq</h3>
<table width="90%"><tr><td bgcolor="#CCFFCC">
<pre>
>X65921 X65921.1 H.sapiens fau 1 gene
tccctctcgatacactcgggacaagttagggc
</pre>
</td></tr></table><p>
<p>
If the option '-separate' is used then each specified region is written
to the output file as a separate sequence. The name of the sequence is
created from the name of the original sequence with the start and end
positions of the range appended with underscore characters between them,
<p>
For example: "XYZ region 2 to 34" is written as: "XYZ_2_34"
<H2>
Data files
</H2>
None.
<H2>
Notes
</H2>
None.
<H2>
References
</H2>
None.
<H2>
Warnings
</H2>
None.
<H2>
Diagnostic Error Messages
</H2>
Several warning messages about malformed region specifications:
<ul>
<li> Non-digit found in region ...
<li> Unpaired start of a region found in ...
<li> Non-digit found in region ...
<li> The start of a pair of region positions must be smaller than the
end in ...
</ul>
<H2>
Exit status
</H2>
It exits with status 0, unless a region is badly constructed.
<H2>
Known bugs
</H2>
None noted.
<H2>
Comments
</H2>
<h2><a name="See also">See also</a></h2>
<table border cellpadding=4 bgcolor="#FFFFF0">
<tr><th>Program name</th><th>Description</th></tr>
<tr>
<td><a href="biosed.html">biosed</a></td>
<td>Replace or delete sequence sections</td>
</tr>
<tr>
<td><a href="codcopy.html">codcopy</a></td>
<td>Reads and writes a codon usage table</td>
</tr>
<tr>
<td><a href="cutseq.html">cutseq</a></td>
<td>Removes a specified section from a sequence</td>
</tr>
<tr>
<td><a href="degapseq.html">degapseq</a></td>
<td>Removes gap characters from sequences</td>
</tr>
<tr>
<td><a href="descseq.html">descseq</a></td>
<td>Alter the name or description of a sequence</td>
</tr>
<tr>
<td><a href="entret.html">entret</a></td>
<td>Reads and writes (returns) flatfile entries</td>
</tr>
<tr>
<td><a href="extractalign.html">extractalign</a></td>
<td>Extract regions from a sequence alignment</td>
</tr>
<tr>
<td><a href="extractfeat.html">extractfeat</a></td>
<td>Extract features from a sequence</td>
</tr>
<tr>
<td><a href="listor.html">listor</a></td>
<td>Write a list file of the logical OR of two sets of sequences</td>
</tr>
<tr>
<td><a href="makenucseq.html">makenucseq</a></td>
<td>Creates random nucleotide sequences</td>
</tr>
<tr>
<td><a href="makeprotseq.html">makeprotseq</a></td>
<td>Creates random protein sequences</td>
</tr>
<tr>
<td><a href="maskfeat.html">maskfeat</a></td>
<td>Mask off features of a sequence</td>
</tr>
<tr>
<td><a href="maskseq.html">maskseq</a></td>
<td>Mask off regions of a sequence</td>
</tr>
<tr>
<td><a href="newseq.html">newseq</a></td>
<td>Type in a short new sequence</td>
</tr>
<tr>
<td><a href="noreturn.html">noreturn</a></td>
<td>Removes carriage return from ASCII files</td>
</tr>
<tr>
<td><a href="notseq.html">notseq</a></td>
<td>Exclude a set of sequences and write out the remaining ones</td>
</tr>
<tr>
<td><a href="nthseq.html">nthseq</a></td>
<td>Writes one sequence from a multiple set of sequences</td>
</tr>
<tr>
<td><a href="pasteseq.html">pasteseq</a></td>
<td>Insert one sequence into another</td>
</tr>
<tr>
<td><a href="revseq.html">revseq</a></td>
<td>Reverse and complement a sequence</td>
</tr>
<tr>
<td><a href="seqret.html">seqret</a></td>
<td>Reads and writes (returns) sequences</td>
</tr>
<tr>
<td><a href="seqretsplit.html">seqretsplit</a></td>
<td>Reads and writes (returns) sequences in individual files</td>
</tr>
<tr>
<td><a href="skipseq.html">skipseq</a></td>
<td>Reads and writes (returns) sequences, skipping first few</td>
</tr>
<tr>
<td><a href="splitter.html">splitter</a></td>
<td>Split a sequence into (overlapping) smaller sequences</td>
</tr>
<tr>
<td><a href="trimest.html">trimest</a></td>
<td>Trim poly-A tails off EST sequences</td>
</tr>
<tr>
<td><a href="trimseq.html">trimseq</a></td>
<td>Trim ambiguous bits off the ends of sequences</td>
</tr>
<tr>
<td><a href="union.html">union</a></td>
<td>Reads sequence fragments and builds one sequence</td>
</tr>
<tr>
<td><a href="vectorstrip.html">vectorstrip</a></td>
<td>Strips out DNA between a pair of vector sequences</td>
</tr>
<tr>
<td><a href="yank.html">yank</a></td>
<td>Reads a sequence range, appends the full USA to a list file</td>
</tr>
</table>
<H2>
Author(s)
</H2>
Gary Williams (gwilliam © rfcgr.mrc.ac.uk)
<br>
MRC Rosalind Franklin Centre for Genomics Research
Wellcome Trust Genome Campus, Hinxton, Cambridge, CB10 1SB, UK
<H2>
History
</H2>
Written (2000) - Gary Williams
<H2>
Target users
</H2>
This program is intended to be used by everyone and everything, from naive users to embedded scripts.
<H2>
Comments
</H2>
None
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