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<HTML>
<HEAD>
<TITLE>
EMBOSS: dotmatcher
</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">
dotmatcher
</font></b>
</td></tr>
</table>
<br>
<p>
<H2>
Function
</H2>
Displays a thresholded dotplot of two sequences
<H2>
Description
</H2>
A dotplot is a graphical representation of the regions of similarity
between two sequences.
<p>
The two sequences are placed on the axes of a rectangular image and
(subject to threshold conditions) wherever there is a similarity between
the sequences a dot is placed on the image.
<p>
Where the two sequences have substantial regions of similarity, many
dots align to form diagonal lines. It is therefore possible to see at a
glance where there are local regions of similarity as these will have
long diagonal lines. It is also easy to see other features such as
repeats (which form parallel diagonal lines), and insertions or
deletions (which form breaks or discontinuities in the diagonal lines).
<p>
<b>dotmatcher</b> uses a threshold to define whether a match is plotted
(calculated from the substitution matrix). A window of specified length
is moved up all possible diagonals and a score is calculated within each
window for each position along the diagonals. The score is the sum of
the comparisons of the two sequences using the given similarity matrix
along the window. If the score is above the threshold, then a line is
plotted on the image over the position of the window.
<p>
<H2>
Usage
</H2>
<b>Here is a sample session with dotmatcher</b>
<p>
<p>
<table width="90%"><tr><td bgcolor="#CCFFFF"><pre>
% <b>dotmatcher tsw:hba_human tsw:hbb_human -graph cps </b>
Displays a thresholded dotplot of two sequences
Created dotmatcher.ps
</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>
<H2>
Command line arguments
</H2>
<table CELLSPACING=0 CELLPADDING=3 BGCOLOR="#f5f5ff" ><tr><td>
<pre>
Standard (Mandatory) qualifiers (* if not always prompted):
[-asequence] sequence Sequence filename and optional format, or
reference (input USA)
[-bsequence] sequence Sequence filename and optional format, or
reference (input USA)
* -graph graph [$EMBOSS_GRAPHICS value, or x11] Graph type
(ps, hpgl, hp7470, hp7580, meta, cps, x11,
tekt, tek, none, data, xterm, png, gif)
* -xygraph xygraph [$EMBOSS_GRAPHICS value, or x11] Graph type
(ps, hpgl, hp7470, hp7580, meta, cps, x11,
tekt, tek, none, data, xterm, png, gif)
Additional (Optional) qualifiers:
-matrixfile matrix [EBLOSUM62 for protein, EDNAFULL for DNA]
This is the scoring matrix file used when
comparing sequences. By default it is the
file 'EBLOSUM62' (for proteins) or the file
'EDNAFULL' (for nucleic sequences). These
files are found in the 'data' directory of
the EMBOSS installation.
-windowsize integer [10] Window size over which to test
threshhold (Integer 3 or more)
-threshold integer [23] Threshold (Integer 0 or more)
Advanced (Unprompted) qualifiers:
-stretch toggle [N] Display a non-proportional graph
Associated qualifiers:
"-asequence" 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
"-bsequence" associated qualifiers
-sbegin2 integer Start of the sequence to be used
-send2 integer End of the sequence to be used
-sreverse2 boolean Reverse (if DNA)
-sask2 boolean Ask for begin/end/reverse
-snucleotide2 boolean Sequence is nucleotide
-sprotein2 boolean Sequence is protein
-slower2 boolean Make lower case
-supper2 boolean Make upper case
-sformat2 string Input sequence format
-sdbname2 string Database name
-sid2 string Entryname
-ufo2 string UFO features
-fformat2 string Features format
-fopenfile2 string Features file name
"-graph" associated qualifiers
-gprompt boolean Graph prompting
-gdesc string Graph description
-gtitle string Graph title
-gsubtitle string Graph subtitle
-gxtitle string Graph x axis title
-gytitle string Graph y axis title
-goutfile string Output file for non interactive displays
-gdirectory string Output directory
"-xygraph" associated qualifiers
-gprompt boolean Graph prompting
-gdesc string Graph description
-gtitle string Graph title
-gsubtitle string Graph subtitle
-gxtitle string Graph x axis title
-gytitle string Graph y axis title
-goutfile string Output file for non interactive displays
-gdirectory 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>[-asequence]<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>[-bsequence]<br>(Parameter 2)</td>
<td>Sequence filename and optional format, or reference (input USA)</td>
<td>Readable sequence</td>
<td><b>Required</b></td>
</tr>
<tr>
<td>-graph</td>
<td>Graph type</td>
<td>EMBOSS has a list of known devices, including ps, hpgl, hp7470, hp7580, meta, cps, x11, tekt, tek, none, data, xterm, png, gif</td>
<td><i>EMBOSS_GRAPHICS</i> value, or x11</td>
</tr>
<tr>
<td>-xygraph</td>
<td>Graph type</td>
<td>EMBOSS has a list of known devices, including ps, hpgl, hp7470, hp7580, meta, cps, x11, tekt, tek, none, data, xterm, png, gif</td>
<td><i>EMBOSS_GRAPHICS</i> value, or x11</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>-matrixfile</td>
<td>This is the scoring matrix file used when comparing sequences. By default it is the file 'EBLOSUM62' (for proteins) or the file 'EDNAFULL' (for nucleic sequences). These files are found in the 'data' directory of the EMBOSS installation.</td>
<td>Comparison matrix file in EMBOSS data path</td>
<td>EBLOSUM62 for protein<br>EDNAFULL for DNA</td>
</tr>
<tr>
<td>-windowsize</td>
<td>Window size over which to test threshhold</td>
<td>Integer 3 or more</td>
<td>10</td>
</tr>
<tr>
<td>-threshold</td>
<td>Threshold</td>
<td>Integer 0 or more</td>
<td>23</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>-stretch</td>
<td>Display a non-proportional graph</td>
<td>Toggle value Yes/No</td>
<td>No</td>
</tr>
</table>
<H2>
Input file format
</H2>
Any 2 sequence USAs of the same type (DNA or protein).
<p>
<a name="input.1"></a>
<h3>Input files for usage example </h3>
'tsw:hba_human' is a sequence entry in the example protein database 'tsw'
<p>
<p><h3>Database entry: tsw:hba_human</h3>
<table width="90%"><tr><td bgcolor="#FFCCFF">
<pre>
ID HBA_HUMAN Reviewed; 142 AA.
AC P69905; P01922; Q96KF1; Q9NYR7;
DT 21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT 23-JAN-2007, sequence version 2.
DT 03-APR-2007, entry version 41.
DE Hemoglobin subunit alpha (Hemoglobin alpha chain) (Alpha-globin).
GN Name=HBA1;
GN and
GN Name=HBA2;
OS Homo sapiens (Human).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini;
OC Catarrhini; Hominidae; Homo.
OX NCBI_TaxID=9606;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA] (HBA1).
RX MEDLINE=81088339; PubMed=7448866; DOI=10.1016/0092-8674(80)90347-5;
RA Michelson A.M., Orkin S.H.;
RT "The 3' untranslated regions of the duplicated human alpha-globin
RT genes are unexpectedly divergent.";
RL Cell 22:371-377(1980).
RN [2]
RP NUCLEOTIDE SEQUENCE [MRNA] (HBA2).
RX MEDLINE=80137531; PubMed=6244294;
RA Wilson J.T., Wilson L.B., Reddy V.B., Cavallesco C., Ghosh P.K.,
RA Deriel J.K., Forget B.G., Weissman S.M.;
RT "Nucleotide sequence of the coding portion of human alpha globin
RT messenger RNA.";
RL J. Biol. Chem. 255:2807-2815(1980).
RN [3]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA] (HBA2).
RX MEDLINE=81175088; PubMed=6452630;
RA Liebhaber S.A., Goossens M.J., Kan Y.W.;
RT "Cloning and complete nucleotide sequence of human 5'-alpha-globin
RT gene.";
RL Proc. Natl. Acad. Sci. U.S.A. 77:7054-7058(1980).
RN [4]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX PubMed=6946451;
RA Orkin S.H., Goff S.C., Hechtman R.L.;
RT "Mutation in an intervening sequence splice junction in man.";
RL Proc. Natl. Acad. Sci. U.S.A. 78:5041-5045(1981).
RN [5]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA], AND VARIANT LYS-32.
RX MEDLINE=21303311; PubMed=11410421;
RA Zhao Y., Xu X.;
RT "Alpha2(CD31 AGG-->AAG, Arg-->Lys) causing non-deletional alpha-
RT thalassemia in a Chinese family with HbH disease.";
RL Haematologica 86:541-542(2001).
RN [6]
<font color=red> [Part of this file has been deleted for brevity]</font>
FT /FTId=VAR_002840.
FT VARIANT 131 131 A -> D (in Yuda; O(2) affinity down).
FT /FTId=VAR_002842.
FT VARIANT 131 131 A -> P (in Sun Prairie; unstable).
FT /FTId=VAR_002841.
FT VARIANT 132 132 S -> P (in Questembert; highly unstable;
FT causes alpha-thalassemia).
FT /FTId=VAR_002843.
FT VARIANT 134 134 S -> R (in Val de Marne; O(2) affinity
FT up).
FT /FTId=VAR_002844.
FT VARIANT 136 136 V -> E (in Pavie).
FT /FTId=VAR_002845.
FT VARIANT 137 137 L -> M (in Chicago).
FT /FTId=VAR_002846.
FT VARIANT 137 137 L -> P (in Bibba; unstable; causes alpha-
FT thalassemia).
FT /FTId=VAR_002847.
FT VARIANT 139 139 S -> P (in Attleboro; O(2) affinity up).
FT /FTId=VAR_002848.
FT VARIANT 140 140 K -> E (in Hanamaki; O(2) affinity up).
FT /FTId=VAR_002849.
FT VARIANT 140 140 K -> T (in Tokoname; O(2) affinity up).
FT /FTId=VAR_002850.
FT VARIANT 141 141 Y -> H (in Rouen; O(2) affinity up).
FT /FTId=VAR_002851.
FT VARIANT 142 142 R -> C (in Nunobiki; O(2) affinity up).
FT /FTId=VAR_002852.
FT VARIANT 142 142 R -> H (in Suresnes; O(2) affinity up).
FT /FTId=VAR_002854.
FT VARIANT 142 142 R -> L (in Legnano; O(2) affinity up).
FT /FTId=VAR_002853.
FT VARIANT 142 142 R -> P (in Singapore).
FT /FTId=VAR_002855.
FT HELIX 4 15
FT HELIX 16 20
FT HELIX 21 35
FT HELIX 37 42
FT HELIX 53 71
FT HELIX 73 75
FT HELIX 76 79
FT HELIX 81 89
FT HELIX 96 112
FT TURN 114 116
FT HELIX 119 136
FT TURN 137 139
SQ SEQUENCE 142 AA; 15258 MW; 15E13666573BBBAE CRC64;
MVLSPADKTN VKAAWGKVGA HAGEYGAEAL ERMFLSFPTT KTYFPHFDLS HGSAQVKGHG
KKVADALTNA VAHVDDMPNA LSALSDLHAH KLRVDPVNFK LLSHCLLVTL AAHLPAEFTP
AVHASLDKFL ASVSTVLTSK YR
//
</pre>
</td></tr></table><p>
<p><h3>Database entry: tsw:hbb_human</h3>
<table width="90%"><tr><td bgcolor="#FFCCFF">
<pre>
ID HBB_HUMAN Reviewed; 147 AA.
AC P68871; P02023; Q13852; Q14481; Q14510; Q45KT0; Q6FI08; Q8IZI1;
AC Q9BX96; Q9UCP8; Q9UCP9;
DT 21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT 23-JAN-2007, sequence version 2.
DT 20-MAR-2007, entry version 43.
DE Hemoglobin subunit beta (Hemoglobin beta chain) (Beta-globin).
GN Name=HBB;
OS Homo sapiens (Human).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini;
OC Catarrhini; Hominidae; Homo.
OX NCBI_TaxID=9606;
RN [1]
RP NUCLEOTIDE SEQUENCE.
RX MEDLINE=81064667; PubMed=6254664; DOI=10.1016/0092-8674(80)90428-6;
RA Lawn R.M., Efstratiadis A., O'Connell C., Maniatis T.;
RT "The nucleotide sequence of the human beta-globin gene.";
RL Cell 21:647-651(1980).
RN [2]
RP NUCLEOTIDE SEQUENCE.
RX MEDLINE=77126403; PubMed=1019344;
RA Marotta C., Forget B., Cohen-Solal M., Weissman S.M.;
RT "Nucleotide sequence analysis of coding and noncoding regions of human
RT beta-globin mRNA.";
RL Prog. Nucleic Acid Res. Mol. Biol. 19:165-175(1976).
RN [3]
RP NUCLEOTIDE SEQUENCE.
RA Lu L., Hu Z.H., Du C.S., Fu Y.S.;
RT "DNA sequence of the human beta-globin gene isolated from a healthy
RT Chinese.";
RL Submitted (JUN-1997) to the EMBL/GenBank/DDBJ databases.
RN [4]
RP NUCLEOTIDE SEQUENCE, AND VARIANT DURHAM-N.C. PRO-115.
RC TISSUE=Blood;
RA Kutlar F., Abboud M., Leithner C., Holley L., Brisco J., Kutlar A.;
RT "Electrophoretically silent, very unstable, thalassemic mutation at
RT codon 114 of beta globin (hemoglobin Durham-N.C.) detected by cDNA
RT sequencing of mRNA, from a Russian women.";
RL Submitted (AUG-1999) to the EMBL/GenBank/DDBJ databases.
RN [5]
RP NUCLEOTIDE SEQUENCE, AND VARIANT LOUISVILLE LEU-43.
RC TISSUE=Blood;
RA Kutlar F., Harbin J., Brisco J., Kutlar A.;
RT "Rapid detection of electrophoretically silent, unstable human
RT hemoglobin 'Louisville', (Beta; Phe 42 Leu/TTT to CTT) by cDNA
RT sequencing of mRNA.";
RL Submitted (JAN-1999) to the EMBL/GenBank/DDBJ databases.
RN [6]
RP NUCLEOTIDE SEQUENCE, AND VARIANT TY GARD GLN-125.
<font color=red> [Part of this file has been deleted for brevity]</font>
FT VARIANT 141 141 A -> T (in St Jacques: O(2) affinity up).
FT /FTId=VAR_003081.
FT VARIANT 141 141 A -> V (in Puttelange; polycythemia; O(2)
FT affinity up).
FT /FTId=VAR_003082.
FT VARIANT 142 142 L -> R (in Olmsted; unstable).
FT /FTId=VAR_003083.
FT VARIANT 143 143 A -> D (in Ohio; O(2) affinity up).
FT /FTId=VAR_003084.
FT VARIANT 144 144 H -> D (in Rancho Mirage).
FT /FTId=VAR_003085.
FT VARIANT 144 144 H -> P (in Syracuse; O(2) affinity up).
FT /FTId=VAR_003087.
FT VARIANT 144 144 H -> Q (in Little Rock; O(2) affinity
FT up).
FT /FTId=VAR_003086.
FT VARIANT 144 144 H -> R (in Abruzzo; O(2) affinity up).
FT /FTId=VAR_003088.
FT VARIANT 145 145 K -> E (in Mito; O(2) affinity up).
FT /FTId=VAR_003089.
FT VARIANT 146 146 Y -> C (in Rainier; O(2) affinity up).
FT /FTId=VAR_003090.
FT VARIANT 146 146 Y -> H (in Bethesda; O(2) affinity up).
FT /FTId=VAR_003091.
FT VARIANT 147 147 H -> D (in Hiroshima; O(2) affinity up).
FT /FTId=VAR_003092.
FT VARIANT 147 147 H -> L (in Cowtown; O(2) affinity up).
FT /FTId=VAR_003093.
FT VARIANT 147 147 H -> P (in York; O(2) affinity up).
FT /FTId=VAR_003094.
FT VARIANT 147 147 H -> Q (in Kodaira; O(2) affinity up).
FT /FTId=VAR_003095.
FT HELIX 5 15
FT TURN 20 22
FT HELIX 23 34
FT HELIX 36 41
FT HELIX 43 45
FT HELIX 51 56
FT HELIX 58 76
FT TURN 77 79
FT HELIX 81 93
FT TURN 94 96
FT HELIX 101 118
FT HELIX 119 121
FT HELIX 124 141
FT HELIX 143 145
SQ SEQUENCE 147 AA; 15998 MW; A31F6D621C6556A1 CRC64;
MVHLTPEEKS AVTALWGKVN VDEVGGEALG RLLVVYPWTQ RFFESFGDLS TPDAVMGNPK
VKAHGKKVLG AFSDGLAHLD NLKGTFATLS ELHCDKLHVD PENFRLLGNV LVCVLAHHFG
KEFTPPVQAA YQKVVAGVAN ALAHKYH
//
</pre>
</td></tr></table><p>
<H2>
Output file format
</H2>
An image is output to the requested graphics device.
<p>
<a name="output.1"></a>
<h3>Output files for usage example </h3>
<p><h3>Graphics File: dotmatcher.ps</h3>
<p><img src="dotmatcher.1.dotmatcher.gif" alt="[dotmatcher results]">
<H2>
Data files
</H2>
It uses the specified matrix substitution file to compare the two sequences.
<p>
For protein sequences EBLOSUM62 is used for the substitution
matrix. For nucleotide sequence, EDNAFULL is used. Others can be
specified.
<p>
<p>
EMBOSS data files are distributed with the application and stored
in the standard EMBOSS data directory, which is defined
by the EMBOSS environment variable EMBOSS_DATA.
<p>
To see the available EMBOSS data files, run:
<p>
<pre>
% embossdata -showall
</pre>
<p>
To fetch one of the data files (for example 'Exxx.dat') into your
current directory for you to inspect or modify, run:
<pre>
% embossdata -fetch -file Exxx.dat
</pre>
<p>
Users can provide their own data files in their own directories.
Project specific files can be put in the current directory, or for
tidier directory listings in a subdirectory called
".embossdata". Files for all EMBOSS runs can be put in the user's home
directory, or again in a subdirectory called ".embossdata".
<p>
The directories are searched in the following order:
<ul>
<li> . (your current directory)
<li> .embossdata (under your current directory)
<li> ~/ (your home directory)
<li> ~/.embossdata
</ul>
<p>
<H2>
Notes
</H2>
None.
<H2>
References
</H2>
None.
<H2>
Warnings
</H2>
None.
<H2>
Diagnostic Error Messages
</H2>
None.
<H2>
Exit status
</H2>
It always exits with status 0.
<H2>
Known bugs
</H2>
None.
<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="dotpath.html">dotpath</a></td>
<td>Non-overlapping wordmatch dotplot of two sequences</td>
</tr>
<tr>
<td><a href="dottup.html">dottup</a></td>
<td>Displays a wordmatch dotplot of two sequences</td>
</tr>
<tr>
<td><a href="polydot.html">polydot</a></td>
<td>Displays all-against-all dotplots of a set of sequences</td>
</tr>
</table>
<a href="dottup.html">dottup,</a> by comparison, has no threshold, using
a wordmatch-style method. <b>dottup</b> is less sensitive, but substantially
faster than <b>dotmatcher</b>.
<H2>
Author(s)
</H2>
Ian Longden (il © sanger.ac.uk)
<br>
Sanger Institute, Wellcome Trust Genome Campus, Hinxton,
Cambridge, CB10 1SA, UK.
<H2>
History
</H2>
Completed 1st June 1999.
<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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