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<HTML>

<HEAD>
  <TITLE>
  EMBOSS: nthseqset
  </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="/images/emboss_icon.jpg" alt="" width=150 height=48></a>
</td>
<td align=left valign=middle>
<b><font size="+6">
nthseqset
</font></b>
</td></tr>
</table>
<br>&nbsp;
<p>

<H2>
Wiki
</H2>

The master copies of EMBOSS documentation are available
at <a href="http://emboss.open-bio.org/wiki/Appdocs">
http://emboss.open-bio.org/wiki/Appdocs</a>
on the EMBOSS Wiki.

<p>
Please help by correcting and extending the Wiki pages.

<H2>
    Function
</H2>
Read and write (return) one set of sequences from many

<H2>
    Description
</H2>


<p><b>nthseqset</b> writes to file a single sequence alignment (set)
from an input stream of sequence sets. The sequence set is specified
by number, which is the order it appears in the input file. The output
file name may be specified.</p>

<H2>
    Usage
</H2>


Here is a sample session with <b>nthseqset</b>
<p>

<p>
<table width="90%"><tr><td bgcolor="#CCFFFF"><pre>

% <b>nthseqset -osf phylip </b>
Read and write (return) one set of sequences from many
Input sequence set(s): <b>globins-all.phy</b>
The number of the sequence set to output [1]: <b>2</b>
output sequence(s) [globins-all.phylip]: <b></b>

</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>
Read and write (return) one set of sequences from many
Version: EMBOSS:6.6.0.0

   Standard (Mandatory) qualifiers:
  [-sequence]          seqsetall  Sequence set(s) filename and optional
                                  format, or reference (input USA)
   -number             integer    [1] The number of the sequence set to output
                                  (Integer 1 or more)
  [-outseq]            seqoutall  [<sequence>.<format>] Sequence set(s)
                                  filename and optional format (output USA)

   Additional (Optional) qualifiers: (none)
   Advanced (Unprompted) qualifiers:
   -feature            boolean    Use feature information

   Associated qualifiers:

   "-sequence" associated qualifiers
   -sbegin1            integer    Start of each sequence to be used
   -send1              integer    End of each 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
   -scircular1         boolean    Sequence is circular
   -squick1            boolean    Read id and sequence only
   -sformat1           string     Input sequence format
   -iquery1            string     Input query fields or ID list
   -ioffset1           integer    Input start position offset
   -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 first file to standard output
   -filter             boolean    Read first file from standard input, write
                                  first file to 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 and exit. 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
   -version            boolean    Report version number and exit

</pre>
</td></tr></table>
<P>

<table border cellspacing=0 cellpadding=3 bgcolor="#ccccff">
<tr bgcolor="#FFFFCC">
<th align="left">Qualifier</th>
<th align="left">Type</th>
<th align="left">Description</th>
<th align="left">Allowed values</th>
<th align="left">Default</th>
</tr>

<tr bgcolor="#FFFFCC">
<th align="left" colspan=5>Standard (Mandatory) qualifiers</th>
</tr>

<tr bgcolor="#FFFFCC">
<td>[-sequence]<br>(Parameter 1)</td>
<td>seqsetall</td>
<td>Sequence set(s) filename and optional format, or reference (input USA)</td>
<td>Readable sets of sequences</td>
<td><b>Required</b></td>
</tr>

<tr bgcolor="#FFFFCC">
<td>-number</td>
<td>integer</td>
<td>The number of the sequence set to output</td>
<td>Integer 1 or more</td>
<td>1</td>
</tr>

<tr bgcolor="#FFFFCC">
<td>[-outseq]<br>(Parameter 2)</td>
<td>seqoutall</td>
<td>Sequence set(s) filename and optional format (output USA)</td>
<td>Writeable sequence(s)</td>
<td><i>&lt;*&gt;</i>.<i>format</i></td>
</tr>

<tr bgcolor="#FFFFCC">
<th align="left" colspan=5>Additional (Optional) qualifiers</th>
</tr>

<tr>
<td colspan=5>(none)</td>
</tr>

<tr bgcolor="#FFFFCC">
<th align="left" colspan=5>Advanced (Unprompted) qualifiers</th>
</tr>

<tr bgcolor="#FFFFCC">
<td>-feature</td>
<td>boolean</td>
<td>Use feature information</td>
<td>Boolean value Yes/No</td>
<td>No</td>
</tr>

<tr bgcolor="#FFFFCC">
<th align="left" colspan=5>Associated qualifiers</th>
</tr>

<tr bgcolor="#FFFFCC">
<td align="left" colspan=5>"-sequence" associated seqsetall qualifiers
</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -sbegin1<br>-sbegin_sequence</td>
<td>integer</td>
<td>Start of each sequence to be used</td>
<td>Any integer value</td>
<td>0</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -send1<br>-send_sequence</td>
<td>integer</td>
<td>End of each sequence to be used</td>
<td>Any integer value</td>
<td>0</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -sreverse1<br>-sreverse_sequence</td>
<td>boolean</td>
<td>Reverse (if DNA)</td>
<td>Boolean value Yes/No</td>
<td>N</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -sask1<br>-sask_sequence</td>
<td>boolean</td>
<td>Ask for begin/end/reverse</td>
<td>Boolean value Yes/No</td>
<td>N</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -snucleotide1<br>-snucleotide_sequence</td>
<td>boolean</td>
<td>Sequence is nucleotide</td>
<td>Boolean value Yes/No</td>
<td>N</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -sprotein1<br>-sprotein_sequence</td>
<td>boolean</td>
<td>Sequence is protein</td>
<td>Boolean value Yes/No</td>
<td>N</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -slower1<br>-slower_sequence</td>
<td>boolean</td>
<td>Make lower case</td>
<td>Boolean value Yes/No</td>
<td>N</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -supper1<br>-supper_sequence</td>
<td>boolean</td>
<td>Make upper case</td>
<td>Boolean value Yes/No</td>
<td>N</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -scircular1<br>-scircular_sequence</td>
<td>boolean</td>
<td>Sequence is circular</td>
<td>Boolean value Yes/No</td>
<td>N</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -squick1<br>-squick_sequence</td>
<td>boolean</td>
<td>Read id and sequence only</td>
<td>Boolean value Yes/No</td>
<td>N</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -sformat1<br>-sformat_sequence</td>
<td>string</td>
<td>Input sequence format</td>
<td>Any string</td>
<td>&nbsp;</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -iquery1<br>-iquery_sequence</td>
<td>string</td>
<td>Input query fields or ID list</td>
<td>Any string</td>
<td>&nbsp;</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -ioffset1<br>-ioffset_sequence</td>
<td>integer</td>
<td>Input start position offset</td>
<td>Any integer value</td>
<td>0</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -sdbname1<br>-sdbname_sequence</td>
<td>string</td>
<td>Database name</td>
<td>Any string</td>
<td>&nbsp;</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -sid1<br>-sid_sequence</td>
<td>string</td>
<td>Entryname</td>
<td>Any string</td>
<td>&nbsp;</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -ufo1<br>-ufo_sequence</td>
<td>string</td>
<td>UFO features</td>
<td>Any string</td>
<td>&nbsp;</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -fformat1<br>-fformat_sequence</td>
<td>string</td>
<td>Features format</td>
<td>Any string</td>
<td>&nbsp;</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -fopenfile1<br>-fopenfile_sequence</td>
<td>string</td>
<td>Features file name</td>
<td>Any string</td>
<td>&nbsp;</td>
</tr>

<tr bgcolor="#FFFFCC">
<td align="left" colspan=5>"-outseq" associated seqoutall qualifiers
</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -osformat2<br>-osformat_outseq</td>
<td>string</td>
<td>Output seq format</td>
<td>Any string</td>
<td>&nbsp;</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -osextension2<br>-osextension_outseq</td>
<td>string</td>
<td>File name extension</td>
<td>Any string</td>
<td>&nbsp;</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -osname2<br>-osname_outseq</td>
<td>string</td>
<td>Base file name</td>
<td>Any string</td>
<td>&nbsp;</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -osdirectory2<br>-osdirectory_outseq</td>
<td>string</td>
<td>Output directory</td>
<td>Any string</td>
<td>&nbsp;</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -osdbname2<br>-osdbname_outseq</td>
<td>string</td>
<td>Database name to add</td>
<td>Any string</td>
<td>&nbsp;</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -ossingle2<br>-ossingle_outseq</td>
<td>boolean</td>
<td>Separate file for each entry</td>
<td>Boolean value Yes/No</td>
<td>N</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -oufo2<br>-oufo_outseq</td>
<td>string</td>
<td>UFO features</td>
<td>Any string</td>
<td>&nbsp;</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -offormat2<br>-offormat_outseq</td>
<td>string</td>
<td>Features format</td>
<td>Any string</td>
<td>&nbsp;</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -ofname2<br>-ofname_outseq</td>
<td>string</td>
<td>Features file name</td>
<td>Any string</td>
<td>&nbsp;</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -ofdirectory2<br>-ofdirectory_outseq</td>
<td>string</td>
<td>Output directory</td>
<td>Any string</td>
<td>&nbsp;</td>
</tr>

<tr bgcolor="#FFFFCC">
<th align="left" colspan=5>General qualifiers</th>
</tr>

<tr bgcolor="#FFFFCC">
<td> -auto</td>
<td>boolean</td>
<td>Turn off prompts</td>
<td>Boolean value Yes/No</td>
<td>N</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -stdout</td>
<td>boolean</td>
<td>Write first file to standard output</td>
<td>Boolean value Yes/No</td>
<td>N</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -filter</td>
<td>boolean</td>
<td>Read first file from standard input, write first file to standard output</td>
<td>Boolean value Yes/No</td>
<td>N</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -options</td>
<td>boolean</td>
<td>Prompt for standard and additional values</td>
<td>Boolean value Yes/No</td>
<td>N</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -debug</td>
<td>boolean</td>
<td>Write debug output to program.dbg</td>
<td>Boolean value Yes/No</td>
<td>N</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -verbose</td>
<td>boolean</td>
<td>Report some/full command line options</td>
<td>Boolean value Yes/No</td>
<td>Y</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -help</td>
<td>boolean</td>
<td>Report command line options and exit. More information on associated and general qualifiers can be found with -help -verbose</td>
<td>Boolean value Yes/No</td>
<td>N</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -warning</td>
<td>boolean</td>
<td>Report warnings</td>
<td>Boolean value Yes/No</td>
<td>Y</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -error</td>
<td>boolean</td>
<td>Report errors</td>
<td>Boolean value Yes/No</td>
<td>Y</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -fatal</td>
<td>boolean</td>
<td>Report fatal errors</td>
<td>Boolean value Yes/No</td>
<td>Y</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -die</td>
<td>boolean</td>
<td>Report dying program messages</td>
<td>Boolean value Yes/No</td>
<td>Y</td>
</tr>

<tr bgcolor="#FFFFCC">
<td> -version</td>
<td>boolean</td>
<td>Report version number and exit</td>
<td>Boolean value Yes/No</td>
<td>N</td>
</tr>

</table>


<H2>
    Input file format
</H2>

<b>nthseqset</b> reads one or more nucleotiode or protein sequences.
<p>
<p>

The input is a standard EMBOSS sequence query (also known as a 'USA').

<p>
Major sequence database sources defined as standard in EMBOSS
installations include srs:embl, srs:uniprot and ensembl

<p>

Data can also be read from sequence output in any supported format
written by an EMBOSS or third-party application.

<p>
The input format can be specified by using the
command-line qualifier <tt>-sformat xxx</tt>, where 'xxx' is replaced
by the name of the required format.  The available format names are:
gff (gff3), gff2, embl (em), genbank (gb, refseq), ddbj, refseqp, pir
(nbrf), swissprot (swiss, sw), dasgff and debug.

<p>

See:
<A href="http://emboss.sf.net/docs/themes/SequenceFormats.html">
http://emboss.sf.net/docs/themes/SequenceFormats.html</A>
for further information on sequence formats.

<p>


<a name="input.1"></a>
<h3>Input files for usage example </h3>
<p><h3>File: globins-all.phy</h3>
<table width="90%"><tr><td bgcolor="#FFCCFF">
<pre>
 7 164
HBB_HUMAN --------VH LTPEEKSAVT ALWGKVN-VD EVGGEALGR- LLVVYPWTQR
HBB_HORSE --------VQ LSGEEKAAVL ALWDKVN-EE EVGGEALGR- LLVVYPWTQR
HBA_HUMAN ---------- ----VLSPAD KTNVKAA-WG KVGAHAGEYG AEALERMFLS
HBA_HORSE ---------- ----VLSAAD KTNVKAA-WS KVGGHAGEYG AEALERMFLG
MYG_PHYCA -------VLS EGEWQLVLHV WAKVEAD-VA GHGQDILIR- LFKSHPETLE
GLB5_PETMAPIVDTGSVAP LSAAEKTKIR SAWAPVYSTY ETSGVDILVK FFTSTPAAQE
LGB2_LUPLU--------GA LTESQAALVK SSWEEFNANI PKHTHRFFIL VLEIAPAAKD

          FFESFGDLST PDAVMGNPKV KAHGKKVLGA FSDGLAHLDN LKGTFATLSE
          FFDSFGDLSN PGAVMGNPKV KAHGKKVLHS FGEGVHHLDN LKGTFAALSE
          FPTTKTYFPH FDLSHGSAQV KGHGKKVADA LTNAVAHVDD MPNALSALSD
          FPTTKTYFPH FDLSHGSAQV KAHGKKVGDA LTLAVGHLDD LPGALSNLSD
          KFDRFKHLKT EAEMKASEDL KKHGVTVLTA LGAILKKKGH HEAELKPLAQ
          FFPKFKGLTT ADQLKKSADV RWHAERIINA VNDAVASMDD TEKMSMKLRD
          LFSFLKGTSE VPQNNPELQA HAGKVFKLVY EAAIQLQVTG VVVTDATLKN

          LHCDKLH--V DPENFRLLGN VLVCVLAHHF GKEFTPPVQA AYQKVVAGVA
          LHCDKLH--V DPENFRLLGN VLVVVLARHF GKDFTPELQA SYQKVVAGVA
          LHAHKLR--V DPVNFKLLSH CLLVTLAAHL PAEFTPAVHA SLDKFLASVS
          LHAHKLR--V DPVNFKLLSH CLLSTLAVHL PNDFTPAVHA SLDKFLSSVS
          SHATKHK--I PIKYLEFISE AIIHVLHSRH PGDFGADAQG AMNKALELFR
          LSGKHAK--S FQVDPQYFKV LAAVIADTVA AGDAGFEKLM SMICILLRSA
          LGSVHVSKGV ADAHFPVVKE AILKTIKEVV GAKWSEELNS AWTIAYDELA

          NALAHKYH-- ----
          NALAHKYH-- ----
          TVLTSKYR-- ----
          TVLTSKYR-- ----
          KDIAAKYKEL GYQG
          Y--------- ----
          IVIKKEMNDA A---
 7 167
HBB_HUMAN --------VH LTPEEKSAVT ALWGKVN--V DEVGGEALGR LLVVYPWTQR
HBB_HORSE --------VQ LSGEEKAAVL ALWDKVN--E EEVGGEALGR LLVVYPWTQR
HBA_HUMAN ---------V LSPADKTNVK AAWGKVGAHA GEYGAEALER MFLSFPTTKT
HBA_HORSE ---------V LSAADKTNVK AAWSKVGGHA GEYGAEALER MFLGFPTTKT
GLB5_PETMAPIVDTGSVAP LSAAEKTKIR SAWAPVYSTY ETSGVDILVK FFTSTPAAQE
MYG_PHYCA ---------V LSEGEWQLVL HVWAKVEADV AGHGQDILIR LFKSHPETLE
LGB2_LUPLU--------GA LTESQAALVK SSWEEFNANI PKHTHRFFIL VLEIAPAAKD

          FFESFGDLST PDAVMGNPKV KAHGKKVLGA FSDGLAHLDN -----LKGTF
          FFDSFGDLSN PGAVMGNPKV KAHGKKVLHS FGEGVHHLDN -----LKGTF
          YFPHF-DLS- ----HGSAQV KGHGKKVADA LTNAVAHVDD -----MPNAL
          YFPHF-DLS- ----HGSAQV KAHGKKVGDA LTLAVGHLDD -----LPGAL
          FFPKFKGLTT ADQLKKSADV RWHAERIINA VNDAVASMDD T--EKMSMKL
          KFDRFKHLKT EAEMKASEDL KKHGVTVLTA LGAILKKKGH -----HEAEL
          LFSFLKGTSE VP--QNNPEL QAHAGKVFKL VYEAAIQLQV TGVVVTDATL

          ATLSELHCDK LHVDPENFRL LGNVLVCVLA HHFGKEFTPP VQAAYQKVVA
          AALSELHCDK LHVDPENFRL LGNVLVVVLA RHFGKDFTPE LQASYQKVVA
          SALSDLHAHK LRVDPVNFKL LSHCLLVTLA AHLPAEFTPA VHASLDKFLA
          SNLSDLHAHK LRVDPVNFKL LSHCLLSTLA VHLPNDFTPA VHASLDKFLS
          RDLSGKHAKS FQVDPQYFKV LAAVIADTVA AG-------- -DAGFEKLMS
          KPLAQSHATK HKIPIKYLEF ISEAIIHVLH SRHPGDFGAD AQGAMNKALE
          KNLGSVHVSK G-VADAHFPV VKEAILKTIK EVVGAKWSEE LNSAWTIAYD

          GVANALAHKY H------
          GVANALAHKY H------
          SVSTVLTSKY R------
          SVSTVLTSKY R------
          MICILLRSAY -------
          LFRKDIAAKY KELGYQG
          ELAIVIKKEM NDAA---
</pre>
</td></tr></table><p>

<H2>
    Output file format
</H2>


<p>

The output is a standard EMBOSS sequence file. 

<p>

The results can be output in one of several styles by using the
command-line qualifier <tt>-osformat xxx</tt>, where 'xxx' is replaced by
the name of the required format.  The available format names are: embl,
genbank, gff, pir, swiss, dasgff, debug, listfile, dbmotif, diffseq, excel,
feattable, motif, nametable, regions, seqtable, simple, srs, table, tagseq.

<p>

See:
<A href="http://emboss.sf.net/docs/themes/SequenceFormats.html">
http://emboss.sf.net/docs/themes/SequenceFormats.html</A>
for further information on sequence formats.

<p>

<p>
The output is the specified ordinal sequence set from the input USA.

<p>

In the example, the second sequence set from the input file will be written
out to the specified output file. 

<p>


<a name="output.1"></a>
<h3>Output files for usage example </h3>
<p><h3>File: globins-all.phylip</h3>
<table width="90%"><tr><td bgcolor="#CCFFCC">
<pre>
 7 167
HBB_HUMAN --------VH LTPEEKSAVT ALWGKVN--V DEVGGEALGR LLVVYPWTQR
HBB_HORSE --------VQ LSGEEKAAVL ALWDKVN--E EEVGGEALGR LLVVYPWTQR
HBA_HUMAN ---------V LSPADKTNVK AAWGKVGAHA GEYGAEALER MFLSFPTTKT
HBA_HORSE ---------V LSAADKTNVK AAWSKVGGHA GEYGAEALER MFLGFPTTKT
GLB5_PETMAPIVDTGSVAP LSAAEKTKIR SAWAPVYSTY ETSGVDILVK FFTSTPAAQE
MYG_PHYCA ---------V LSEGEWQLVL HVWAKVEADV AGHGQDILIR LFKSHPETLE
LGB2_LUPLU--------GA LTESQAALVK SSWEEFNANI PKHTHRFFIL VLEIAPAAKD

          FFESFGDLST PDAVMGNPKV KAHGKKVLGA FSDGLAHLDN -----LKGTF
          FFDSFGDLSN PGAVMGNPKV KAHGKKVLHS FGEGVHHLDN -----LKGTF
          YFPHF-DLS- ----HGSAQV KGHGKKVADA LTNAVAHVDD -----MPNAL
          YFPHF-DLS- ----HGSAQV KAHGKKVGDA LTLAVGHLDD -----LPGAL
          FFPKFKGLTT ADQLKKSADV RWHAERIINA VNDAVASMDD T--EKMSMKL
          KFDRFKHLKT EAEMKASEDL KKHGVTVLTA LGAILKKKGH -----HEAEL
          LFSFLKGTSE VP--QNNPEL QAHAGKVFKL VYEAAIQLQV TGVVVTDATL

          ATLSELHCDK LHVDPENFRL LGNVLVCVLA HHFGKEFTPP VQAAYQKVVA
          AALSELHCDK LHVDPENFRL LGNVLVVVLA RHFGKDFTPE LQASYQKVVA
          SALSDLHAHK LRVDPVNFKL LSHCLLVTLA AHLPAEFTPA VHASLDKFLA
          SNLSDLHAHK LRVDPVNFKL LSHCLLSTLA VHLPNDFTPA VHASLDKFLS
          RDLSGKHAKS FQVDPQYFKV LAAVIADTVA AG-------- -DAGFEKLMS
          KPLAQSHATK HKIPIKYLEF ISEAIIHVLH SRHPGDFGAD AQGAMNKALE
          KNLGSVHVSK G-VADAHFPV VKEAILKTIK EVVGAKWSEE LNSAWTIAYD

          GVANALAHKY H------
          GVANALAHKY H------
          SVSTVLTSKY R------
          SVSTVLTSKY R------
          MICILLRSAY -------
          LFRKDIAAKY KELGYQG
          ELAIVIKKEM NDAA---
</pre>
</td></tr></table><p>


<H2>
    Data files
</H2>

None.

<H2>
    Notes
</H2>

<p>In EMBOSS, when an application has to write out many sequences, they are typically all written to a single file.  This default behaviour can be changed by using the qualifier <tt>-ossingle</tt> which forces each sequence to be written to its own file.</p>

<p>The program <b>seqretsplit</b> will take a file containing many sequences and will output many files, each containing one sequence. However you have no choice over the naming of the files - they are named after the ID name fo the sequence they contain.</p>



<H2>
    References
</H2>

None.

<H2>
    Warnings
</H2>

None.

<H2>
    Diagnostic Error Messages
</H2>

None.

<H2>
    Exit status
</H2>

It always exits with a status of 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="aligncopy.html">aligncopy</a></td>
<td>Read and write alignments</td>
</tr>

<tr>
<td><a href="aligncopypair.html">aligncopypair</a></td>
<td>Read and write pairs from alignments</td>
</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>Copy and reformat a codon usage table</td>
</tr>

<tr>
<td><a href="cutseq.html">cutseq</a></td>
<td>Remove a section from a sequence</td>
</tr>

<tr>
<td><a href="degapseq.html">degapseq</a></td>
<td>Remove non-alphabetic (e.g. 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>Retrieve sequence entries from flatfile databases and files</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 sequence(s)</td>
</tr>

<tr>
<td><a href="extractseq.html">extractseq</a></td>
<td>Extract regions from a sequence</td>
</tr>

<tr>
<td><a href="featcopy.html">featcopy</a></td>
<td>Read and write a feature table</td>
</tr>

<tr>
<td><a href="featmerge.html">featmerge</a></td>
<td>Merge two overlapping feature tables</td>
</tr>

<tr>
<td><a href="featreport.html">featreport</a></td>
<td>Read and write a feature table</td>
</tr>

<tr>
<td><a href="feattext.html">feattext</a></td>
<td>Return a feature table original text</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>Create random nucleotide sequences</td>
</tr>

<tr>
<td><a href="makeprotseq.html">makeprotseq</a></td>
<td>Create random protein sequences</td>
</tr>

<tr>
<td><a href="maskambignuc.html">maskambignuc</a></td>
<td>Mask all ambiguity characters in nucleotide sequences with N</td>
</tr>

<tr>
<td><a href="maskambigprot.html">maskambigprot</a></td>
<td>Mask all ambiguity characters in protein sequences with X</td>
</tr>

<tr>
<td><a href="maskfeat.html">maskfeat</a></td>
<td>Write a sequence with masked features</td>
</tr>

<tr>
<td><a href="maskseq.html">maskseq</a></td>
<td>Write a sequence with masked regions</td>
</tr>

<tr>
<td><a href="newseq.html">newseq</a></td>
<td>Create a sequence file from a typed-in sequence</td>
</tr>

<tr>
<td><a href="nohtml.html">nohtml</a></td>
<td>Remove mark-up (e.g. HTML tags) from an ASCII text file</td>
</tr>

<tr>
<td><a href="noreturn.html">noreturn</a></td>
<td>Remove carriage return from ASCII files</td>
</tr>

<tr>
<td><a href="nospace.html">nospace</a></td>
<td>Remove whitespace from an ASCII text file</td>
</tr>

<tr>
<td><a href="notab.html">notab</a></td>
<td>Replace tabs with spaces in an ASCII text file</td>
</tr>

<tr>
<td><a href="notseq.html">notseq</a></td>
<td>Write to file a subset of an input stream of sequences</td>
</tr>

<tr>
<td><a href="nthseq.html">nthseq</a></td>
<td>Write to file a single sequence from an input stream 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 nucleotide sequence</td>
</tr>

<tr>
<td><a href="seqcount.html">seqcount</a></td>
<td>Read and count sequences</td>
</tr>

<tr>
<td><a href="seqret.html">seqret</a></td>
<td>Read and write (return) sequences</td>
</tr>

<tr>
<td><a href="seqretsetall.html">seqretsetall</a></td>
<td>Read and write (return) many sets of sequences</td>
</tr>

<tr>
<td><a href="seqretsplit.html">seqretsplit</a></td>
<td>Read sequences and write them to individual files</td>
</tr>

<tr>
<td><a href="sizeseq.html">sizeseq</a></td>
<td>Sort sequences by size</td>
</tr>

<tr>
<td><a href="skipredundant.html">skipredundant</a></td>
<td>Remove redundant sequences from an input set</td>
</tr>

<tr>
<td><a href="skipseq.html">skipseq</a></td>
<td>Read and write (return) sequences, skipping first few</td>
</tr>

<tr>
<td><a href="splitsource.html">splitsource</a></td>
<td>Split sequence(s) into original source sequences</td>
</tr>

<tr>
<td><a href="splitter.html">splitter</a></td>
<td>Split sequence(s) into smaller sequences</td>
</tr>

<tr>
<td><a href="trimest.html">trimest</a></td>
<td>Remove poly-A tails from nucleotide sequences</td>
</tr>

<tr>
<td><a href="trimseq.html">trimseq</a></td>
<td>Remove unwanted characters from start and end of sequence(s)</td>
</tr>

<tr>
<td><a href="trimspace.html">trimspace</a></td>
<td>Remove extra whitespace from an ASCII text file</td>
</tr>

<tr>
<td><a href="union.html">union</a></td>
<td>Concatenate multiple sequences into a single sequence</td>
</tr>

<tr>
<td><a href="vectorstrip.html">vectorstrip</a></td>
<td>Remove vectors from the ends of nucleotide sequence(s)</td>
</tr>

<tr>
<td><a href="yank.html">yank</a></td>
<td>Add a sequence reference (a full USA) to a list file</td>
</tr>

</table>

<H2>
    Author(s)
</H2>


Peter Rice
<br>
European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SD, UK

<p>
Please report all bugs to the EMBOSS bug team (emboss-bug&nbsp;&copy;&nbsp;emboss.open-bio.org) not to the original author.

<H2>
    History
</H2>


<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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