help_format.html
来自「EM算法的改进」· HTML 代码 · 共 80 行
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<!---#### $Id: help_format.html 1339 2006-09-21 19:46:28Z tbailey $#### $Log$## Revision 1.2 2006/03/07 23:30:20 nadya## merge branches v3_5_1 and v3_5_2 back to the trunk#### Revision 1.1.1.1.6.1 2006/02/22 20:49:02 nadya## enabling styling with js and css#### Revision 1.1.1.1 2005/07/31 20:12:45 nadya## Importing from meme-3.0.14, and adding configure/make####---><HTML><HEAD><TITLE>MEME - Input formats</TITLE><script src="template-css.js" type="text/javascript"></script></HEAD><body class="body"> <script src="template-header.js" type="text/javascript"></script> <font> <HR> The preferred sequence format for MEME is Pearson/Fasta format. For example, <UL>><B>ICYA_MANSE</B> INSECTICYANIN A FORM (BLUE BILIPROTEIN) <BR> GDIFYPGYCPDVKPVNDFDLSAFAGAWHEIAK <BR> LPLENENQGKCTIAEYKYDGKKASVYNSFVSNGVKEYMEGDLEIAPDA <BR>><B>LACB_BOVIN</B> BETA-LACTOGLOBULIN PRECURSOR (BETA-LG) <BR> MKCLLLALALTCGAQALIVTQTMKGLDI <BR> QKVAGTWYSLAMAASDISLLDAQSAPLRVYVEELKPTPEGDLEILLQKW <BR> </UL> Sequences start with a header line followed by sequence lines. A header line has the character ``>'' in position one, followed by an unique name without any spaces, followed by (optional) descriptive text. After the header line come the actual sequence lines. Spaces and blank lines are ignored. Sequences may be in capital or lowercase or both. <P> MEME uses the first word in the header line of each sequence, truncated to 24 characters if necessary, as the name of the sequence. This name must be unique. Sequences with duplicate names will be ignored. (The first word in the title line is everything following the ">" up to the first blank.) <P> Sequence weights may be specified in the dataset file by special header lines where the unique name is ``WEIGHTS'' (all caps) and the discriptive text is a list of sequence weights. Sequence weights are numbers in the range 0 < w <=1. All weights are assigned in order to the sequences in the file. If there are more sequences than weights, the remainder are given weight one. Weights must be greater than zero and less than or equal to one. Weights may be specified by more than one "WEIGHT" entry which may appear anywhere in the file, but you must not put weights on lines that don't start with ">WEIGHT". When weights are used, sequences will contribute to motifs in proportion to their weights. Here is an example for a file of three sequences where the first two sequences are very similar and it is desired to down-weight them: <UL>>WEIGHTS 0.5 .5 <BR>>WEIGHTS 1.0 <BR>>seq1 <BR> GDIFYPGYCPDVKPVNDFDLSAFAGAWHEIAK <BR>>seq2 <BR> GDMFCPGYCPDVKPVGDFDLSAFAGAWHELAK <BR>>seq3 <BR> QKVAGTWYSLAMAASDISLLDAQSAPLRVYVEELKPTPEGDLEILLQKW <BR> </UL> The web version of MEME also accepts protein and DNA sequences in any of the following formats by converting them to Pearson/Fasta format. When using these formats, it is not possible to specify sequence weights. <UL> <B>Sequence formats that allow one or more sequences:</B> <P> <LI> IG/Stanford, used by Intelligenetics and others <LI> GenBank/GB, genbank flatfile format <LI> NBRF format <LI> EMBL, EMBL flatfile format <LI> DNAStrider, for common Mac program <LI> Fitch format, limited use <LI> Pearson/Fasta, a common format used by Fasta programs and others <LI> Zuker format, limited use <LI> Olsen, format printed by Olsen VMS sequence editor <LI> Phylip3.2, sequential format for Phylip programs <LI> Phylip, interleaved format for Phylip programs (v3.3, v3.4) <LI> MSF multi sequence format used by GCG software <LI> PAUP's multiple sequence (NEXUS) format <LI> PIR/CODATA format used by PIR <LI> ASN.1 format used by NCBI <P> <B>Sequence formats that only allow one sequence. These formats cannot be used to input multiple sequences.</B> <P> <LI> GCG, single sequence format of GCG software (use MSF format instead) <LI> Plain/Raw, sequence data only (no name, document, numbering) </UL> <HR> MEME uses the <A HREF="gopher://ftp.bio.indiana.edu:70/11/Molecular-Biology/Molbio%20archive/readseq"> ReadSeq</A> program to read in sequences. ReadSeq is copyright 1990 by D. G. Gilbert, Biology Dept., Indiana University. <HR> </font> <script src="template-footer.js" type="text/javascript"></script></body></html>⌨️ 快捷键说明
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