<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-family: Calibri, sans-serif;"><div>I can do that.  Just a note of caution though.  The ID= attribute is not protected (it's just an identifier to relate things to one another for correct parentage).  Downstream scripts that use or manipulate GFF3 files can change it (so relying on it to always be the same or even be informative is not guaranteed).</div><div><br></div><div>--Carson</div><div><br></div><div><br></div><span id="OLK_SRC_BODY_SECTION"><div style="font-family:Calibri; font-size:11pt; text-align:left; color:black; BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 3pt"><span style="font-weight:bold">From: </span> Guohong Cai <<a href="mailto:caigh02@gmail.com">caigh02@gmail.com</a>><br><span style="font-weight:bold">Date: </span> Monday, May 19, 2014 at 9:43 PM<br><span style="font-weight:bold">To: </span> <<a href="mailto:maker-devel@yandell-lab.org">maker-devel@yandell-lab.org</a>><br><span style="font-weight:bold">Subject: </span> [maker-devel] Maker exon number<br></div><div><br></div><div dir="ltr"><div><div>Hi Carson,<br><br></div>I am using MAKER to annotate a few small genomes. When looking through the gff file, I notice that the exon numbers do not start from 0 or 1 for each gene. Only the first gene in a scaffold start with exon 0. If the first gene has 3 exons (0-2), then the second gene will start from exon 3 (an example is shown below). It seems many people would prefer that in each gene, the first exon be exon 1. Is it possible to make such a change?  Thanks.<br><br></div>Guohong<br><div><br><br>scaffold1       .       contig  1       347483  .       .       .       ID=scaffold1;Name=scaffold1<br>scaffold1       maker   gene    106     2985    .       +       .       ID=genemark-scaffold1-processed-gene-0.0;Name=genemark-scaffold1-processed-gene-0.0<br>
scaffold1       maker   mRNA    106     2985    .       +       .       ID=genemark-scaffold1-processed-gene-0.0-mRNA-1;Parent=genemark-scaffold1-processed-gene-0.0;Name=genemark-scaffold1-processed-gene-0.0-mRNA-1;_AED=0.12;_eAED=0.13;_QI=0|0|0|1|1|1|3|0|840<br>
scaffold1       maker   exon    106     1684    .       +       .       ID=genemark-scaffold1-processed-gene-0.0-mRNA-1:exon:0;Parent=genemark-scaffold1-processed-gene-0.0-mRNA-1<br>scaffold1       maker   exon    1878    2440    .       +       .       ID=genemark-scaffold1-processed-gene-0.0-mRNA-1:exon:1;Parent=genemark-scaffold1-processed-gene-0.0-mRNA-1<br>
scaffold1       maker   exon    2605    2985    .       +       .       ID=genemark-scaffold1-processed-gene-0.0-mRNA-1:exon:2;Parent=genemark-scaffold1-processed-gene-0.0-mRNA-1<br>scaffold1       maker   CDS     106     1684    .       +       0       ID=genemark-scaffold1-processed-gene-0.0-mRNA-1:cds;Parent=genemark-scaffold1-processed-gene-0.0-mRNA-1<br>
scaffold1       maker   CDS     1878    2440    .       +       2       ID=genemark-scaffold1-processed-gene-0.0-mRNA-1:cds;Parent=genemark-scaffold1-processed-gene-0.0-mRNA-1<br>scaffold1       maker   CDS     2605    2985    .       +       0       ID=genemark-scaffold1-processed-gene-0.0-mRNA-1:cds;Parent=genemark-scaffold1-processed-gene-0.0-mRNA-1<br>
scaffold1       maker   gene    38466   41604   .       +       .       ID=maker-scaffold1-snap-gene-0.254;Name=maker-scaffold1-snap-gene-0.254<br>scaffold1       maker   mRNA    38466   41604   .       +       .       ID=maker-scaffold1-snap-gene-0.254-mRNA-1;Parent=maker-scaffold1-snap-gene-0.254;Name=maker-scaffold1-snap-gene-0.254-mRNA-1;_AED=0.03;_eAED=0.03;_QI=0|0|0|0.83|1|1|6|0|892<br>
scaffold1       maker   exon    38466   38511   .       +       .       ID=maker-scaffold1-snap-gene-0.254-mRNA-1:exon:3;Parent=maker-scaffold1-snap-gene-0.254-mRNA-1<br>scaffold1       maker   exon    38616   38742   .       +       .       ID=maker-scaffold1-snap-gene-0.254-mRNA-1:exon:4;Parent=maker-scaffold1-snap-gene-0.254-mRNA-1<br>
scaffold1       maker   exon    38831   39986   .       +       .       ID=maker-scaffold1-snap-gene-0.254-mRNA-1:exon:5;Parent=maker-scaffold1-snap-gene-0.254-mRNA-1<br>scaffold1       maker   exon    40073   40154   .       +       .       ID=maker-scaffold1-snap-gene-0.254-mRNA-1:exon:6;Parent=maker-scaffold1-snap-gene-0.254-mRNA-1<br>
scaffold1       maker   exon    40259   40666   .       +       .       ID=maker-scaffold1-snap-gene-0.254-mRNA-1:exon:7;Parent=maker-scaffold1-snap-gene-0.254-mRNA-1<br>scaffold1       maker   exon    40745   41604   .       +       .       ID=maker-scaffold1-snap-gene-0.254-mRNA-1:exon:8;Parent=maker-scaffold1-snap-gene-0.254-mRNA-1<br>
scaffold1       maker   CDS     38466   38511   .       +       0       ID=maker-scaffold1-snap-gene-0.254-mRNA-1:cds;Parent=maker-scaffold1-snap-gene-0.254-mRNA-1<br>scaffold1       maker   CDS     38616   38742   .       +       2       ID=maker-scaffold1-snap-gene-0.254-mRNA-1:cds;Parent=maker-scaffold1-snap-gene-0.254-mRNA-1<br>
scaffold1       maker   CDS     38831   39986   .       +       1       ID=maker-scaffold1-snap-gene-0.254-mRNA-1:cds;Parent=maker-scaffold1-snap-gene-0.254-mRNA-1<br>scaffold1       maker   CDS     40073   40154   .       +       0       ID=maker-scaffold1-snap-gene-0.254-mRNA-1:cds;Parent=maker-scaffold1-snap-gene-0.254-mRNA-1<br>
scaffold1       maker   CDS     40259   40666   .       +       2       ID=maker-scaffold1-snap-gene-0.254-mRNA-1:cds;Parent=maker-scaffold1-snap-gene-0.254-mRNA-1<br>scaffold1       maker   CDS     40745   41604   .       +       2       ID=maker-scaffold1-snap-gene-0.254-mRNA-1:cds;Parent=maker-scaffold1-snap-gene-0.254-mRNA-1<br><br></div></div>
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