What does the thinner, continuous rectangle at the begining and end of where known genes are??
Response: It is helpful on browser questions to give the location of the feature you are looking at (eg, chr9:106386505-106492485 hg6, gene ABCA1) so that others can quickly duplicate the view. Looking at the gene ABCA1 graphic in Photoshop with the magic wand under the palettes>show info tool, we see that a gene track is 9 pixels high in its coding exons, 7 pixels high in its 5′ and 3′ UTR (the thinner, continuous rectangle at the begining and end of known genes), 1 pixel high in its central intron line, and 5 pixels high in its strand orientation wedge >. This encodes mysql table values for the regions of primary interest to a biologist into easily recognized iconic form, though some aspects are inevitably lost upon rescaling (coding exons are given preference at coarse scales). There are residual problems in showing strand, for example in single exon genes like PRNP, there isn’t any place to put the strand orientation wedge. There have also been serious trials of fewer pixels per tr
Related Questions
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