Show signal peptides in protein diagrams #356
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This draws signal peptides in proteins. It fills in biological detail that was conspicuously missing with #355.
Like most other sequence features in Ideogram.js, signal peptide data comes from Ensembl. They predicted it with SignalP. In addition to this new feature, existing protein features are now more comprehensive, more distinguishing, and have more coherent colors.
Before
Start of protein looks like other featureless protein regions:
After
Short feature at N-terminal (start of protein, at left) clearly conveys the signal peptide:
