Following on from my earlier post, I’ve been busy updating our Sugar’n’Splice peptide depictions to support some of the new features of our perception code, namely the presence of ester or thioamide linkages (instead of amide bonds), α-methyl groups, support for a greater range of N- and C-terminus capping groups, and support for bridges beyond disulfide (e.g. terminal Ac to Cysteine in one of the examples depicted below).
The following images, depicting structures from PubChem, illustrate some of these enhancements: