Regarding first the example here: https://biopython.org/docs/1.75/api/Bio.PDB.Polypeptide.html How can I get the chain id for every pp? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mailman.open-bio.org/pipermail/biopython/attachments/20210530/fdf2c7cc/attachment.htm>