skills/bioskills/bio-structural-biology-structure-io/scripts/extract_chain.py

• ProteinChainSelect · class · L6-L15 — class ProteinChainSelect(Select)
• init · method · L7-L8 — def init(self, chain_id)
• accept_chain · method · L10-L11 — def accept_chain(self, chain)
• accept_residue · method · L13-L15 — def accept_residue(self, residue): # id[0] is the hetflag: ' ' standard, 'W' water, 'H_XXX' hetero.