Chains and heterogens:
PDB Chain Sequences:
>1koa_ (-) ydnyvfdiwkqyypqpveikhdhvldhydiheelgtgafgvvhrvteratgnnfaakfvm tphesdketvrkeiqtmsvlrhptlvnlhdafeddnemvmiyefmsggelfekvadehnk msedeaveymrqvckglchmhennyvhldlkpenimfttkrsnelklidfgltahldpkq svkvttgtaefaapevaegkpvgyytdmwsvgvlsyillsglspfggenddetlrnvksc dwnmddsafsgisedgkdfirkllladpntrmtihqalehpwltpgnapgrdsqipssry tkirdsiktkydawpeplpplgrisnysslrkhrpqeysirdafwdrseaqprfivkpyg tevgegqsanfycrviassppvvtwhkddrelkqsvkymkryngndygltinrvkgddkg eytvraknsygtkeeivflnvtrhsep