Chains and heterogens:
PDB Chain Sequences:
>1oc7A (A:) apyngnpfegvqlwannyyrsevhtlaipqitdpalraaasavaevpsfqwldrnvtvdt llvqtlseireanqaganpqyaaqivvydlpdrdcaaaasngewaianngvnnykayinr ireilisfsdvrtilviepdslanmvtnmnvpkcsgaastyreltiyalkqldlphvamy mdaghagwlgwpaniqpaaelfakiyedagkpravrglatnvanynawsvsspppytspn pnydekhyieafrplleargfpaqfivdqgrsgkqptgqkewghwcnaigtgfgmrptan tghqyvdafvwvkpggecngtsdttaarydyhcgledalkpapeagqwfneyfiqllrna nppf