Chains and heterogens:
PDB Chain Sequences:
>5c91A (A:) srdykrkyeffrrklkkqndipnkfemklrratvledsyrrimgvkradflkarlwiefd gekgldyggvarewffliskemfnpyyglfeysatdnytlqinpnsglcnedhlsyfkfi grvagmavyhgklldgffirpfykmmlhkpitlhdmesvdseyynslrwilendpteldl rfiideelfgqthqhelknggseivvtnknkkeyiylviqwrfvnriqkqmaafkegffe lipqdlikifdenelellmcglgdvdvndwrehtkykngysanhqviqwfwkavlmmdse krirllqfvtgtsrvpmngfaelygsngpqsftveqwgtpeklprahtcfnrldlppyes feelwdklqmaient