Chains and heterogens:
PDB Chain Sequences:
>6f04A (A:) meynfqalaelyknallndvlsfwekysldwqqggyftcldregkiydtdkfiwlqnrqv wtfsmlynqlekrenwlkiasnganflaqhgrdsdgnwyfaltregkplvhpynifsdcf aamafskyalaggeewakdvamqaynnvlrrkdnpkgkynktypgtrpmkslavpmilan ltlemewllpketlenvlaetvrevmtdfldqerglmyenvapdgshidcfegrlinpgh gieamwfimdiarrqndtktinqavdvvlnilnfawdseygglyyfmdadghppqqlewd qklwwvhleslvalamgyrltgreacwewyqkmhdyawshfadseygewfgylnrrgevl lnlkggkwkgcfhvpralylcwqqfeaiatplqhhhhhh
>6f04A (A:) ynfqalaelyknallndvlsfwekysldwqqggyftcldregkiydtdkfiwlqnrqvwt fsmlynqlekrenwlkiasnganflaqhgrdsdgnwyfaltregkplvhpynifsdcfaa mafskyalaggeewakdvamqaynnvlrrkdnpkgtrpmkslavpmilanltlemewllp ketlenvlaetvrevmtdfldqerglmyenvapdgshidcfegrlinpghgieamwfimd iarrqndtktinqavdvvlnilnfawdseygglyyfmdadghppqqlewdqklwwvhles lvalamgyrltgreacwewyqkmhdyawshfadseygewfgylnrrgevllnlkggkwkg cfhvpralylcwqqfeaiatpl