Chains and heterogens:
PDB Chain Sequences:
>1fmk_ (-) mvttfvalydyesrtetdlsfkkgerlqivnntegdwwlahslstgqtgyipsnyvapsd siqaeewyfgkitrreserlllnaenprgtflvresettkgayclsvsdfdnakglnvkh ykirkldsggfyitsrtqfnslqqlvayyskhadglchrlttvcptskpqtqglakdawe ipreslrlevklgqgcfgevwmgtwngttrvaiktlkpgtmspeaflqeaqvmkklrhek lvqlyavvseepiyivteymskgslldflkgetgkylrlpqlvdmaaqiasgmayvermn yvhrdlraanilvgenlvckvadfglarliedneytarqgakfpikwtapeaalygrfti ksdvwsfgilltelttkgrvpypgmvnrevldqvergyrmpcppecpeslhdlmcqcwrk epeerptfeylqafledyftstepqyqpgenl
>1fmk_ (-) mvttfvalydyesrtetdlsfkkgerlqivnntegdwwlahslstgqtgyipsnyvapsd siqaeewyfgkitrreserlllnaenprgtflvresettkgayclsvsdfdnakglnvkh ykirkldsggfyitsrtqfnslqqlvayyskhadglchrlttvcptskpqtqglakdawe ipreslrlevklgqgcfgevwmgtwngttrvaiktlkpgtmspeaflqeaqvmkklrhek lvqlyavvseepiyivteymskgslldflkgetgkylrlpqlvdmaaqiasgmayvermn yvhrdlraanilvgenlvckvadfglarfpikwtapeaalygrftiksdvwsfgilltel ttkgrvpypgmvnrevldqvergyrmpcppecpeslhdlmcqcwrkepeerptfeylqaf ledyftstepqyqpgenl