Chains and heterogens:
PDB Chain Sequences:
>2srcA (A:) mvttfvalydyesrtetdlsfkkgerlqivnntegdwwlahslstgqtgyipsnyvapsd siqaeewyfgkitrreserlllnaenprgtflvresettkgayclsvsdfdnakglnvkh ykirkldsggfyitsrtqfnslqqlvayyskhadglchrlttvcptskpqtqglakdawe ipreslrlevklgqgcfgevwmgtwngttrvaiktlkpgtmspeaflqeaqvmkklrhek lvqlyavvseepiyivteymskgslldflkgetgkylrlpqlvdmaaqiasgmayvermn yvhrdlraanilvgenlvckvadfglarliedneytarqgakfpikwtapeaalygrfti ksdvwsfgilltelttkgrvpypgmvnrevldqvergyrmpcppecpeslhdlmcqcwrk epeerptfeylqafledyftstepqyqpgenl
>2srcA (A:) ttfvalydyesrtetdlsfkkgerlqivnntegdwwlahslstgqtgyipsnyvapsdsi qaeewyfgkitrreserlllnaenprgtflvresettkgayclsvsdfdnakglnvkhyk irkldsggfyitsrtqfnslqqlvayyskhadglchrlttvcptskpqtqglakdaweip reslrlevklgqgcfgevwmgtwngttrvaiktlkpgtmspeaflqeaqvmkklrheklv qlyavvseepiyivteymskgslldflkgetgkylrlpqlvdmaaqiasgmayvermnyv hrdlraanilvgenlvckvadfglarliedneytarqgakfpikwtapeaalygrftiks dvwsfgilltelttkgrvpypgmvnrevldqvergyrmpcppecpeslhdlmcqcwrkep eerptfeylqafledyftstepqyqpgenl