Chains and heterogens:
PDB Chain Sequences:
>1kswA (A:) mvttfvalydyesrtetdlsfkkgerlqivnntegdwwlahslstgqtgyipsnyvapsd siqaeewyfgkitrreserlllnaenprgtflvresettkgayclsvsdfdnakglnvkh ykirkldsggfyitsrtqfnslqqlvayyskhadglchrlttvcptskpqtqglakdawe ipreslrlevklgqgcfgevwmgtwngttrvaiktlkpgtmspeaflqeaqvmkklrhek lvqlyavvseepiyivgeymskgslldflkgetgkylrlpqlvdmaaqiasgmayvermn yvhrdlraanilvgenlvckvadfglarliedneytarqgakfpikwtapeaalygrfti ksdvwsfgilltelttkgrvpypgmvnrevldqvergyrmpcppecpeslhdlmcqcwrk epeerptfeylqafledyftstepqyqpgenl
>1kswA (A:) ttfvalydyesrtetdlsfkkgerlqivnntegdwwlahslstgqtgyipsnyvapsdsi qaeewyfgkitrreserlllnaenprgtflvresettkgayclsvsdfdnakglnvkhyk irkldsggfyitsrtqfnslqqlvayyskhadglchrlttvcptskpqtqglakdaweip reslrlevklgqgcfgevwmgtwngttrvaiktlkpgtmspeaflqeaqvmkklrheklv qlyavvseepiyivgeymskgslldflkgetgkylrlpqlvdmaaqiasgmayvermnyv hrdlraanilvgenlvckvadfglarliedneytarqgakfpikwtapeaalygrftiks dvwsfgilltelttkgrvpypgmvnrevldqvergyrmpcppecpeslhdlmcqcwrkep eerptfeylqafledyftstepqyqpgenl