Chains and heterogens:
PDB Chain Sequences:
>2ptk_ (-) vttfvalydyesrtetdlsfkkgerlqivnntegdwwlahslttgqtgyipsnyvapsds iqaeewyfgkitrreserlllnpenprgtflvresettkgayclsvsdfdnakglnvkhy kirkldsggfyitsrtqfsslqqlvayyskhadglchrltnvcptskpqtqglakdawei preslrlevklgqgcfgevwmgtwngttrvaiktlkpgnmspeaflqeaqvmkklrhekl vqlyavvseepiyivteymskgslldflkgemgkylrlpqlvdmaaqiasgmayvermny vhrdlraanilvgenlvckvadfglgrliedneytarqgakfpikwtapeaalygrftik sdvwsfgilltelttkgrvpypgmvnrevldqvergyrmpcppecpeslhdlmcqcwrkd peerptfeylqafledyftstepqyq
>2ptk_ (-) vttfvalydyesrtetdlsfkkgerlqivnntegdwwlahslttgqtgyipsnyvapsds iqaeewyfgkitrreserlllnpenprgtflvresettkgayclsvsdfdnakglnvkhy kirkldsggfyitsrtqfsslqqlvayyskhadglchrltnvcptskpqtqglakdawei preslrlevklgqgcfgevwmgtwngttrvaiktlkppeaflqeaqvmkklrheklvqly avvseepiyivteymskgslldflkgemgkylrlpqlvdmaaqiasgmayvermnyvhrd lraanilvgenlvckvadfglfpikwtapeaalygrftiksdvwsfgilltelttkgrvp ypgmvnrevldqvergyrmpcppecpeslhdlmcqcwrkdpeerptfeylqafledyfts tepqyq