Chains and heterogens:
PDB Chain Sequences:
>4by0A (A:) makktsskgklppvypvtvpflghivqfgknplefmqrckrdlksgvftisiggqrvtiv gdphehsrffsprneilsprevytimtpvfgegvayaapyprmreqlnflaeeltiakfq nfvpaiqhevrkfmaenwkedegvinlledcgamiintacqclfgedlrkrlnarhfaql lskmesslipaavfmpwllrlplpqsarcrearaelqkilgeiivarekeeaskdnntsd llggllkavyrdgtrmslhevcgmivaamfagqhtstittswsmlhlmhpknkkwldklh keidefpaqlnydnvmdempfaercvresirrdppllmvmrmvkaevkvgsyvvpkgdii acspllshhdeeafpnprlwdperdekvdgafigfgagvhkcigqkfallqvktilataf reydfqllrdevpdpdyhtmvvgptlnqclvkytrkkklpshhhhhh
>4by0A (A:) klppvypvtvpflghivqfgknplefmqrckrdlksgvftisiggqrvtivgdphehsrf fsprneilsprevytimtpvfgegvayaapyprmreqlnflaeeltiakfqnfvpaiqhe vrkfmaenwkedegvinlledcgamiintacqclfgedlrkrlnarhfaqllskmessli paavfmpwllrlplpqsarcrearaelqkilgeiivarekeetsdllggllkavyrdgtr mslhevcgmivaamfagqhtstittswsmlhlmhpknkkwldklhkeidefpaqlnydnv mdempfaercvresirrdppllmvmrmvkaevkvgsyvvpkgdiiacspllshhdeeafp nprlwdperdekvdgafigfgagvhkcigqkfallqvktilatafreydfqllrdevpdp dyhtmvvgptlnqclvkytrk
>4by0B (B:) makktsskgklppvypvtvpflghivqfgknplefmqrckrdlksgvftisiggqrvtiv gdphehsrffsprneilsprevytimtpvfgegvayaapyprmreqlnflaeeltiakfq nfvpaiqhevrkfmaenwkedegvinlledcgamiintacqclfgedlrkrlnarhfaql lskmesslipaavfmpwllrlplpqsarcrearaelqkilgeiivarekeeaskdnntsd llggllkavyrdgtrmslhevcgmivaamfagqhtstittswsmlhlmhpknkkwldklh keidefpaqlnydnvmdempfaercvresirrdppllmvmrmvkaevkvgsyvvpkgdii acspllshhdeeafpnprlwdperdekvdgafigfgagvhkcigqkfallqvktilataf reydfqllrdevpdpdyhtmvvgptlnqclvkytrkkklpshhhhhh
>4by0B (B:) klppvypvtvpflghivqfgknplefmqrckrdlksgvftisiggqrvtivgdphehsrf fsprneilsprevytimtpvfgegvayaapyprmreqlnflaeeltiakfqnfvpaiqhe vrkfmaenwkedegvinlledcgamiintacqclfgedlrkrlnarhfaqllskmessli paavfmpwllrlplpqsarcrearaelqkilgeiivarekeeatsdllggllkavyrdgt rmslhevcgmivaamfagqhtstittswsmlhlmhpknkkwldklhkeidefpaqlnydn vmdempfaercvresirrdppllmvmrmvkaevkvgsyvvpkgdiiacspllshhdeeaf pnprlwdperdekvdgafigfgagvhkcigqkfallqvktilatafreydfqllrdevpd pdyhtmvvgptlnqclvkytrk