Chains and heterogens:
PDB Chain Sequences:
>6bu1A (A:) mtdrvsvgnlriarvlydfvnnealpgtdidpdsfwagvdkvvadltpqnqallnardel qaqidkwhrrrviepidmdayrqflteigyllpepddftittsgvdaeitttagpqlvvp vlnarfalnaanarwgslydalygtdvipetdgaekgptynkvrgdkviayarkflddsv plssgsfgdatgftvqdgqlvvalpdkstglanpgqfagytgaaesptsvllinhglhie ilidpesqvgttdragvkdvilesaittimdfedsvaavdaadkvlgyrnwlglnkgdla aavdkdgtaflrvlnrdrnytapgggqftlpgrslmfvrnvghlmtndaivdtdgsevfe gimdalftgliaihglkasdvngplinsrtgsiyivkpkmhgpaevaftcelfsrvedvl glpqntmkigimdeerrttvnlkacikaaadrvvfintgfldrtgdeihtsmeagpmvrk gtmksqpwilayedhnvdaglaagfsgraqvgkgmwtmtelmadmvetkiaqpragasta wvpsptaatlhalhyhqvdvaavqqglagkrratieqlltiplakelawapdeireevdn ncqsilgyvvrwvdqgvgaskvpdihdvalmedratlrissqllanwlrhgvitsadvra slermaplvdrqnagdvayrpmapnfddsiaflaaqelilsgaqqpngytepilhrrrre fkaraaekpapsdragddaar
>6bu1A (A:) drvsvgnlriarvlydfvnnealpgtdidpdsfwagvdkvvadltpqnqallnardelqa qidkwhrrrviepidmdayrqflteigyllpepddftittsgvdaeitttagpqlvvpvl narfalnaanarwgslydalygtdvipetdgaekgptynkvrgdkviayarkflddsvpl ssgsfgdatgftvqdgqlvvalpdkstglanpgqfagytgaaesptsvllinhglhieil idpesqvgttdragvkdvilesaittimdfedsvaavdaadkvlgyrnwlglnkgdlaar vlnrdrnytapgggqftlpgrslmfvrnvghlmtndaivdtdgsevfegimdalftglia ihglkasgplinsrtgsiyivkpkmhgpaevaftcelfsrvedvlglpqntmkigimdee rrttvnlkacikaaadrvvfintgfldrtgdeihtsmeagpmvrkgtmksqpwilayedh nvdaglaagfsgraqvgkgmwtmtelmadmvetkiaqpragastawvpsptaatlhalhy hqvdvaavqqglagkrratieqlltiplakelawapdeireevdnncqsilgyvvrwvdq gvgaskvpdihdvalmedratlrissqllanwlrhgvitsadvraslermaplvdrqnag dvayrpmapnfddsiaflaaqelilsgaqqpngytepilhrrrrefkaraae