Chains and heterogens:
PDB Chain Sequences:
>6an1A (A:) gshmeissdidqlnpesadlralakhlydsyiksfpltkakarailtgkttdkspfviyd mnslmmgedkikfkhitplqeqskevairifqgcqfrsveavqeiteyaksipgfvnldl ndqvtllkygvheiiytmlaslmnkdgvlisegqgfmtreflkslrkpfgdfmepkfefa vkfnalelddsdlaifiaviilsgdrpgllnvkpiediqdnllqalelqlklnhpessql fakllqkmtdlrqivtehvqllqvikktetdmslhpllqeiykdly
>6an1A (A:) lnpesadlralakhlydsyiksfpltkakarailtgkttdkspfviydmnslmmgedkik kevairifqgcqfrsveavqeiteyaksipgfvnldlndqvtllkygvheiiytmlaslm nkdgvlisegqgfmtreflkslrkpfgdfmepkfefavkfnalelddsdlaifiaviils gdrpgllnvkpiediqdnllqalelqlklnhpessqlfakllqkmtdlrqivtehvqllq vikktetdmslhpllqeiykd
>6an1B (B:) gshmeissdidqlnpesadlralakhlydsyiksfpltkakarailtgkttdkspfviyd mnslmmgedkikfkhitplqeqskevairifqgcqfrsveavqeiteyaksipgfvnldl ndqvtllkygvheiiytmlaslmnkdgvlisegqgfmtreflkslrkpfgdfmepkfefa vkfnalelddsdlaifiaviilsgdrpgllnvkpiediqdnllqalelqlklnhpessql fakllqkmtdlrqivtehvqllqvikktetdmslhpllqeiykdly
>6an1B (B:) sadlralakhlydsyiksfpltkakarailtgkdkspfviydmnslmmgedkikfkhike vairifqgcqfrsveavqeiteyaksipgfvnldlndqvtllkygvheiiytmlaslmnk dgvlisegqgfmtreflkslrkpfgdfmepkfefavkfnalelddsdlaifiaviilsgd rpgllnvkpiediqdnllqalelqlklnhpessqlfakllqkmtdlrqivtehvqllqvi kktehpllqeiyk