Chains and heterogens:
PDB Chain Sequences:
>3an3A (A:) gshmaeissdidqlnpesadlralakhlydsyiksfpltkakarailtgkttdkspfviy dmnslmmgedkikfkhitplqeqskevairifqgcqfrsveavqeiteyaksipgfvnld lndqvtllkygvheiiytmlaslmnkdgvlisegqgfmtreflkslrkpfgdfmepkfef avkfnalelddsdlaifiaviilsgdrpgllnvkpiediqdnllqalelqlklnhpessq lfakllqkmtdlrqivtehvqllqvikktetdmslhpllqeiykdl
>3an3A (A:) qlnpesadlralakhlydsyiksfpltkakarailtgkttdkspfviydmnslmmgedki skevairifqgcqfrsveavqeiteyaksipgfvnldlndqvtllkygvheiiytmlasl mnkdgvlisegqgfmtreflkslrkpfgdfmepkfefavkfnalelddsdlaifiaviil sgdrpgllnvkpiediqdnllqalelqlklnhpessqlfakllqkmtdlrqivtehvqll qvikktetdmslhpllqeiykdl
>3an3B (B:) gshmaeissdidqlnpesadlralakhlydsyiksfpltkakarailtgkttdkspfviy dmnslmmgedkikfkhitplqeqskevairifqgcqfrsveavqeiteyaksipgfvnld lndqvtllkygvheiiytmlaslmnkdgvlisegqgfmtreflkslrkpfgdfmepkfef avkfnalelddsdlaifiaviilsgdrpgllnvkpiediqdnllqalelqlklnhpessq lfakllqkmtdlrqivtehvqllqvikktetdmslhpllqeiykdl
>3an3B (B:) esadlralakhlydsyiksfpltkakarailtgktspfviydmnslmmgedkikfkhkev airifqgcqfrsveavqeiteyaksipgfvnldlndqvtllkygvheiiytmlaslmnkd gvlisegqgfmtreflkslrkpfgdfmepkfefavkfnalelddsdlaifiaviilsgdr pgllnvkpiediqdnllqalelqlklnhpessqlfakllqkmtdlrqivtehvqllqvik ktetdmslhpllqeiy