Chains and heterogens:
PDB Chain Sequences:
>6x9yA (A:) snaapqqindivhrtitplieqqkipgmavaviyqgkpyyftwgyadiakkqpvtqqtlf elgsvsktftgvlggdaiargeiklsdpttkywpeltakqwngitllhlatytagglplq vpdevksssdllrfyqnwqpawapgtqrlyanssiglfgalavkpsglsfeqamktrvfq plklnhtwinvpsaeeknyawgyregkavhvspgaldaeaygvkstiedmarwvqsnlkp ldinektlqqgiqlaqsrywqtgdmyqglgwemldwpvnpdiiingsdnkialaarpvkp itpptpavraswvhktgatggfgsyvafipekelgivmlanknypnparvaaawqilnal q
>6x9yA (A:) apqqindivhrtitplieqqkipgmavaviyqgkpyyftwgyadiakkqpvtqqtlfelg svsktftgvlggdaiargeiklsdpttkywpeltakqwngitllhlatytagglplqvpd evksssdllrfyqnwqpawapgtqrlyanssiglfgalavkpsglsfeqamktrvfqplk lnhtwinvpsaeeknyawgyregkavhvspgaldaeaygvkstiedmarwvqsnlkpldi nektlqqgiqlaqsrywqtgdmyqglgwemldwpvnpdiiingsdnkialaarpvkpitp ptpavraswvhktgatggfgsyvafipekelgivmlanknypnparvaaawqilnalq
>6x9yB (B:) snaapqqindivhrtitplieqqkipgmavaviyqgkpyyftwgyadiakkqpvtqqtlf elgsvsktftgvlggdaiargeiklsdpttkywpeltakqwngitllhlatytagglplq vpdevksssdllrfyqnwqpawapgtqrlyanssiglfgalavkpsglsfeqamktrvfq plklnhtwinvpsaeeknyawgyregkavhvspgaldaeaygvkstiedmarwvqsnlkp ldinektlqqgiqlaqsrywqtgdmyqglgwemldwpvnpdiiingsdnkialaarpvkp itpptpavraswvhktgatggfgsyvafipekelgivmlanknypnparvaaawqilnal q
>6x9yB (B:) aapqqindivhrtitplieqqkipgmavaviyqgkpyyftwgyadiakkqpvtqqtlfel gsvsktftgvlggdaiargeiklsdpttkywpeltakqwngitllhlatytagglplqvp devksssdllrfyqnwqpawapgtqrlyanssiglfgalavkpsglsfeqamktrvfqpl klnhtwinvpsaeeknyawgyregkavhvspgaldaeaygvkstiedmarwvqsnlkpld inektlqqgiqlaqsrywqtgdmyqglgwemldwpvnpdiiingsdnkialaarpvkpit pptpavraswvhktgatggfgsyvafipekelgivmlanknypnparvaaawqilnalq