Chains and heterogens:
PDB Chain Sequences:
>1ga9A (A:) apqqindivhrtitplieqqkipgmavaviyqgkpyyftwgyadiakkqpvtqqtlfelg svsktftgvlggdaiargeiklsdpttkywpeltakqwngitllhlatytagglplqvpd evksssdllrfyqnwqpawapgtqrlyanssiglfgalavkpsglsfeqamqtrvfqplk lnhtwinvppaeeknyawgyregkavhvspgaldaeaygvkstiedmarwvqsnlkpldi nektlqqgiqlaqsrywqtgdmyqglgwemldwpvnpdsiingsdnkialaarpvkaitp ptpavraswvhktgatggfgsyvafipekelgivmlanknypnparvdaawqilnalq
>1ga9B (B:) apqqindivhrtitplieqqkipgmavaviyqgkpyyftwgyadiakkqpvtqqtlfelg svsktftgvlggdaiargeiklsdpttkywpeltakqwngitllhlatytagglplqvpd evksssdllrfyqnwqpawapgtqrlyanssiglfgalavkpsglsfeqamqtrvfqplk lnhtwinvppaeeknyawgyregkavhvspgaldaeaygvkstiedmarwvqsnlkpldi nektlqqgiqlaqsrywqtgdmyqglgwemldwpvnpdsiingsdnkialaarpvkaitp ptpavraswvhktgatggfgsyvafipekelgivmlanknypnparvdaawqilnalq
>1ga9B (B:) apqqindivhrtitplieqqkipgmavaviyqgkpyyftwgyakkqpvtqqtlfelgsvs ktftgvlggdaiargeiklsdpttkywpeltakqwngitllhlatytagglplqvpdevk sssdllrfyqnwqpawapgtqrlyanssiglfgalavkpsglsfeqamqtrvfqplklnh twinvppaeeknyawgyravhvspgaldaeaygvkstiedmarwvqsnlkpldinektlq qgiqlaqsrywqtgdmyqglgwemldwpvnpdsiingsdnkialaarpvkaitpptpavr aswvhktgatggfgsyvafipekelgivmlanknypnparvdaawqilnalq