Chains and heterogens:
PDB Chain Sequences:
>1qk0A (A:) tatysgnpfvgvtpwanayyasevsslaipsltgamataaaavakvpsfmwldtldktpl meqtladirtanknggnyagqfvvydlpdrdcaalasngeysiadggvakyknyidtirq ivveysdirtllviepdslanlvtnlgtpkcanaqsaylecinyavtqlnlpnvamylda ghagwlgwpanqdpaaqlfanvyknasspralrglatnvanyngwnitsppsytqgnavy neklyihaigpllanhgwsnaffitdqgrsgkqptgqqqwgdwcnvigtgfgirpsantg dslldsfvwvkpggecdgtsdssaprfdshcalpdalqpapqagawfqayfvqlltnanp sfl
>1qk0B (B:) tatysgnpfvgvtpwanayyasevsslaipsltgamataaaavakvpsfmwldtldktpl meqtladirtanknggnyagqfvvydlpdrdcaalasngeysiadggvakyknyidtirq ivveysdirtllviepdslanlvtnlgtpkcanaqsaylecinyavtqlnlpnvamylda ghagwlgwpanqdpaaqlfanvyknasspralrglatnvanyngwnitsppsytqgnavy neklyihaigpllanhgwsnaffitdqgrsgkqptgqqqwgdwcnvigtgfgirpsantg dslldsfvwvkpggecdgtsdssaprfdshcalpdalqpapqagawfqayfvqlltnanp sfl