Chains and heterogens:
PDB Chain Sequences:
>1cb2A (A:) tatysgnpfvgvtpwanayyasevsslaipsltgamataaaavakvpsfmwldtldktpl meqtladirtanknggnyagqfvvfdlpdrdcaalasngeysiadggvakyknyidtirq ivveysdirtllviepdslanlvtnlgtpkcanaqsaylecinyavtqlnlpnvamylda ghagwlgwpanqdpaaqlfanvyknasspralrglatnvanyngwnitsppsytqgnavy neklyihaigpllanhgwsnaffitdqgrsgkqptgqqqwgdwcnvigtgfgirpsantg dslldsfvwvkpggecdgtsdssaprfdshcalpdalqpapqagawfqayfvqlltnanp sfl
>1cb2B (B:) tatysgnpfvgvtpwanayyasevsslaipsltgamataaaavakvpsfmwldtldktpl meqtladirtanknggnyagqfvvfdlpdrdcaalasngeysiadggvakyknyidtirq ivveysdirtllviepdslanlvtnlgtpkcanaqsaylecinyavtqlnlpnvamylda ghagwlgwpanqdpaaqlfanvyknasspralrglatnvanyngwnitsppsytqgnavy neklyihaigpllanhgwsnaffitdqgrsgkqptgqqqwgdwcnvigtgfgirpsantg dslldsfvwvkpggecdgtsdssaprfdshcalpdalqpapqagawfqayfvqlltnanp sfl