Chains and heterogens:
PDB Chain Sequences:
>1cqxA (A:) mltqktkdivkatapvlaehgydiikcfyqrmfeahpelknvfnmahqeqgqqqqalara vyayaeniedpnslmavlkniankhaslgvkpeqypivgehllaaikevlgnaatddiis awaqaygnladvlmgmeselyersaeqpggwkgwrtfvirekrpesdvitsfilepadgg pvvnfepgqytsvaidvpalglqqirqyslsdmpngrtyrisvkregggpqppgyvsnll hdhvnvgdqvklaapygsfhidvdaktpivlisggvgltpmvsmlkvalqapprqvvfvh garnsavhamrdrlreaaktyenldlfvfydqplpedvqgrdydypglvdvkqieksill pdadyyicgpipfmrmqhdalknlgihearihyevfgpdlfae
>1cqxB (B:) mltqktkdivkatapvlaehgydiikcfyqrmfeahpelknvfnmahqeqgqqqqalara vyayaeniedpnslmavlkniankhaslgvkpeqypivgehllaaikevlgnaatddiis awaqaygnladvlmgmeselyersaeqpggwkgwrtfvirekrpesdvitsfilepadgg pvvnfepgqytsvaidvpalglqqirqyslsdmpngrtyrisvkregggpqppgyvsnll hdhvnvgdqvklaapygsfhidvdaktpivlisggvgltpmvsmlkvalqapprqvvfvh garnsavhamrdrlreaaktyenldlfvfydqplpedvqgrdydypglvdvkqieksill pdadyyicgpipfmrmqhdalknlgihearihyevfgpdlfae