Chains and heterogens:
PDB Chain Sequences:
>1cxvA (A:) ynvfprtlkwsqtnltyrivnytpdmshsevekafrkafkvwsdvtplnftriydgtadi misfgtkehgdfypfdgpsgllahafppgpnyggdahfdddetwtssskgynlfivaahe lghslgldhskdpgalmfpiytytgkshfmlpdddvqgiqflyg
>1cxvA (A:) ynvfprtlkwsqtnltyrivnytpdmshsevekafrkafkvwsdvtplnftriydgtadi misfgtkehgdfypfdgpsgllahafppgpnyggdahfdddetwtssskgynlfivaahe lghslgldhskdpgalmfpiytytfmlpdddvqgiqflyg
>1cxvB (B:) ynvfprtlkwsqtnltyrivnytpdmshsevekafrkafkvwsdvtplnftriydgtadi misfgtkehgdfypfdgpsgllahafppgpnyggdahfdddetwtssskgynlfivaahe lghslgldhskdpgalmfpiytytgkshfmlpdddvqgiqflyg
>1cxvB (B:) ynvfprtlkwsqtnltyrivnytpdmshsevekafrkafkvwsdvtplnftriydgtadi misfgtkehgdfypfdgpsgllahafppgpnyggdahfdddetwtssskgynlfivaahe lghslgldhskdpgalmfpiytytfmlpdddvqgiqflyg