Chains and heterogens:
PDB Chain Sequences:
>3copA (A:) mqvlhvcsemfpllktggladvigalpaaqiadgvdarvllpafpdirrgvtdaqvvsrr dtfaghitllfghyngvgiylidaphlydrpgspyhdtnlfaytdnvlrfallgwvgaem asgldpfwrpdvvhahdwhaglapaylaargrpaksvftvhnlayqgmfyahhmndiqlp wsffnihglefngqisflkaglyyadhitavsptyareitepqfaygmegllqqrhregr lsgvlngvdekiwspetdlllasrytrdtledkaenkrqlqiamglkvddkvplfavvsr ltsqkgldlvlealpglleqggqlallgagdpvlqegflaaaaeypgqvgvqigyheafs hrimggadvilvpsrfapcgltqlyglkygtlplvrrtggladtvsdcslenladgvasg fvfedsnawsllrairrafvlwsrpslwrfvqrqamamdfswqvaaksyrelyyrlkleh hhhhh
>3copA (A:) mqvlhvcsemfpllktggladvigalpaaqiadgvdarvllpafpdirrgvtdaqvvsrr dtfaghitllfghyngvgiylidaphlydrpgspyhdtnlfaytdnvlrfallgwvgaem asgldpfwrpdvvhahdwhaglapaylaargrpaksvftvhnlayqgmfyahhmndiqlp wsffnihglefngqisflkaglyyadhitavsptyareitepqfaygmegllqqrhregr lsgvlngvdekiwspetdlllasrytrdtledkaenkrqlqiamglkvddkvplfavvsr ltsqkgldlvlealpglleqggqlallgagdpvlqegflaaaaeypgqvgvqigyheafs hrimggadvilvpsrfapcgltqlyglkygtlplvrrtggladtvsdcslenladgvasg fvfedsnawsllrairrafvlwsrpslwrfvqrqamamdfswqvaaksyrelyyrl