Chains and heterogens:
PDB Chain Sequences:
>1gviA (A:) mrkeaihhrstdnfayaydsetlhlrlqtkkndvdhvellfgdpyewhdgawqfqtmpmr ktgsdglfdywlaevkppyrrlrygfvlraggeklvytekgfyheapsddtayyfcfpfl hrvdlfqapdwvkdtvwyqifperfangnpaispkgarpwgsedptptsffggdlqgiid hldyladlgitgiyltpifrapsnhkydtadyfeidphfgdketlktlvkrchekgirvm ldavfnhcgyefapfqdvlkngaasrykdwfhirefplqteprpnydtfafvphmpklnt ahpevkrylldvatywirefdidgwrldvaneidhqfwrefrqavkalkpdvyilgliwh dampwlrgdqfdavmnypladaalrffakedmsasefadrlmhvlhsypkqvneaafnll gshdtprlltvcggdvrkvkllflfqltftgspciyygdeigmtggndpecrkcmvwdpe kqnkelyehvkqlialrkqyralrrgdvafltaddevnhlvyaktdgnetvmiiinrsne aaeipmpidargkwlvnlltgerfaaeaetlcvslppygfvlyavesw
>1gviB (B:) mrkeaihhrstdnfayaydsetlhlrlqtkkndvdhvellfgdpyewhdgawqfqtmpmr ktgsdglfdywlaevkppyrrlrygfvlraggeklvytekgfyheapsddtayyfcfpfl hrvdlfqapdwvkdtvwyqifperfangnpaispkgarpwgsedptptsffggdlqgiid hldyladlgitgiyltpifrapsnhkydtadyfeidphfgdketlktlvkrchekgirvm ldavfnhcgyefapfqdvlkngaasrykdwfhirefplqteprpnydtfafvphmpklnt ahpevkrylldvatywirefdidgwrldvaneidhqfwrefrqavkalkpdvyilgliwh dampwlrgdqfdavmnypladaalrffakedmsasefadrlmhvlhsypkqvneaafnll gshdtprlltvcggdvrkvkllflfqltftgspciyygdeigmtggndpecrkcmvwdpe kqnkelyehvkqlialrkqyralrrgdvafltaddevnhlvyaktdgnetvmiiinrsne aaeipmpidargkwlvnlltgerfaaeaetlcvslppygfvlyavesw