Chains and heterogens:
PDB Chain Sequences:
>2y9nA (A:) eqvctqqaethppltwqkctasgctpqqgsvvldanwrwthdtksttncydgntwsstlc pddatcaknccldganysgtygvttsgdaltlqfvtasnvgsrlylmandstyqeftlsg nefsfdvdvsqlpcglngalyfvsmdadggqskypgnaagakygtgycdsqcprdlkfin gqanvegwepssnnantgvgghgsccsemdiweansisealtphpcetvgqtmcsgdscg gtysndryggtcdpdgcdwnpyrlgntsfygpgssfaldttkkltvvtqfatdgsisryy vqngvkfqqpnaqvgsysgntintdycaaeqtafggtsftdkgglaqinkafqggmvlvm slwddyavnmlwldstyptnatastpgakrgscstssgvpaqveaqspnskviysnirfg pigstggntgsn
>2y9nA (A:) eqvctqqaethppltwqkctasgctpqqgsvvldanwrwthdtksttncydgntwsstlc pddatcaknccldganysgtygvttsgdaltlqfvtasnvgsrlylmandstyqeftlsg nefsfdvdvsqlpcglngalyfvsmdadggqskypgnaagakygtgycdsqcprdlkfin gqanvegwepssnnantgvgghgsccsemdiweansisealtphpcetvgqtmcsgdscg gtysndryggtcdpdgcdwnpyrlgntsfygpgssfaldttkkltvvtqfatdgsisryy vqngvkfqqpnaqvgsysgntintdycaaeqtafggtsftdkgglaqinkafqggmvlvm slwddyavnmlwldstyptnatastpgakrgscstssgvpaqveaqspnskviysnirfg pigstggn