>4pxx_A mol:protein length:260 Carbonic anhydrase 2MSHHWGYGKHNGPEHWHKDFPICKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKGGPLDGTYRLIQFHFHWGSHDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVDVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPCLESVTWIVLKEPISVSSEQVSKFRKLNFNGEGEPEEPMVDNWRPAQPLKNRQIKASFK