>tr|Q31FD6|Q31FD6_HYDCU carbonic anhydrase OS=Hydrogenovibrio crunogenus GN=Tcr_1545 MKKRFSFIFIFLVALPLYSANNVAAPLIDLGAEAKKQAQKSAATQSAVPEKESATKVAEK QKEPEEKAKPEPKKPPHWGYFGEEGPQYWGELAPEFSTCKTGKNQSPINLKPQTAVGTTS LPGFDVYYRETALKLINNGHTLQVNIPLGSYIKINGHRYELLQYHFHTPSEHQRDGFNYP MEMHLVHKDGDGNLAVIAILFQEGEENETLAKLMSFLPQTLKKQEIHESVKIHPAKFFPA DKKFYKYSGSLTTPPCSEGVYWMVFKQPIQASVTQLEKMHEYLGSNARPVQRQNARTLLK SWPDRNRANTVYEFY