Carbonic anhydrase Carbonate dehydratase Reversible hydration of carbon dioxide. 330 CAHX_FLABI MSAASAFAMNAPSFVNASSLKKASTSARSGVLSARFTCNSSSSSSSSATPPSLIRNEPVFAAPAPIITPNWTEDGNESYEEAIDALKKTLIEKGELEPVAATRIDQITAQAAAPDTKAPFDPVERIKSGFVKFKTEKFVTNPALYDELAKGQSPKFMVFACSDSRVCPSHVLDFQPGEAFVVRNVANMVPPFDKTKYSGVGAAVEYAVLHLKVQEIFVIGHSRCGGIKGLMTFPDEGPHSTDFIEDWVKVCLPAKSKVVAEHNGTHLDDQCVLCEKEAVNVSLGNLLTYPFVRDGLRNKTLALKGGHYDFVNGTFELWALDFGLSSPTSV