Rafika El Ati

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1 INTRODUCTION The carbonic anhydrase (CAs) enzyme family, also known as carbonate dehydratases, is a large family of metalloenzymes found in eukaryotes and prokaryotes, which are capable of catalyzing the reversible interconversion of CO2 to HCO3– and a proton.[1] This enzyme family are divided into eight members that are coded differently from each other.