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单词 Carbonic anhydrase v
释义

Carbonic anhydrase v

英语百科

Carbonic anhydrase

(重定向自Carbonic anhydrase v)
Close-up rendering of active site of human carbonic anhydrase II, showing three histidine residues and a hydroxide group coordinating (dashed lines) the zinc ion at center. From PDB: 1CA2​.
Ribbon diagram of human carbonic anhydrase II. Active site zinc ion visible at center. From PDB: 1CA2​.

The carbonic anhydrases (or carbonate dehydratases) form a family of enzymes that catalyze the rapid interconversion of carbon dioxide and water to bicarbonate and protons (or vice versa), a reversible reaction that occurs relatively slowly in the absence of a catalyst. The active site of most carbonic anhydrases contains a zinc ion; they are therefore classified as metalloenzymes.

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