Article
Role of Trp19 and Tyr200 in catalysis by the γ-class carbonic anhydrase from Methanosarcina thermophila.
Archives of biochemistry and biophysics - 1 Jan 2013
Zimmerman Sabrina, Domsic John F, Tu Chingkuang, Robbins Arthur H, McKenna Robert, Silverman David N, Ferry James G
Abstract excerpt
Although widely distributed in Nature, only two γ class carbonic anhydrases are reported besides the founding member (Cam). Although roles for active-site residues important for catalysis have been identified in Cam, second shell residues have not been investigated. Two residues (Trp19 and Tyr200), positioned distant from the catalytic metal, were investigated by structural and kinetic analyses of replacement...
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