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  • Title: Syntheses and structures of M(L)(X)BPh4 complexes (M = Co(II), Zn(II); L = cis-1,3,5-tris[3-(2-furyl)prop-2-enylideneamino]cyclohexane, X = OAc, NO3) n: structural models of the active site of carbonic anhydrase.
    Author: Cronin L, Foxon SP, Lusby PJ, Walton PH.
    Journal: J Biol Inorg Chem; 2001 Apr; 6(4):367-77. PubMed ID: 11376544.
    Abstract:
    The metal coordination geometries in the structures of the zinc(II) and cobalt(II) complexes of the ligand cis-1,3,5-tris[3-(2-furyl)prop-2-enylideneamino]cyclohexane (fr-protach) and with the anions nitrate and acetate are structural models for the active site of carbonic anhydrase. The acetate structures show a striking structural correlation with the metal coordination environments in the known bicarbonate forms of the enzyme. Such structures provide a basis for understanding the marked effect of different metal substitution on the catalytic rate of the enzyme.
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