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Chemical evolution of peroxidase--amino acid pentacyanoferrate (II) complexes as model
Kamaluddin1, M Nath, S W Deopujari
1Department of Chemistry, University of Roorkee, India.
Abstract:
Complexes of the type [Fe(II)(CN)5(L)]n- (where n = 3, or 4; L = glycine, histidine, imidazole, and triglycine) are proposed as evolutionary model of peroxidases. Detailed kinetic investigation for disproportionation of hydrogen peroxide catalysed by [Fe(II)(CN)5(L)]n- complexes at 40 degrees C and pH 9.18 are discussed. Decomposition of hydrogen peroxide catalysed by above complexes conforms to Michaelis-Menten type kinetics.