Article
Kinetic and physiological effects of alterations in homologous isocitrate-binding sites of yeast NAD(+)-specific isocitrate dehydrogenase.
Biochemistry - 27 Nov 2001
Lin A P, McCammon M T, McAlister-Henn L
Abstract excerpt
Yeast NAD(+)-specific isocitrate dehydrogenase is an allosterically regulated octameric enzyme composed of four each of two homologous but nonidentical subunits designated IDH1 and IDH2. Models based on the crystallographic structure of Escherichia coli isocitrate dehydrogenase suggest that both yeast subunits contain isocitrate-binding sites. Identities in nine residue positions are predicted for the IDH2 site...
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