Article
Inverse regulation of F1-ATPase activity by a mutation at the regulatory region on the gamma subunit of chloroplast ATP synthase.
The Biochemical journal - 15 Dec 2000
Konno H, Yodogawa M, Stumpp M T, Kroth P, Strotmann H, Motohashi K, Amano T, Hisabori T
Abstract excerpt
Chloroplast ATP synthase is a thiol-modulated enzyme whose DeltamuH(+)-linked activation is strongly influenced by reduction and the formation of a disulphide bridge between Cys(199) and Cys(205) on the gamma subunit. In solubilized chloroplast coupling factor 1 (CF(1)), reduction of the disulphide bond elicits the latent ATP-hydrolysing activity. To assess the regulatory importance of the amino acid residues...
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