Plastocyanin reactions with inorganic complexes

In studies of reactions with inorganic complexes, it has been shown that small sequence differences in plastocyanins can lead to observable changes in ET rates. For example, in S.o. plastocyanin, a slight decrease in ET... [Pg.286]

Rates of Reactions of Plastocyanin with Inorganic Complexes ... [Pg.286]

A mechanism involving protein-complex association prior to electron transfer has been proposed to explain deviations from first-order behaviour in the oxidations and reductions of parsley and spinach plastocyanins and Ps. aeruginosa azurin > with inorganic reagents. The oxidations of reduced plastocyanin by [Co(phen)3] + and [Fe(CN)i ] have a pH dependence indicative of redox-inactive protonated forms of the protein with pKa values 6.1 and 5.7 respectively. For the reaction with [Co(phen)3] +,... [Pg.325]

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