Effect of glutathione on ribonuclease.


GSH, but not GSSG, inhibits the reactivation by phosphate ion of ribonuclease activity inactivated by urea or guanidine. The effects of GSH are rather slow and pretreatment of ribonuclease with urea is a requisite for the inhibitory action of GSH on enzyme reactivation. GSH is more effective in urea than in guanidine and its action is greatly enhanced by… (More)


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