Serpin conformational change in ovalbumin. Enhanced reactive center loop insertion through hinge region mutations.

Abstract

Ovalbumin is a noninhibitory member of the serpin superfamily that does not spontaneously undergo the loop-to-sheet conformational change upon cleavage of its reactive center that is characteristic of inhibitory serpins. We tested the hypothesis that ovalbumin could be turned into a proteinase inhibitor by increasing the rate of loop insertion through hinge… (More)

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