Wild-type alpha 1-antitrypsin is in the canonical inhibitory conformation.

Abstract

alpha 1-Antitrypsin is the archetypal member of the serine proteinase inhibitor or serpin superfamily. Members of the family show structural homology based on a dominant A beta-sheet and a mobile reactive centre loop. Our recent crystal structure of alpha 1-antitrypsin stabilized with a point mutation showed the loop to be in a canonical inhibitory… (More)

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