光诱导的D1蛋白降解由一种丝氨酸型蛋白酶催化。
Light-induced D1 protein degradation is catalyzed by a serine-type protease.
作者信息
Virgin I, Salter A H, Ghanotakis D F, Andersson B
机构信息
Department of Biochemistry, Arrhenius Laboratories, Stockholm University, Sweden.
出版信息
FEBS Lett. 1991 Aug 5;287(1-2):125-8. doi: 10.1016/0014-5793(91)80031-w.
PMID:1715282
Abstract
Light-induced degradation of the D1 protein in isolated spinach photosystem II core preparations was studied after addition of various protease inhibitors. The degradation was selectively inhibited by several serine protease inhibitors in particular diisopropylfluorophosphate. The results demonstrate that the D1 protein is degraded by a serine-type of proteolytic activity that is an integral part of photosystem II.
摘要
在添加各种蛋白酶抑制剂后，研究了光诱导分离的菠菜光系统II核心制剂中D1蛋白的降解情况。几种丝氨酸蛋白酶抑制剂，特别是二异丙基氟磷酸酯，能选择性地抑制这种降解。结果表明，D1蛋白是被一种丝氨酸类型的蛋白水解活性降解的，这种活性是光系统II的一个组成部分。
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