核糖核酸酶III受T7蛋白激酶的正向调控。
RNase III is positively regulated by T7 protein kinase.
作者信息
Mayer J E, Schweiger M
出版信息
J Biol Chem. 1983 May 10;258(9):5340-3.
PMID:6406499
Abstract
RNase III activity of Escherichia coli is stimulated 4-fold after infection with bacterial virus T7. The mechanism of stimulation is based on phosphate transfer to RNase III by the T7 coded protein kinase. In vitro synthesized protein kinase also stimulates RNase III. Serine is the phosphate acceptor.
摘要
用细菌病毒T7感染大肠杆菌后，其核糖核酸酶III（RNase III）的活性会提高4倍。这种活性增强的机制是基于T7编码的蛋白激酶将磷酸基团转移至RNase III。体外合成的蛋白激酶也能刺激RNase III。丝氨酸是磷酸基团的受体。
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