来自牛链球菌的两种磷酸糖磷酸酶的特性及其在诱导物排出中的潜在作用。
Properties of two sugar phosphate phosphatases from Streptococcus bovis and their potential involvement in inducer expulsion.
作者信息
Cook G M, Ye J J, Russell J B, Saier M H
机构信息
Section of Microbiology, Cornell University, Ithaca, NY 14853, USA.
出版信息
J Bacteriol. 1995 Dec;177(23):7007-9. doi: 10.1128/jb.177.23.7007-7009.1995.
Abstract
Streptococcus bovis possesses two sugar phosphate phosphatases (Pases). Pase I is a soluble enzyme that is inhibited by the membrane fractions from lactose-grown cells and is insensitive to activation by S46D HPr, an analog of HPr(ser-P) of the sugar phosphotransferase system. Pase II is a membrane-associated enzyme that can be activated 10-fold by S46D HPr, and it appears to play a role in inducer expulsion.
摘要
牛链球菌拥有两种磷酸糖磷酸酶（Pases）。磷酸酶I是一种可溶性酶，受乳糖生长细胞的膜组分抑制，对糖磷酸转移酶系统中HPr(ser-P)的类似物S46D HPr的激活不敏感。磷酸酶II是一种与膜相关的酶，可被S46D HPr激活10倍，它似乎在诱导物排出中起作用。
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