巴西固氮螺菌中磷酸烯醇丙酮酸：果糖1 - 磷酸转移酶系统的鉴定
Identification of a phosphoenolpyruvate:fructose 1-phosphotransferase system in Azospirillum brasilense.
作者信息
Gupta K D, Ghosh S
出版信息
J Bacteriol. 1984 Dec;160(3):1204-6. doi: 10.1128/jb.160.3.1204-1206.1984.
Abstract
An inducible phosphoenolpyruvate:fructose phosphotransferase system has been detected in Azospirillum brasilense, which requires a minimum of two components of the crude extracts for activity: (i) a soluble fraction (enzyme I) and (ii) a membrane fraction (enzyme II). The uninduced cells neither show any uptake of fructose nor express activity of either of these two enzyme fractions. C-1 of fructose is the site of phosphorylation. This phosphotransferase system does not accept glucose as a substrate for phosphorylation.
摘要
在巴西固氮螺菌中检测到一种可诱导的磷酸烯醇丙酮酸
果糖磷酸转移酶系统，该系统的活性至少需要粗提物中的两种成分：（i）可溶性部分（酶I）和（ii）膜部分（酶II）。未诱导的细胞既不显示果糖的摄取，也不表达这两种酶部分中任何一种的活性。果糖的C-1是磷酸化位点。这种磷酸转移酶系统不接受葡萄糖作为磷酸化的底物。
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