嘌呤对盘基网柄菌β-葡萄糖苷酶的抑制作用。
Inhibition of Dictyostelium discoideum beta-glucosidase by purines.
作者信息
Parish R W
出版信息
J Bacteriol. 1977 Mar;129(3):1642-4. doi: 10.1128/jb.129.3.1642-1644.1977.
Abstract
beta-Glucosidase of Dictyostelium discoideum is inhibited by purines in the following order: adenine greater than adenosine greater than 6-methylaminopurine greater than hypoxanthine greater than inosine greater than purine greater than guanosine. Adenine inhibits activity by 50% at 1 to 2 mM. The kinetics are complex because the enzyme is stimulated by substrate and inhibited by glucose.
摘要
盘基网柄菌的β-葡萄糖苷酶被嘌呤按以下顺序抑制：腺嘌呤＞腺苷＞6-甲基氨基嘌呤＞次黄嘌呤＞肌苷＞嘌呤＞鸟苷。腺嘌呤在1至2 mM时可抑制活性50%。动力学较为复杂，因为该酶受底物刺激且受葡萄糖抑制。
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