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1
Control of ram sperm adenylate cyclase by divalent cations.二价阳离子对公羊精子腺苷酸环化酶的调控
Aust J Biol Sci. 1988;41(3):377-85. doi: 10.1071/bi9880377.
2
The effect of divalent cations on bovine spermatozoal adenylate cyclase activity.二价阳离子对牛精子腺苷酸环化酶活性的影响。
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EGTA-sensitive and -insensitive forms of particulate adenylate cyclase in rat cerebral cortex: regulation by divalent cations and GTP.大鼠大脑皮层中对乙二醇双(2-氨基乙基醚)四乙酸(EGTA)敏感和不敏感的颗粒型腺苷酸环化酶形式:二价阳离子和鸟苷三磷酸(GTP)的调节作用
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A model for the regulation of brain adenylate cyclase by ionic equilibria.一种通过离子平衡调节脑腺苷酸环化酶的模型。
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引用本文的文献

1
Conservation of functional domain structure in bicarbonate-regulated "soluble" adenylyl cyclases in bacteria and eukaryotes.细菌和真核生物中碳酸氢盐调节的“可溶性”腺苷酸环化酶功能域结构的保守性。
Dev Genes Evol. 2004 Oct;214(10):503-9. doi: 10.1007/s00427-004-0432-2. Epub 2004 Aug 20.

二价阳离子对公羊精子腺苷酸环化酶的调控

Control of ram sperm adenylate cyclase by divalent cations.

作者信息

Goh P P, White I G

机构信息

Department of Veterinary Physiology, University of Sydney, N.S.W.

出版信息

Aust J Biol Sci. 1988;41(3):377-85. doi: 10.1071/bi9880377.

DOI:10.1071/bi9880377
PMID:3270503
Abstract

The adenylate cyclase activity of ram sperm increased on freeze-thawing and the enzyme was stable at 0 degrees C. Its activity was stimulated by Mn2+, Zn2+, Co2+, Mg2+ and Ca2+ in descending order of activity. The enzyme was insensitive to fluoride when Mn2+ concentration was in excess. Mn2+-stimulated enzyme activity was decreased by the simultaneous addition of Co2+, or Cd2+, or Ni2+, and particularly Cu2+. Sulfhydryl compounds (viz. dithiothreitol, glutathione, dithiocarbamate, 2-mercaptoethanol, ergothioneine and cysteine) and chelating agents (viz. D-penicillamine and 8-hydroxyquinoline) were effective, to varying degrees, in overcoming the inhibition by Cu2+. Ca2+ augmented the stimulatory effect of Mg2+, Co2+, Zn2+ and Mn2+ on enzyme activity.

摘要

公羊精子的腺苷酸环化酶活性在冻融后增加,且该酶在0℃时稳定。其活性受到Mn2+、Zn2+、Co2+、Mg2+和Ca2+的刺激,活性顺序递减。当Mn2+浓度过量时,该酶对氟化物不敏感。同时添加Co2+、Cd2+、Ni2+,尤其是Cu2+时,Mn2+刺激的酶活性会降低。巯基化合物(即二硫苏糖醇、谷胱甘肽、二硫代氨基甲酸盐、2-巯基乙醇、麦角硫因和半胱氨酸)和螯合剂(即D-青霉胺和8-羟基喹啉)在不同程度上有效克服Cu2+的抑制作用。Ca2+增强了Mg2+、Co2+、Zn2+和Mn2+对酶活性的刺激作用。