Protein tyrosine phosphatases--from housekeeping enzymes to master regulators of signal transduction.

Protein tyrosine phosphatases--from housekeeping enzymes to master regulators of signal transduction.
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DOI:
10.1111/febs.12077
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发表时间:
2013-01
期刊:
The FEBS journal
影响因子:
--
通讯作者:
Tonks NK
Tonks NK
中科院分区:
其他
文献类型:
--
作者:
Tonks NK

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围绕蛋白磷酸酶在信号转导调节中的作用存在许多误解,其中最具破坏性的可能是错误的观点,即这些酶仅作为组成型活性管家酶发挥作用。相反,磷酸酶本身是信号传导的关键、特异性调节剂,并以与激酶协调的方式发挥基本功能,以确定对生理刺激的反应。这篇综述是对我们对蛋白酪氨酸磷酸酶(PTP)家族酶的理解的发展的个人观点。我已经讨论了PTP家族的结构、调节和功能的各个方面,我希望这将说明这些酶对控制信号转导的根本重要性。
There are many misconceptions surrounding the roles of protein phosphatases in the regulation of signal transduction, perhaps the most damaging of which is the erroneous view that these enzymes exert their effects merely as constitutively active housekeeping enzymes. On the contrary, the phosphatases are critical, specific regulators of signaling in their own right and serve an essential function, in a coordinated manner with the kinases, to determine the response to a physiological stimulus. This review is a personal perspective on the development of our understanding of the protein tyrosine phosphatase (PTP) family of enzymes. I have discussed various aspects of the structure, regulation and function of the PTP family, which I hope will illustrate the fundamental importance of these enzymes to the control of signal transduction.
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