Steroidogenic cytochrome P450 17A1 structure and function.

Steroidogenic cytochrome P450 17A1 structure and function.
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DOI:
10.1016/j.mce.2021.111261
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发表时间:
2021-05-15
影响因子:
4.1
通讯作者:
Scott EE
Scott EE
中科院分区:
医学2区
文献类型:
--
作者:
Burris-Hiday SD;Scott EE

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细胞色素P450 17 A1(CYP 17 A1)是一种关键的类固醇生成酶,对产生糖皮质激素和性激素至关重要。本文综述了CYP 17 A1的复杂活性,研究了它在经典和后门类固醇生成途径中的作用,以及它进行羟基化反应和碳-碳裂解或裂解酶反应的复杂化学反应。功能和结构的调查告知我们的知识,这两个反应。本文综述了这一讨论的几个具体方面:反应中间体的身份,羟基化和裂解酶反应的协调,细胞色素b5的影响,构象选择。这些讨论提高了对CYP 17 A1在生理环境中的理解,其中CYP 17 A1与多种类固醇生成性疾病有关。这些信息可用于改善有效调节CYP 17 A1的方法,以治疗前列腺癌和乳腺癌、库欣综合征和胶质母细胞瘤等疾病。
Cytochrome P450 17A1 (CYP17A1) is a critical steroidogenic enzyme, essential for producing glucocorticoids and sex hormones. This review discusses the complex activity of CYP17A1, looking at its role in both the classical and backdoor steroidogenic pathways and the complex chemistry it carries out to perform both a hydroxylation reaction and a carbon-carbon cleavage, or lyase reaction. Functional and structural investigations have informed our knowledge of these two reactions. This review focuses on a few specific aspects of this discussion: the identities of reaction intermediates, the coordination of hydroxylation and lyase reactions, the effects of cytochrome b5, and conformational selection. These discussions improve understanding of CYP17A1 in a physiological setting, where CYP17A1 is implicated in a variety of steroidogenic diseases. This information can be used to improve ways in which CYP17A1 can be effectively modulated to treat diseases such as prostate and breast cancer, Cushing’s syndrome, and glioblastoma.
基于结构的抑制剂,具有在细胞色素P450 21a2上对类固醇生成细胞色素P450 17A1的选择性提高的抑制剂。
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