期刊
JOURNAL OF STEROID BIOCHEMISTRY AND MOLECULAR BIOLOGY
卷 151, 期 -, 页码 52-65出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jsbmb.2014.11.026
关键词
Androgen; 17-Hydroxylase; 17,20-Lyase; Hypertension; Metabolic switching; Steroidogenesis; Cytochrome P450
资金
- [R01GM086596]
The steroid hydroxylation and carbon-carbon bond cleavage activities of cytochrome P450 17A1 (CYP17A1) are responsible for the production of glucocorticoids and androgens, respectively. The inhibition of androgen synthesis is an important strategy to treat androgen-dependent prostate cancer. We discuss the different enzymatic activities towards the various substrates of CYP17A1, demonstrating its promiscuity. Additionally, a novel interhelical interaction is proposed between the F-G loop and the B'-helix to explain the 16 alpha-hydroxylase activity of human CYP17A1 with progesterone as the substrate. The techniques used by biochemists to study this important enzyme are also summarized. This article is part of a Special Issue entitled 'Steroid/Sterol signaling'. (C) 2014 Elsevier Ltd. All rights reserved.
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