What does steroid 17-alpha-hydroxylase mean?

Definitions for steroid 17-alpha-hydroxylase
steroid 17-alpha-hydrox·y·lase

This dictionary definitions page includes all the possible meanings, example usage and translations of the word steroid 17-alpha-hydroxylase.

Wikipedia

  1. steroid 17-alpha-hydroxylase

    Cytochrome P450 17A1 (steroid 17α-monooxygenase, 17α-hydroxylase, 17-alpha-hydroxylase, 17,20-lyase, 17,20-desmolase) is an enzyme of the hydroxylase type that in humans is encoded by the CYP17A1 gene on chromosome 10. It is ubiquitously expressed in many tissues and cell types, including the zona reticularis and zona fasciculata of the adrenal cortex as well as gonadal tissues. It has both 17α-hydroxylase and 17,20-lyase activities, and is a key enzyme in the steroidogenic pathway that produces progestins, mineralocorticoids, glucocorticoids, androgens, and estrogens. More specifically, the enzyme acts upon pregnenolone and progesterone to add a hydroxyl (-OH) group at carbon 17 position (C17) of the steroid D ring (the 17α-hydroxylase activity, EC 1.14.14.19), or acts upon 17α-hydroxyprogesterone and 17α-hydroxypregnenolone to split the side-chain off the steroid nucleus (the 17,20-lyase activity, EC 1.14.14.32).

U.S. National Library of Medicine

  1. Steroid 17-alpha-Hydroxylase

    A microsomal cytochrome P450 enzyme that catalyzes the 17-alpha-hydroxylation of progesterone or pregnenolone and subsequent cleavage of the residual two carbons at C17 in the presence of molecular oxygen and NADPH-FERRIHEMOPROTEIN REDUCTASE. This enzyme, encoded by CYP17 gene, generates precursors for glucocorticoid, androgen, and estrogen synthesis. Defects in CYP17 gene cause congenital adrenal hyperplasia (ADRENAL HYPERPLASIA, CONGENITAL) and abnormal sexual differentiation.

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Numerology

  1. Chaldean Numerology

    The numerical value of steroid 17-alpha-hydroxylase in Chaldean Numerology is: 9

  2. Pythagorean Numerology

    The numerical value of steroid 17-alpha-hydroxylase in Pythagorean Numerology is: 5

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"steroid 17-alpha-hydroxylase." Definitions.net. STANDS4 LLC, 2024. Web. 27 Feb. 2024. <https://www.definitions.net/definition/steroid+17-alpha-hydroxylase>.

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