CYP17A1
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| cytochrome P450, family 17, subfamily A, polypeptide 1
| |
| Identifiers | |
| Symbol | CYP17A1 |
| Alt. Symbols | CYP17 |
| Entrez | 1586 |
| HUGO | 2593 |
| OMIM | 609300 |
| RefSeq | NM_000102 |
| UniProt | P05093 |
| Other data | |
| EC number | 1.14.99.9 |
| Locus | Chr. 10 q24.3 |
CYP17A1 (also known as 17α-hydroxylase/17,20 lyase) is a cytochrome P450 enzyme which acts upon pregnenolone and progesterone to add a hydroxyl (-OH) group at carbon 17 of the steroid D ring (the hydroxylase activity), or acts upon 17-hydroxyprogesterone and 17-hydroxypregnenolone to split the side chain off the steroid nucleus (the lyase activity).
Additional images
17-Hydroxypregnenolone.png
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17-Hydroxyprogesterone.png
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Steroid-nomenclature.png
Steroid numbering |
See also
External links
Oxidoreductases: dioxygenases, including steroid hydroxylases (EC 1.14) | |
|---|---|
| 1.14.11 - 2-oxoglutarate | Prolyl hydroxylase - Lysyl hydroxylase |
| 1.14.13 - NADH or NADPH | Flavin-containing monooxygenase - Nitric oxide synthase - Cholesterol 7 alpha-hydroxylase - Methane monooxygenase - 3A4 -51A1 |
| 1.14.14 - reduced flavin or flavoprotein | 19A1 - 2D6 - 2E1 |
| 1.14.15 - reduced iron-sulfur protein | 11B1 - 11B2 - 11A1 |
| 1.14.16 - reduced pteridine | Phenylalanine hydroxylase - Tyrosine hydroxylase - Tryptophan hydroxylase |
| 1.14.17 - reduced ascorbate | Dopamine beta hydroxylase |
| 1.14.18-19 - other | Tyrosinase - Stearoyl-CoA desaturase-1 |
| 1.14.99 - miscellaneous | Cyclooxygenase - Heme oxygenase (HMOX1) - Squalene monooxygenase - 17A1 - 21A2 |
Cytochromes, oxygenases: cytochrome P450 (EC 1.14) | |
|---|---|
| CYP1 | A1, A2, B1 |
| CYP2 | A6, A7, A13, B6, C8, C9, C18, C19, D6, E1, F1, J2, R1, S1, U1, W1 |
| CYP3 | A4, A5, A7, A43 |
| CYP4 | A11, A22, B1, F2, F3, F8, F11, F12, F22, V2, X1, Z1 |
| CYP5-20 | CYP5 (A1) - CYP7 (A1, B1) - CYP8 (A1, B1) - CYP11 (A1, B1, B2) - CYP17 (A1) - CYP19 (A1) - CYP20 (A1) |
| CYP21-51 | CYP21 (A2) - CYP24 (A1) - CYP26 (A1, B1, C1) - CYP27 (A1, B1, C1) - CYP39 (A1) - CYP46 (A1) - CYP51 (A1) |
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
