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Τι (ποιος) είναι 17-hydroxysteroid - ορισμός
CLASS OF ENZYMES
17-beta-hydroxysteroid dehydrogenase isozyme 3; 17BHSD3; 3(or 17)b-hydroxysteroid dehydrogenase; 17β-hydroxysteroid dehydrogenase; 17b-hydroxysteroid dehydrogenase; 17b-Hydroxysteroid dehydrogenase; 17bHydroxysteroid-Dehydrogenase; 17B-HSD; EC 1.1.1.51; 3(or 17)beta-hydroxysteroid:NAD(P)+ oxidoreductase; 17Beta Hydroxysteroid dehydrogenase; 17β hydroxysteroid dehydrogenase; 17-ketosteroid reductase; 17-Ketosteroid reductase; 17-Ketosteroid reductases; 17-ketosteroid reductases; 17-ketosteroid oxidoreductases; 17-ketosteroid oxidoreductase; 17-Ketosteroid oxidoreductase; 17-Ketosteroid oxidoreductases; 17-Ketoreductases; 17-Ketoreductase; 17-ketoreductase; 17-ketoreductases; HSD17B; 17β-HSD; 17β-Hydroxysteroid dehydrogenases; 17β-hydroxysteroid dehydrogenases; 17β-HSDs; HSD17Bs; HSD17B*; 17-KSR; 17-KSRs; 17β-Hydroxysteroid dehydrogenase inhibitor; 17β-Hydroxysteroid dehydrogenase inhibitors; 17β-hydroxysteroid dehydrogenase inhibitors; 17β-hydroxysteroid dehydrogenase inhibitor; 17β-HSD inhibitor; 17β-HSD inhibitors; 17beta-HSD inhibitor; 17beta-HSD inhibitors; 17beta-hydroxysteroid dehydrogenase inhibitors; 17beta-hydroxysteroid dehydrogenase inhibitor; 17beta-Hydroxysteroid dehydrogenase inhibitor; 17beta-Hydroxysteroid dehydrogenase inhibitors; 17B-Hydroxysteroid dehydrogenase inhibitors; 17B-Hydroxysteroid dehydrogenase inhibitor; 17B-hydroxysteroid dehydrogenase inhibitor; 17B-hydroxysteroid dehydrogenase inhibitors; 17B-HSD inhibitor; 17B-HSD inhibitors; 17-beta-HSD inhibitors; 17-beta-HSD inhibitor; 17-beta-hydroxysteroid dehydrogenase inhibitor; 17-beta-hydroxysteroid dehydrogenase inhibitors; 17-beta-Hydroxysteroid dehydrogenase inhibitors; 17-beta-Hydroxysteroid dehydrogenase inhibitor
![[[Steroidogenesis]]. 17β-HSD visible in bottom-left region.](https://commons.wikimedia.org/wiki/Special:FilePath/Steroidogenesis.svg?width=200 "[[Steroidogenesis]]. 17β-HSD visible in bottom-left region.")
17β-Hydroxysteroid dehydrogenase
17β-Hydroxysteroid dehydrogenases (17β-HSD, HSD17B) (), also 17-ketosteroid reductases (17-KSR), are a group of alcohol oxidoreductases which catalyze the reduction of 17-ketosteroids and the dehydrogenation of 17β-hydroxysteroids in steroidogenesis and steroid metabolism. This includes interconversion of DHEA and androstenediol, androstenedione and testosterone, and estrone and estradiol.
3(or 17)a-hydroxysteroid dehydrogenase
3(or 17)alpha-hydroxysteroid dehydrogenase (, 3(17)alpha-hydroxysteroid dehydrogenase) is an enzyme with systematic name 3(or 17)alpha-hydroxysteroid:NAD(P)+ oxidoreductase. This enzyme catalyses the chemical reaction
Hydroxysteroid dehydrogenase
CLASS OF OXIDOREDUCTASE ENZYMES HAT CATALYZE THE DEHYDROGENATION OF HYDROXYSTEROIDS
3-alpha hydroxysteroid dehydrogenase; Hydroxysteroid dehydrogenases; Hydrosteroid dehydrogenase; Ketosteroid reductase; Ketosteroid reductases
Hydroxysteroid dehydrogenases (HSDs) are a group of alcohol oxidoreductases that catalyze the dehydrogenation of hydroxysteroids. These enzymes also catalyze the reverse reaction, acting as ketosteroid reductases (KSRs).
Βικιπαίδεια
17β-Hydroxysteroid dehydrogenase
17β-Hydroxysteroid dehydrogenases (17β-HSD, HSD17B) (EC 1.1.1.51), also 17-ketosteroid reductases (17-KSR), are a group of alcohol oxidoreductases which catalyze the reduction of 17-ketosteroids and the dehydrogenation of 17β-hydroxysteroids in steroidogenesis and steroid metabolism. This includes interconversion of DHEA and androstenediol, androstenedione and testosterone, and estrone and estradiol.
The major reactions catalyzed by 17β-HSD (e.g., the conversion of androstenedione to testosterone) are in fact hydrogenation (reduction) rather than dehydrogenation (oxidation) reactions.
