Entry |
|
Name |
20alpha-hydroxysteroid dehydrogenase;
20alpha-hydroxy steroid dehydrogenase;
20alpha-HSD;
20alpha-HSDH
|
Class |
Oxidoreductases;
Acting on the CH-OH group of donors;
With NAD+ or NADP+ as acceptor
|
Sysname |
20alpha-hydroxysteroid:NAD(P)+ 20-oxidoreductase
|
Reaction(IUBMB) |
17alpha,20alpha-dihydroxypregn-4-en-3-one + NAD(P)+ = 17alpha-hydroxyprogesterone + NAD(P)H + H+ [RN: R03325]
|
Reaction(KEGG) |
|
Substrate |
17alpha,20alpha-dihydroxypregn-4-en-3-one [CPD: C04518];
NAD+ [CPD: C00003];
NADP+ [CPD: C00006]
|
Product |
|
Comment |
Re-specific with respect to NAD(P)+ (cf. EC 1.1.1.62 17beta-estradiol 17-dehydrogenase).
|
History |
EC 1.1.1.149 created 1972, deleted 1983, reinstated 1986
|
Pathway |
ec00140 | Steroid hormone biosynthesis |
|
Orthology |
K00212 | 20alpha/3alpha-hydroxysteroid dehydrogenase / dihydrodiol dehydrogenase |
K05295 | 20alpha-hydroxysteroid dehydrogenase |
|
Genes |
PON: | 100171658(AKR1C1) 100189776 |
PPYG: | 129006867 129006872 |
MCC: | 711198(AKR1C1) 711360(AKR1C2) |
MCF: | 101865536(AKR1C1) 102141103 |
MTHB: | 126963006 126963009 |
CSAB: | 103237807 103237808 |
CATY: | 105587685 105587688 |
MLEU: | 105532487 105532488 105532490 |
TFN: | 117083548 117083560 117087703 117087714 |
CANG: | 105521701 105521702 |
MMU: | 105349(Akr1c18) 77337(Akr1c21) |
MPAH: | 110315750 110333790 |
RNO: | 171516(Akr1c3) 291283(Akr1c2) 307092(Akr1c1) |
MUN: | 110539888 110540933 110542801 132649305 |
CGE: | 100768666 100770100 100770388 |
MAUA: | 101839651 101841800 101843587 |
PROB: | 127229804 127229811 |
PLEU: | 114707814 114708002 114708030 |
AAMP: | 119816162 119817583 |
CPOC: | 100722094 100724342 100724620 |
MMMA: | 107134068 107150203 |
OCU: | 100348607(PGER1) 100352716 |
OPI: | 101525116 101525279 101526245 118759111 |
» show all
|
Reference |
|
Authors |
Shikita M, Inano H, Tamaoki B. |
Title |
Further studies on 20-alpha-hydroxysteroid dehydrogenase of rat testes. |
Journal |
|
Reference |
|
Authors |
Strickler RC, Tobias B, Covey DF |
Title |
Human placental 17 beta-estradiol dehydrogenase and 20 alpha-hydroxysteroid dehydrogenase. Two activities at a single enzyme active site. |
Journal |
J Biol Chem 256:316-21 (1981) |
Other DBs |
ExPASy - ENZYME nomenclature database: | 1.1.1.149 |
|