KEGG   ENZYME: 1.14.99.24Help
Entry
EC 1.14.99.24               Enzyme                                 

Name
steroid 9alpha-monooxygenase;
steroid 9alpha-hydroxylase
Class
Oxidoreductases;
Acting on paired donors, with incorporation or reduction of molecular oxygen;
Miscellaneous
BRITE hierarchy
Sysname
steroid,hydrogen-donor:oxygen oxidoreductase (9-epoxidizing)
Reaction(IUBMB)
pregna-4,9(11)-diene-3,20-dione + AH2 + O2 = 9,11alpha-epoxypregn-4-ene-3,20-dione + A + H2O [RN:R04392]
Reaction(KEGG)
Substrate
pregna-4,9(11)-diene-3,20-dione [CPD:C04084];
AH2 [CPD:C00030];
O2 [CPD:C00007]
Product
9,11alpha-epoxypregn-4-ene-3,20-dione [CPD:C04379];
A [CPD:C00028];
H2O [CPD:C00001]
Comment
An enzyme system involving a flavoprotein (FMN) and two iron-sulfur proteins.
History
EC 1.14.99.24 created 1986
Reference
1  [PMID:7173200]
  Authors
Strijewski A.
  Title
The steroid-9 alpha-hydroxylation system from Nocardia species.
  Journal
Eur. J. Biochem. 128 (1982) 125-35.
Other DBs
ExplorEnz - The Enzyme Database: 
IUBMB Enzyme Nomenclature: 
ExPASy - ENZYME nomenclature database: 
BRENDA, the Enzyme Database: 
CAS: 
82869-33-8

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