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3-oxo-5-alpha-steroid 4-dehydrogenase 3; steroid 5-alpha reductase 3; testosterone 5-alpha reductase 3; SR type 3; steroid 5-alpha-reductase 2-like (SRD5A3, SRD5A2L)
Function:
- converts testosterone into 5-alpha-dihydrotestosterone
3-oxo-5-alpha-steroid + acceptor
3-oxo-delta(4)-steroid + reduced acceptor
Structure: belongs to the steroid 5-alpha reductase family
Compartment: microsome membrane
Expression: almost no or little expression in normal adult organs
Pathology:
- overexpressed in hormone-refractory prostate cancers
General
3-oxo-5-alpha-steroid 4 dehydrogenase; steroid 5-alpha reductase; testosterone 5-alpha reductase
membrane protein
Properties
SIZE: entity length = 318 aa
MW = 37 kD
COMPARTMENT: cellular membrane
MOTIF: transmembrane domain {12-34}
transmembrane domain {81-101}
transmembrane domain {118-138}
transmembrane domain {158-178}
transmembrane domain {195-215}
transmembrane domain {261-281}
Database Correlations
UniProt Q9H8P0
Pfam PF02544
Kegg hsa:7964
ENZYME 1.3.99.5
References
UniProt :accession Q9H8P0