Gene Information
Gene NameSRD5A3
OrganismHomo sapiens (Human)
Gene Length318
Protein NamesPolyprenol reductase (EC 1.3.1.94) (3-oxo-5-alpha-steroid 4-dehydrogenase 3) (EC 1.3.1.22) (Steroid 5-alpha-reductase 2-like) (Steroid 5-alpha-reductase 3) (S5AR 3) (SR type 3)
Target Name3-oxo-5-alpha-steroid 4-dehydrogenase
Target TypeNA
Gene Age680 ( ENSG00000128039 )
Evolutionary StageEukaryota
AlphaFoldDBQ9H8P0
Gene CardSRD5A3
Uniprot IDQ9H8P0
PfamPF02544
In ASDno
Allosteric Predictionno (-0.799657308)
Ortholog in AnimalsAlpaca_ SRD5A3 ( ortholog_one2one )
Dog_ SRD5A3 ( ortholog_one2one )
GuineaPig_ SRD5A3 ( ortholog_one2one )
Macaque_ SRD5A3 ( ortholog_one2one )
Mouse_ Srd5a3 ( ortholog_one2one )
Rat_ Srd5a3 ( ortholog_one2one )
OhnologsNA
ParalogsNA
TissueNA
Tissue SpecificityExpressed in preadipocytes (at protein level) (PubMed:26855069). Overexpressed in hormone-refractory prostate cancers (HRPC). Almost no or little expression in normal adult organs. {ECO:0000269|PubMed:17986282, ECO:0000269|PubMed:26855069}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP NA 
Subcellular location [CC]Endoplasmic reticulum membrane {ECO:0000305|PubMed:20637498};
Multi-pass membrane protein {ECO:0000305|PubMed:20637498}.
Mouse PG classificationLPG
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