Gene Information
Gene NameSRD5A2
OrganismHomo sapiens (Human)
Gene Length254
Protein Names3-oxo-5-alpha-steroid 4-dehydrogenase 2 (EC 1.3.1.22) (5 alpha-SR2) (SR type 2) (Steroid 5-alpha-reductase 2) (S5AR 2) (Type II 5-alpha reductase)
Target Name3-oxo-5-alpha-steroid 4-dehydrogenase
Target TypeNA
Gene Age987 ( ENSG00000277893 )
Evolutionary StageEuk+Bac
AlphaFoldDBP31213
Gene CardSRD5A2
Uniprot IDP31213
PfamPF02544
In ASDno
Allosteric Predictionyes (0.271373367)
Ortholog in AnimalsAlpaca_ SRD5A2 ( ortholog_one2one )
Dog_ SRD5A2 ( ortholog_one2one )
GuineaPig_ SRD5A2 ( ortholog_one2one )
Macaque_ SRD5A2 ( ortholog_one2one )
Mouse_ Srd5a2 ( ortholog_one2one )
Pig_ SRD5A2 ( ortholog_one2one )
Rat_ Srd5a2 ( ortholog_one2one )
Rabbit_ SRD5A2 ( ortholog_one2one )
OhnologsNA
ParalogsSRD5A1, TECRL, TECR
Tissueliver, oviduct, prostate
Tissue SpecificityExpressed in high levels in the prostate and many other androgen-sensitive tissues.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 7BW1  (X-ray  2.80A 
DBSNP rs61748120  rs61748122  rs9282858  rs61748123  rs121434245  rs1351269392  rs523349  rs28383048  rs121434246  rs1331249320  rs368386747  rs759561106  rs1057517829  rs121434247  rs61748125  rs61748126  rs121434250  rs121434253  rs756853742  rs9332961  rs767564684  rs121434252  rs9332963  rs9332963  rs9332964  rs121434249  rs121434251  rs1378704759  rs772283403  rs145712014  rs9332967  rs121434244 
Subcellular location [CC]Microsome membrane;
Multi-pass membrane protein. Endoplasmic reticulum membrane {ECO:0000305};
Multi-pass membrane protein {ECO:0000305}.
Mouse PG classificationNA
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