Identification
HMDB Protein ID CDBP00662
Secondary Accession Numbers Not Available
Name 3-oxo-5-alpha-steroid 4-dehydrogenase 2
Description Not Available
Synonyms
  1. 5 alpha-SR2
  2. S5AR 2
  3. SR type 2
  4. Steroid 5-alpha-reductase 2
  5. Type II 5-alpha reductase
Gene Name SRD5A2
Protein Type Enzyme
Biological Properties
General Function Involved in 3-oxo-5-alpha-steroid 4-dehydrogenase activity
Specific Function Converts testosterone (T) into 5-alpha-dihydrotestosterone (DHT) and progesterone or corticosterone into their corresponding 5-alpha-3-oxosteroids. It plays a central role in sexual differentiation and androgen physiology.
GO Classification
Biological Process
small molecule metabolic process
cell-cell signaling
cell differentiation
male gonad development
androgen biosynthetic process
Cellular Component
endoplasmic reticulum membrane
integral to membrane
Component
intracellular part
cytoplasm
membrane part
intrinsic to membrane
integral to membrane
membrane
cell part
Function
oxidoreductase activity, acting on the ch-ch group of donors
catalytic activity
steroid dehydrogenase activity, acting on the ch-ch group of donors
3-oxo-5-alpha-steroid 4-dehydrogenase activity
oxidoreductase activity
steroid dehydrogenase activity
Molecular Function
sterol 5-alpha reductase activity
3-oxo-5-alpha-steroid 4-dehydrogenase activity
cholestenone 5-alpha-reductase activity
Process
oxidation reduction
lipid metabolic process
steroid metabolic process
metabolic process
primary metabolic process
Cellular Location
  1. Multi-pass membrane protein (Potential)
  2. Endoplasmic reticulum membrane
  3. Multi-pass membrane protein
  4. Microsome membrane
Pathways
Gene Properties
Chromosome Location 2
Locus 2p23
SNPs SRD5A2
Gene Sequence
>765 bp
ATGCAGGTTCAGTGCCAGCAGAGCCCAGTGCTGGCAGGCAGCGCCACTTTGGTCGCCCTT
GGGGCACTGGCCTTGTACGTCGCGAAGCCCTCCGGCTACGGGAAGCACACGGAGAGCCTG
AAGCCGGCGGCTACCCGCCTGCCAGCCCGCGCCGCCTGGTTCCTGCAGGAGCTGCCTTCC
TTCGCGGTGCCCGCGGGGATCCTCGCCCGGCAGCCCCTCTCCCTCTTCGGGCCACCTGGG
ACGGTACTTCTGGGCCTCTTCTGCGTACATTACTTCCACAGGACATTTGTGTACTCACTG
CTCAATCGAGGGAGGCCTTATCCAGCTATACTCATTCTCAGAGGCACTGCCTTCTGCACT
GGAAATGGAGTCCTTCAAGGCTACTATCTGATTTACTGTGCTGAATACCCTGATGGGTGG
TACACAGACATACGGTTTAGCTTGGGTGTCTTCTTATTTATTTTGGGAATGGGAATAAAC
ATTCATAGTGACTATATATTGCGCCAGCTCAGGAAGCCTGGAGAAATCAGCTACAGGATT
CCACAAGGTGGCTTGTTTACGTATGTTTCTGGAGCCAATTTCCTCGGTGAGATCATTGAA
TGGATCGGCTATGCCCTGGCCACTTGGTCCCTCCCAGCACTTGCATTTGCATTTTTCTCA
CTTTGTTTCCTTGGGCTGCGAGCTTTTCACCACCATAGGTTCTACCTCAAGATGTTTGAG
GACTACCCCAAATCTCGGAAAGCCCTTATTCCATTCATCTTTTAA
Protein Properties
Number of Residues 254
Molecular Weight 28407.035
Theoretical pI 9.395
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>3-oxo-5-alpha-steroid 4-dehydrogenase 2
MQVQCQQSPVLAGSATLVALGALALYVAKPSGYGKHTESLKPAATRLPARAAWFLQELPS
FAVPAGILARQPLSLFGPPGTVLLGLFCVHYFHRTFVYSLLNRGRPYPAILILRGTAFCT
GNGVLQGYYLIYCAEYPDGWYTDIRFSLGVFLFILGMGINIHSDYILRQLRKPGEISYRI
PQGGLFTYVSGANFLGEIIEWIGYALATWSLPALAFAFFSLCFLGLRAFHHHRFYLKMFE
DYPKSRKALIPFIF
GenBank ID Protein 338469
UniProtKB/Swiss-Prot ID P31213
UniProtKB/Swiss-Prot Entry Name S5A2_HUMAN
PDB IDs Not Available
GenBank Gene ID M74047
GeneCard ID SRD5A2
GenAtlas ID SRD5A2
HGNC ID HGNC:11285
References
General References Not Available