SRD5A3

Identifiers

SRD5A3, CDG1P, CDG1Q, KRIZI, SRD5A2L, SRD5A2L1, steroid 5 alpha-reductase 3

External IDs

MGI: 1930252 HomoloGene: 41385 GeneCards: SRD5A3

Gene ontology
Molecular function	• oxidoreductase activity, acting on the CH-CH group of donors • cholestenone 5-alpha-reductase activity • oxidoreductase activity • 3-oxo-5-alpha-steroid 4-dehydrogenase activity • oxidoreductase activity, acting on the CH-CH group of donors, NAD or NADP as acceptor
Cellular component	• cytoplasm • integral component of membrane • endoplasmic reticulum membrane • membrane • endoplasmic reticulum
Biological process	• lipid metabolic process • polyprenol catabolic process • androgen biosynthetic process • protein glycosylation • dolichol metabolic process • dolichyl diphosphate biosynthetic process • oxidation-reduction process • dolichol-linked oligosaccharide biosynthetic process
Sources:Amigo / QuickGO

Orthologs

Species

Human

Mouse

Entrez


79644


57357

Ensembl


ENSG00000128039


ENSMUSG00000029233

UniProt


Q9H8P0


Q9WUP4

RefSeq (mRNA)


NM_024592


NM_020611

RefSeq (protein)


NP_078868.1


NP_065636.2

Location (UCSC)

Chr 4: 55.35 – 55.37 Mb

Chr 5: 76.14 – 76.16 Mb

PubMed search

^[1]

^[2]

Wikidata

View/Edit Human

View/Edit Mouse

Steroid 5-alpha-reductase 3, also known as 3-oxo-5-alpha-steroid 4-dehydrogenase 3, is an enzyme that in humans is encoded by the SRD5A3 gene.^[3]^[4]

References

↑ "Human PubMed Reference:".
↑ "Mouse PubMed Reference:".
↑ "Entrez Gene: steroid 5 alpha-reductase 3".
↑ Uemura M, Tamura K, Chung S, Honma S, Okuyama A, Nakamura Y, Nakagawa H (January 2008). "Novel 5 alpha-steroid reductase (SRD5A3, type-3) is overexpressed in hormone-refractory prostate cancer". Cancer Sci. 99 (1): 81–6. doi:10.1111/j.1349-7006.2007.00656.x. PMID 17986282.

Payne AH, Hales DB (2004). "Overview of steroidogenic enzymes in the pathway from cholesterol to active steroid hormones.". Endocr. Rev. 25 (6): 947–70. doi:10.1210/er.2003-0030. PMID 15583024.
Strausberg RL, Feingold EA, Grouse LH, et al. (2002). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences.". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
Cantagrel V, Lefeber DJ, Ng BG, et al. (2010). "SRD5A3 is required for converting polyprenol to dolichol and is mutated in a congenital glycosylation disorder.". Cell. 142 (2): 203–17. doi:10.1016/j.cell.2010.06.001. PMC 2940322. PMID 20637498.
Ota T, Suzuki Y, Nishikawa T, et al. (2004). "Complete sequencing and characterization of 21,243 full-length human cDNAs.". Nat. Genet. 36 (1): 40–5. doi:10.1038/ng1285. PMID 14702039.

Oxidoreductases: CH–CH oxidoreductases (EC 1.3)

1.3.1: NAD/NADP acceptor	Enoyl-acyl carrier protein reductase/Enoyl ACP reductase 7-Dehydrocholesterol reductase Biliverdin reductase 2,4 Dienoyl-CoA reductase Dihydroxymethyloxo-tetrahydroquinoline dehydrogenase

1.3.3: Oxygen acceptor	Dihydroorotate dehydrogenase Coproporphyrinogen III oxidase Protoporphyrinogen oxidase Bilirubin oxidase Acyl-CoA oxidase Dihydrouracil oxidase Tetrahydroberberine oxidase Secologanin synthase Tryptophan alpha,beta-oxidase Pyrroloquinoline-quinone synthase L-galactonolactone oxidase

1.3.5: Quinone	Succinate dehydrogenase SDHA SDHB SDHC SDHD

1.3.99: Other acceptors	Fumarate reductase Butyryl-CoA dehydrogenase Acyl CoA dehydrogenase ACADSB ACADS 5α-reductase SRD5A1 SRD5A2 SRD5A3 Glutaryl-CoA dehydrogenase Isovaleryl coenzyme A dehydrogenase 3-oxo-5beta-steroid 4-dehydrogenase

Enzymes

Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Catalytically perfect enzyme Coenzyme Cofactor Enzyme catalysis Enzyme kinetics Lineweaver–Burk plot Michaelis–Menten kinetics

Regulation	Allosteric regulation Cooperativity Enzyme inhibitor

Classification	EC number Enzyme superfamily Enzyme family List of enzymes

Types	EC1 Oxidoreductases (list) EC2 Transferases (list) EC3 Hydrolases (list) EC4 Lyases (list) EC5 Isomerases (list) EC6 Ligases (list)

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SRD5A3

See also

References

Further reading