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O18765

- S5A2_PIG

UniProt

O18765 - S5A2_PIG

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Protein

3-oxo-5-alpha-steroid 4-dehydrogenase 2

Gene

SRD5A2

Organism
Sus scrofa (Pig)
Status
Reviewed - Annotation score: 3 out of 5- Experimental evidence at transcript leveli

Functioni

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 By similarity.By similarity

Catalytic activityi

A 3-oxo-5-alpha-steroid + NADP+ = a 3-oxo-Delta(4)-steroid + NADPH.

GO - Molecular functioni

  1. 3-oxo-5-alpha-steroid 4-dehydrogenase activity Source: Ensembl
  2. cholestenone 5-alpha-reductase activity Source: UniProtKB-EC

GO - Biological processi

  1. androgen biosynthetic process Source: Ensembl
  2. cell differentiation Source: UniProtKB-KW
  3. male genitalia development Source: Ensembl
Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Differentiation, Sexual differentiation

Keywords - Ligandi

NADP

Names & Taxonomyi

Protein namesi
Recommended name:
3-oxo-5-alpha-steroid 4-dehydrogenase 2 (EC:1.3.1.22)
Alternative name(s):
5 alpha-SR2
SR type 2
Steroid 5-alpha-reductase 2
Short name:
S5AR 2
Gene namesi
Name:SRD5A2
Synonyms:ST5AR2
OrganismiSus scrofa (Pig)
Taxonomic identifieri9823 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaLaurasiatheriaCetartiodactylaSuinaSuidaeSus
ProteomesiUP000008227: Unplaced

Subcellular locationi

GO - Cellular componenti

  1. endoplasmic reticulum Source: UniProtKB-KW
  2. integral component of membrane Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Endoplasmic reticulum, Membrane, Microsome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 2542543-oxo-5-alpha-steroid 4-dehydrogenase 2PRO_0000213679Add
BLAST

Interactioni

Protein-protein interaction databases

STRINGi9823.ENSSSCP00000009087.

Structurei

Transmembrane

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei8 – 2821HelicalSequence AnalysisAdd
BLAST
Transmembranei72 – 9221HelicalSequence AnalysisAdd
BLAST
Transmembranei146 – 16621HelicalSequence AnalysisAdd
BLAST
Transmembranei206 – 22621HelicalSequence AnalysisAdd
BLAST

Family & Domainsi

Sequence similaritiesi

Belongs to the steroid 5-alpha reductase family.Curated

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

eggNOGiNOG282706.
HOGENOMiHOG000050133.
HOVERGENiHBG003402.
InParanoidiO18765.
KOiK12344.

Family and domain databases

InterProiIPR016636. 3-oxo-5-alpha-steroid_4-DH.
IPR001104. 3-oxo-5_a-steroid_4-DH_C.
[Graphical view]
PfamiPF02544. Steroid_dh. 1 hit.
[Graphical view]
PIRSFiPIRSF015596. 5_alpha-SR2. 1 hit.
PROSITEiPS50244. S5A_REDUCTASE. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

O18765-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MPVRCQQSPV LAGSATLAAL GALALYFAEP SGYGKYTESL TPAAIRLPAR
60 70 80 90 100
AAWFLQELPS FVVPAGILAG QPRSLFGPPA TVLLGLFCAH YFHRTFVYSL
110 120 130 140 150
LTRGRPFPVV FLFRGFVFCM GNGLLQGYYL VYCAEYPAEW YTDIRFSLGV
160 170 180 190 200
FLFILGMGIN IHSDYILRQL RKPGEVIYKI PQGGLFTYVS GANFLGEIIE
210 220 230 240 250
WIGYALATWS LPALAFAFFS LCFLGLRAFH HHRFYVKMFE DYPKSRKALI

PFIF
Length:254
Mass (Da):28,536
Last modified:October 1, 2001 - v2
Checksum:iF647B3D46AB98A29
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF008440 mRNA. Translation: AAB69279.2.
RefSeqiNP_999153.1. NM_213988.1.
UniGeneiSsc.1.

Genome annotation databases

GeneIDi397048.
KEGGissc:397048.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF008440 mRNA. Translation: AAB69279.2 .
RefSeqi NP_999153.1. NM_213988.1.
UniGenei Ssc.1.

3D structure databases

ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 9823.ENSSSCP00000009087.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

GeneIDi 397048.
KEGGi ssc:397048.

Organism-specific databases

CTDi 397048.

Phylogenomic databases

eggNOGi NOG282706.
HOGENOMi HOG000050133.
HOVERGENi HBG003402.
InParanoidi O18765.
KOi K12344.

Family and domain databases

InterProi IPR016636. 3-oxo-5-alpha-steroid_4-DH.
IPR001104. 3-oxo-5_a-steroid_4-DH_C.
[Graphical view ]
Pfami PF02544. Steroid_dh. 1 hit.
[Graphical view ]
PIRSFi PIRSF015596. 5_alpha-SR2. 1 hit.
PROSITEi PS50244. S5A_REDUCTASE. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. Lacroix D.A., Men T., Houde A., Murphy B.D.
    Submitted (AUG-2000) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].
    Tissue: Epididymis.

Entry informationi

Entry nameiS5A2_PIG
AccessioniPrimary (citable) accession number: O18765
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 16, 2002
Last sequence update: October 1, 2001
Last modified: October 29, 2014
This is version 82 of the entry and version 2 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3