GenTIGSA Gene Database on Rare Genetic Disorders

Hydroxy-delta-5-steroid dehydrogenase, 3 beta- and steroid delta-isomerase 2 (HSD3B2) Associated conditions:  1. 3 beta-Hydroxysteroid dehydrogenase deficiency 
mRNA Information: Transcript Variants and Protein Isoforms
SNo. Status mRNA accession Protein accession Genomic DNA accession (Chromosome) mRNA location on genomic DNA Assembly UniProtkb ID
1 REVIEWED NM_000198.4 NP_000189.1 NC_000001.11 (119414930..119423033) Reference GRCh38.p14 Primary Assembly P26439
2 REVIEWED NM_001166120.2 NP_001159592.1 NC_000001.11 (119414930..119423033) Reference GRCh38.p14 Primary Assembly P26439

Transcript variants arise from alternative splicing during gene expression, producing multiple mRNA transcripts from a single gene, each encoding distinct protein isoforms.

PubMed Links for Transcript Variants (Isoforms)
Link 1105 reference articles

Variant Information Hydroxy-delta-5-steroid dehydrogenase, 3 beta- and steroid delta-isomerase 2 (HSD3B2Mutation Visualization Dashboard: Pathogenic variant distribution chart
ClinVar variants:Revealing mutagenic patterns

GO Term of Hydroxy-delta-5-steroid dehydrogenase, 3 beta- and steroid delta-isomerase 2 (HSD3B2)
SNo. Reported in speceis Evidence Qualifier GO term Category Pubmed Link
1Homo sapiensIDAenables3-beta-hydroxy-delta5-steroid dehydrogenase activityFunction1944309 
2Homo sapiensIMPenables3-beta-hydroxy-delta5-steroid dehydrogenase activityFunction25322271 
3Homo sapiensIDAenablessteroid delta-isomerase activityFunction1944309 
4Homo sapiensIMPenablessteroid delta-isomerase activityFunction25322271 
5Homo sapiensIPIenablesprotein bindingFunction32814053 
6Homo sapiensIDAlocated_innucleolusComponent
7Homo sapiensIBAis_active_incytoplasmComponent21873635 
8Homo sapiensISSlocated_inmitochondrial inner membraneComponent
9Homo sapiensISSlocated_inmitochondrial intermembrane spaceComponent
10Homo sapiensIDAlocated_inendoplasmic reticulumComponent
11Homo sapiensIMPlocated_inendoplasmic reticulumComponent25322271 
12Homo sapiensNASlocated_inendoplasmic reticulumComponent1944309 
13Homo sapiensTASlocated_inendoplasmic reticulum membraneComponent
14Homo sapiensIBAinvolved_insteroid biosynthetic processProcess21873635 
15Homo sapiensIDAinvolved_insteroid biosynthetic processProcess1944309 
16Homo sapiensIMPinvolved_insteroid biosynthetic processProcess25322271 
17Homo sapiensIMPinvolved_inandrogen biosynthetic processProcess25322271 
18Homo sapiensIBAinvolved_inC21-steroid hormone metabolic processProcess21873635 
19Homo sapiensNASlocated_inmembraneComponent1944309 
20Homo sapiensIBAenablesoxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptorFunction21873635 
21Homo sapiensIBAinvolved_inhippocampus developmentProcess21873635 
22Homo sapiensISSlocated_insmooth endoplasmic reticulum membraneComponent
23Homo sapiensNASlocated_inmitochondrial membraneComponent1944309 
24Homo sapiensIBAis_active_inintracellular membrane-bounded organelleComponent21873635 
25Homo sapiensIDAlocated_inintercellular bridgeComponent
26Homo sapiensIBAinvolved_inresponse to corticosteroneProcess21873635 
27Homo sapiensIEAenablescholesterol dehydrogenase activityFunction