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HSD17B4

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Protein-coding gene in the species Homo sapiens

HSD17B4
Available structures
PDBOrtholog search: PDBe RCSB
List of PDB id codes

1IKT, 1S9C, 1ZBQ

Identifiers
AliasesHSD17B4, DBP, MFE-2, MPF-2, PRLTS1, SDR8C1, hydroxysteroid (17-beta) dehydrogenase 4, hydroxysteroid 17-beta dehydrogenase 4
External IDsOMIM: 601860; MGI: 105089; HomoloGene: 358; GeneCards: HSD17B4; OMA:HSD17B4 - orthologs
Gene location (Human)
Chromosome 5 (human)
Chr.Chromosome 5 (human)
Chromosome 5 (human)Genomic location for HSD17B4Genomic location for HSD17B4
Band5q23.1Start119,452,473 bp
End119,637,199 bp
Gene location (Mouse)
Chromosome 18 (mouse)
Chr.Chromosome 18 (mouse)
Chromosome 18 (mouse)Genomic location for HSD17B4Genomic location for HSD17B4
Band18|18 D1Start50,261,268 bp
End50,329,336 bp
RNA expression pattern
Bgee
HumanMouse (ortholog)
Top expressed in
  • right lobe of thyroid gland

  • right lobe of liver

  • left lobe of thyroid gland

  • corpus callosum

  • internal globus pallidus

  • right adrenal cortex

  • C1 segment

  • body of pancreas

  • left adrenal gland

  • left adrenal cortex
Top expressed in
  • saccule

  • left lobe of liver

  • ectoderm

  • otic vesicle

  • otic placode

  • brown adipose tissue

  • external carotid artery

  • intercostal muscle

  • lacrimal gland

  • white adipose tissue
More reference expression data
BioGPS
More reference expression data
Gene ontology
Molecular function
Cellular component
Biological process
Sources:Amigo / QuickGO
Orthologs
SpeciesHumanMouse
Entrez

3295

15488

Ensembl

ENSG00000133835

ENSMUSG00000024507

UniProt

P51659

P51660

RefSeq (mRNA)

NM_001292028
NM_000414
NM_001199291
NM_001199292
NM_001292027

NM_008292

RefSeq (protein)
NP_000405
NP_001186220
NP_001186221
NP_001278956
NP_001278957

NP_001361426
NP_001361427
NP_001361428
NP_001361429
NP_001361430
NP_001361431
NP_001361432

NP_032318

Location (UCSC)Chr 5: 119.45 – 119.64 MbChr 18: 50.26 – 50.33 Mb
PubMed search
Wikidata
View/Edit HumanView/Edit Mouse

D-bifunctional protein (DBP), also known as peroxisomal multifunctional enzyme type 2 (MFP-2), as well as 17β-hydroxysteroid dehydrogenase type IV (17β-HSD type IV) is a protein that in humans is encoded by the HSD17B4 gene. It's an alcohol oxidoreductase, specifically 17β-Hydroxysteroid dehydrogenase. It is involved in fatty acid β-oxidation and steroid metabolism (cf. steroidogenesis).

Function

The HSD17B4 gene encodes an enzyme involved in peroxisomal fatty acid beta-oxidation. It was first identified as a 17-beta-estradiol dehydrogenase (Leenders et al., 1996; van Grunsven et al., 1998). Peroxisomal beta-oxidation of fatty acids, originally described by Lazarow and de Duve (1976), is catalyzed by 3 enzymes: acyl-CoA oxidase (see, e.g., ACOX1, MIM 609751); the 'D-bifunctional enzyme,' with enoyl-CoA hydratase and D-3-hydroxyacyl-CoA dehydrogenase activity, and 3-ketoacyl-CoA thiolase (MIM 604054).

See also the L-bifunctional peroxisomal protein (EHHADH; MIM 607037). The D- and L-bifunctional proteins have different substrate specificities. The D-bifunctional protein catalyzes the formation of 3-ketoacyl-CoA intermediates from both straight-chain and 2-methyl-branched-chain fatty acids and also acts in shortening cholesterol for bile acid formation. In contrast, the L-specific bifunctional protein does not have the latter 2 activities (Jiang et al., 1997).

See also

References

  1. ^ GRCh38: Ensembl release 89: ENSG00000133835Ensembl, May 2017
  2. ^ GRCm38: Ensembl release 89: ENSMUSG00000024507Ensembl, May 2017
  3. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. Leenders F, Prescher G, Dolez V, Begue A, de Launoit Y, Adamski J (November 1996). "Assignment of human 17 beta-hydroxysteroid dehydrogenase IV to chromosome 5q2 by fluorescence in situ hybridization". Genomics. 37 (3): 403–4. doi:10.1006/geno.1996.0578. PMID 8938456.
  6. Persson B, Kallberg Y, Bray JE, Bruford E, Dellaporta SL, Favia AD, Duarte RG, Jörnvall H, Kavanagh KL, Kedishvili N, Kisiela M, Maser E, Mindnich R, Orchard S, Penning TM, Thornton JM, Adamski J, Oppermann U (March 2009). "The SDR (short-chain dehydrogenase/reductase and related enzymes) nomenclature initiative". Chemico-Biological Interactions. 178 (1–3): 94–8. Bibcode:2009CBI...178...94P. doi:10.1016/j.cbi.2008.10.040. PMC 2896744. PMID 19027726.
  7. ^ "Entrez Gene: HSD17B4 hydroxysteroid (17-beta) dehydrogenase 4".
  8. ^ Huyghe S, Mannaerts GP, Baes M, Van Veldhoven PP (September 2006). "Peroxisomal multifunctional protein-2: the enzyme, the patients and the knockout mouse model". Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids. 1761 (9): 973–94. doi:10.1016/j.bbalip.2006.04.006. PMID 16766224.

Further reading

PDB gallery
  • 1ikt: LIGANDED STEROL CARRIER PROTEIN TYPE 2 (SCP-2) LIKE DOMAIN OF HUMAN MULTIFUNCTIONAL ENZYME TYPE 2 (MFE-2) 1ikt: LIGANDED STEROL CARRIER PROTEIN TYPE 2 (SCP-2) LIKE DOMAIN OF HUMAN MULTIFUNCTIONAL ENZYME TYPE 2 (MFE-2)
  • 1s9c: Crystal structure analysis of the 2-enoyl-CoA hydratase 2 domain of human peroxisomal multifunctional enzyme type 2 1s9c: Crystal structure analysis of the 2-enoyl-CoA hydratase 2 domain of human peroxisomal multifunctional enzyme type 2
  • 1zbq: Crystal Structure Of Human 17-Beta-Hydroxysteroid Dehydrogenase Type 4 In Complex With NAD 1zbq: Crystal Structure Of Human 17-Beta-Hydroxysteroid Dehydrogenase Type 4 In Complex With NAD
Peroxisomal and lysosomal proteins
Enzymes
Transporters
Structure/Peroxin
LAMP
see also intermediates, disorders
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