Protein Name:
(3R)-3-hydroxyacyl-CoA dehydrogenase
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UniprotKB/SwissProt ID: P50171 (P50171)
Gene Name:
Hsd17b8
Organism: Mus musculus (Mouse)
Function: Required for the solubility and assembly of the heterotetramer 3-ketoacyl-[acyl carrier protein] (ACP) reductase functional complex (KAR or KAR1) that forms part of the mitochondrial fatty acid synthase (mtFAS). Alpha-subunit of the KAR complex, acts as scaffold protein, required for the stability of carbonyl reductase type-4 (CBR4, beta-subunit of the KAR complex) and for its 3-ketoacyl-ACP reductase activity, thereby participating in mitochondrial fatty acid biosynthesis. Catalyzes the NAD-dependent conversion of (3R)-3-hydroxyacyl-CoA into 3-ketoacyl-CoA (3-oxoacyl-CoA) with no chain length preference, this enzymatic activity is not needed for the KAR function. Prefers (3R)-3-hydroxyacyl-CoA over (3S)-3-hydroxyacyl-CoA and displays enzymatic activity only in the presence of NAD(+)(H). Cooperates with enoyl-CoA hydratase 1 in mitochondria, together they constitute an alternative route to the auxiliary enzyme pathways for the breakdown of Z-PUFA (cis polyunsaturated fatty acid) enoyl-esters (By similarity). NAD-dependent 17-beta-hydroxysteroid dehydrogenase with highest activity towards estradiol. It efficiently catalyzes the oxidation of estradiol (E2), testosterone, and dihydrotestosterone. Primarily an oxidative enzyme, it can switch to a reductive mode determined in the appropriate physiologic milieu and catalyze the reduction of estrone (E1) to form biologically active estradiol (E2) (PubMed:9712896)
Other Modifications: View all modification sites in dbPTM
Protein Subcellular Localization: Mitochondrion matrix
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Graphical Visualization of S-nitrosylation Sites:
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The S-nitrosylation sites of P50171
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| No. |
Position |
S-nitrosylated Peptide |
Secondary Structure of S-nitrosylated Peptide |
Solvent Accessibility of nitrosylated Site |
PubMed ID |
| 1 |
192 |
ARELGRHGIR C NSVLPGFIAT |
CCHHHHHHHH H HHHHCCCCCH |
4.15% |
21278135
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| 2 |
39 |
LAAEGAAVAA C DLDGAAAQDT |
CCHHHHHHHH H HHHHCCCCCH |
3.73% |
21278135
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