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Steroid reductase

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Steroidogenesis of steroid hormones.

Steroid reductases are reductase enzymes that are involved in steroid biosynthesis and metabolism. They include:

See also

Steroidogenic enzyme

References

Huo, W; Li, B; Kuang, J; He, P; Xu, Z; Wang, J (2018). "Functional Characterization of the Steroid Reductase Genes GmDET2a and GmDET2b form Glycine max". International Journal of Molecular Sciences. 19 (3): 726. doi:10.3390/ijms19030726. PMC 5877587. PMID 29510512.

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Metabolism: lipid metabolism – ketones/cholesterol synthesis enzymes/steroid metabolism

Mevalonate pathway

To HMG-CoA	Acetyl-Coenzyme A acetyltransferase HMG-CoA synthase (regulated step)
Ketogenesis	HMG-CoA lyase 3-hydroxybutyrate dehydrogenase Thiophorase
To Mevalonic acid	HMG-CoA reductase
To DMAPP	Mevalonate kinase Phosphomevalonate kinase Pyrophosphomevalonate decarboxylase Isopentenyl-diphosphate delta isomerase
Geranyl-	Dimethylallyltranstransferase Geranyl pyrophosphate

To lanosterol	Farnesyl-diphosphate farnesyltransferase Squalene monooxygenase Lanosterol synthase
7-Dehydrocholesterol path	Lanosterol 14α-demethylase Sterol-C5-desaturase-like 7-Dehydrocholesterol reductase
Desmosterol path	24-Dehydrocholesterol reductase

Steroidogenesis

To pregnenolone

Cholesterol side-chain cleavage

To corticosteroids

aldosterone: 18-Hydroxylase

cortisol/cortisone: 17α-Hydroxylase
11β-HSD
- 1
- 2

To sex hormones

To androgens	17α-Hydroxylase 17,20-Lyase 3β-HSD 17β-HSD 5α-Reductase 1 2
To estrogens	Aromatase 17β-HSD

Other/ungrouped

v t e 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

This EC 1.3 enzyme-related article is a stub. You can help Misplaced Pages by expanding it.

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