Ergosterol biosynthesis

Acimovic J, Rozman D. Steroidal triterpenes of cholesterol synthesis. Molecules. 2013 Apr 04;18(4):4002–17. PMID: 23558541; PMCID: PMC6269928.

Metabolites

(R)-5-Diphosphomevalonate

Formula: C6H14O10P2 (308.0062204)

CAS ID: 103025-21-4

(R)-5-Phosphomevalonate

Formula: C6H13O7P (228.0398878)

CAS ID: 73566-35-5

(R)-Mevalonate

Formula: C6H12O4 (148.0735552)

CAS ID: 17817-88-8

(S)-2,3-Epoxysqualene

Formula: C30H50O (426.386145)

CAS ID: 54910-48-4

5-Dehydroepisterol

Formula: C28H44O (396.3391974)

CAS ID: 23582-83-4

Acetyl-CoA

Formula: C23H38N7O17P3S (809.1257688000001)

CAS ID: 72-89-9

Dimethylallyl diphosphate

Formula: C5H12O7P2 (246.0058262)

CAS ID: 358-72-5

Episterol

Formula: C28H46O (398.3548466)

CAS ID: 474-68-0

Ergosterol

Formula: C28H44O (396.3391974)

CAS ID: 57-87-4

Fecosterol

Formula: C28H46O (398.3548466)

CAS ID: 516-86-9

Geranyl diphosphate

Formula: C10H20O7P2 (314.068423)

CAS ID: 763-10-0

Isopentenyl diphosphate

Formula: C5H12O7P2 (246.0058262)

CAS ID: 358-71-4

Lanosterol

Formula: C30H50O (426.386145)

CAS ID: 79-63-0

Zymosterol

Formula: C27H44O (384.3391974)

CAS ID: 128-33-6

Zymosterone

Formula: C27H42O (382.3235482)

CAS ID: 27192-37-6

32-Hydroxylanosterol

Formula: C30H50O2 (442.38106)

CAS ID: 111420-56-5



Enzyme

EC Number name full name note
1.14.18.-
1.1.1.270 3beta-hydroxysteroid 3-dehydrogenase 3beta-hydroxysteroid:NADP+ 3-oxidoreductase
1.14.14.154 sterol 14alpha-demethylase sterol,[reduced NADPH-hemoprotein reductase]:oxygen oxidoreductase (14-methyl cleaving)


Proteins

Protein ID name full name
P10614 ERG11 Lanosterol 14-alpha demethylase CYP51
P53045 ERG25 C-4 methylsterol oxidase ERG25
Q12452 ERG27 3-keto-steroid reductase ERG27