1.14.18.9: 4alpha-methylsterol monooxygenase

This is an abbreviated version!
For detailed information about 4alpha-methylsterol monooxygenase, go to the full flat file.

Word Map on EC 1.14.18.9

1.14.18.9

ergosterol

lanosterol

4,4-dimethylzymosterol

erg27p

psoriasiform

smith-lemli-opitz

meiosis-activating

methylsterols

medicine

agriculture

Reaction

3beta-hydroxy-4beta-methyl-5alpha-cholest-7-ene-4alpha-carbaldehyde

+ 2 ferrocytochrome b5 +

+ 2 H+ =

3beta-hydroxy-4beta-methyl-5alpha-cholest-7-ene-4alpha-carboxylate

+ 2 ferricytochrome b5 +

Synonyms

4,4-dimethyl-sterol 4alpha-methyl-oxidase, 4,4-dimethyl-zymosterol 4alpha-methyl-oxidase, 4-methyl sterol oxidase, 4-methylsterol oxidase, C-4 methyl sterol oxidase, C-4 sterol methyl oxidase, EC 1.14.13.72, EC 1.14.99.16, ERG25, ERG25p, GintSMO protein, methyl sterol oxidase, methylsterol hydroxylase, methylsterol monooxygenase, NAD(P)H-dependent methylsterol oxidase, SC4MOL, SMO, sterol C-4 methyloxidase, sterol C4 methyl oxidase, sterol-C4-methyl oxidase, sterol-C4-methyl-oxidase

ECTree

1 Oxidoreductases

1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen

1.14.18 With another compound as one donor, and incorporation of one atom of oxygen into the other donor

1.14.18.9 4alpha-methylsterol monooxygenase

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Reaction on EC 1.14.18.9 - 4alpha-methylsterol monooxygenase

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3beta-hydroxy-4beta-methyl-5alpha-cholest-7-ene-4alpha-carbaldehyde + 2 ferrocytochrome b5 + O2 + 2 H+ = 3beta-hydroxy-4beta-methyl-5alpha-cholest-7-ene-4alpha-carboxylate + 2 ferricytochrome b5 + H2O

(1c)

4,4-dimethyl-5alpha-cholest-7-en-3beta-ol + 2 ferrocytochrome b5 + O2 + 2 H+ = 4beta-hydroxymethyl-4alpha-methyl-5alpha-cholest-7-en-3beta-ol + 2 ferricytochrome b5 + H2O

(1a)

4,4-dimethyl-5alpha-cholest-7-en-3beta-ol + 6 ferrocytochrome b5 + 3 O2 + 6 H+ = 3beta-hydroxy-4beta-methyl-5alpha-cholest-7-ene-4alpha-carboxylate + 6 ferricytochrome b5 + 4 H2O

4 entries

4beta-hydroxymethyl-4alpha-methyl-5alpha-cholest-7-en-3beta-ol + 2 ferrocytochrome b5 + O2 + 2 H+ = 3beta-hydroxy-4beta-methyl-5alpha-cholest-7-ene-4alpha-carbaldehyde + 2 ferricytochrome b5 + 2 H2O

(1b)