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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Results	in table
112	AA Sequence
2	Application
1	CAS Registry Number
4	Cloned(Commentary)
10	Cofactor
62	Disease/ Diagnostics
4	General Information
8	Inhibitors
1	Ki Value [mM]
2	KM Value [mM]
18	Localization
1	Metals/Ions
3	Molecular Weight [Da]
15	Natural Substrates/ Products (Substrates)
182	Organism
9	Pathway
2	pI Value
3	Posttranslational Modification
7	Protein Variants
4	Purification (Commentary)
7	Reaction
3	Reaction Type
19	Reference
12	Source Tissue
6	Specific Activity [micromol/min/mg]
1	Storage Stability
28	Substrates and Products (Substrate)
8	Subunits
37	Synonyms
1	Systematic Name

Localization

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Localization on EC 1.14.18.9 - 4alpha-methylsterol monooxygenase

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endoplasmic reticulum

3 entries

endoplasmic reticulum membrane

Saccharomyces cerevisiae

the enzyme forms a demethylation complex in the ER together with the transmembrane protein Erg28p, and possibly the other C-4 demethylation proteins Erg26p, overview

additional information

Saccharomyces cerevisiae

subcellular localization study

675262