MGP Database

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MGP002751

UniProt Annotations

Entry Information
Gene Namemethylsterol monooxygenase 1
Protein EntryMSMO1_HUMAN
UniProt IDQ15800
SpeciesHuman
Comments
Comment typeDescription
Alternative ProductsEvent=Alternative splicing; Named isoforms=2; Name=1; IsoId=Q15800-1; Sequence=Displayed; Name=2; IsoId=Q15800-2; Sequence=VSP_044585;
Catalytic Activity3-beta-hydroxy-4-beta-methyl-5-alpha-cholest- 7-ene-4-alpha-carbaldehyde + NAD(P)H + O(2) = 3-beta-hydroxy-4- beta-methyl-5-alpha-cholest-7-ene-4-alpha-carboxylate + NAD(P)(+) + H(2)O.
Catalytic Activity4,4-dimethyl-5-alpha-cholest-7-en-3-beta-ol + NAD(P)H + O(2) = 4-beta-hydroxymethyl-4-alpha-methyl-5-alpha- cholest-7-en-3-beta-ol + NAD(P)(+) + H(2)O.
Catalytic Activity4-beta-hydroxymethyl-4-alpha-methyl-5-alpha- cholest-7-en-3-beta-ol + NAD(P)H + O(2) = 3-beta-hydroxy-4-beta- methyl-5-alpha-cholest-7-ene-4-alpha-carbaldehyde + NAD(P)(+) + 2 H(2)O.
CofactorName=Fe cation; Xref=ChEBI:CHEBI:24875; Evidence={ECO:0000305};
DomainThe histidine box domains may contain the active site and/or be involved in metal ion binding.
PathwaySteroid biosynthesis; zymosterol biosynthesis; zymosterol from lanosterol: step 3/6.
SimilarityBelongs to the sterol desaturase family. {ECO:0000305}.
Subcellular LocationEndoplasmic reticulum membrane {ECO:0000305}; Multi-pass membrane protein {ECO:0000305}.
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