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MitoProteome Human Mitochondrial Protein Database
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Related Proteins
MT001075
UniProt Annotations
Entry Information
Gene Name
coenzyme Q3 methyltransferase
Protein Entry
COQ3_HUMAN
UniProt ID
Q9NZJ6
Species
Human
Comments
Comment type
Description
Catalytic Activity
S-adenosyl-L-methionine + 3,4-dihydroxy-5-all- trans-polyprenylbenzoate = S-adenosyl-L-homocysteine + 3-methoxy- 4-hydroxy-5-all-trans-polyprenylbenzoate. {ECO:0000269|PubMed:10777520}.
Catalytic Activity
S-adenosyl-L-methionine + 3-(all-trans- polyprenyl)benzene-1,2-diol = S-adenosyl-L-homocysteine + 2- methoxy-6-(all-trans-polyprenyl)phenol. {ECO:0000269|PubMed:10777520}.
Catalytic Activity
S-adenosyl-L-methionine + 3- demethylubiquinone-n = S-adenosyl-L-homocysteine + ubiquinone-n. {ECO:0000269|PubMed:10777520}.
Pathway
Cofactor biosynthesis; ubiquinone biosynthesis.
Sequence Caution
Sequence=AAF66826.1; Type=Frameshift; Positions=16, 18, 22, 26, 44, 49, 60, 363, 364; Evidence={ECO:0000305};
Similarity
Belongs to the methyltransferase superfamily. UbiG/COQ3 family. {ECO:0000305}.
Subcellular Location
Mitochondrion matrix {ECO:0000305}.
MitoProteome Human Mitochondrial Protein Database
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