2.1.1.222: 2-polyprenyl-6-hydroxyphenol methylase
This is an abbreviated version!
For detailed information about 2-polyprenyl-6-hydroxyphenol methylase, go to the full flat file.
Reaction
Synonyms
2-polyprenyl-6-hydroxyphenyl methylase, 3-demethyl ubiquinone-9 3-methyltransferase, UbiG, UbiG methyltransferase, ubiquinone biosynthesis O-methyltransferase
ECTree
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Natural Substrates Products on EC 2.1.1.222 - 2-polyprenyl-6-hydroxyphenol methylase
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REACTION DIAGRAM
S-adenosyl-L-methionine + 3-(all-trans-octaprenyl)benzene-1,2-diol
S-adenosyl-L-homocysteine + 2-methoxy-6-(all-trans-octaprenyl)phenol
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the enzyme catalyzes two methylation steps in the biosynthesis of ubiquinone-8 in Escherichia coli, 1. the methylation of 3-(all-trans-octaprenyl)benzene-1,2-diol and 2. the methylation of 3-demethylubiquinol-8 (this reaction is classified as EC 2.1.1.64)
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the enzyme is involved in biosynthesis of ubiquinone-10 in human and catalyzes the methylation of 3-demethylubiquinol-10 to ubiquinol-10 (EC 2.1.1.64) and the methylation of 3,4-dihydroxy-5-decaprenylbenzoate to 3-methoxy-4-hydroxy-5-all-trans-decaprenylbenzoate (EC 2.1.1.114)
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additional information
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the enzyme catalyzes two methylation steps in the biosynthesis of ubiquinone-9 in Rattus norvegicus, 1. the methylation of 3,4-dihydroxy-5-nonaprenylbenzoate (this reaction is classified as EC 2.1.1.114) and 2. the methylation of 3-demethylubiquinol-9 (this reaction is classified as EC 2.1.1.64)
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additional information
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the enzyme catalyzes two methylation steps in the biosynthesis of ubiquinone-6 in Saccharomyces cerevisiae, 1. the methylation of 3,4-dihydroxy-5-hexaprenylbenzoate (this reaction is classified as EC 2.1.1.114) and 2. the methylation of 3-demethylubiquinol-6 (this reaction is classified as EC 2.1.1.64)
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