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Category:GO:0008425 ! 2-polyprenyl-6-methoxy-1,4-benzoquinone methyltransferase activity
name: 2-polyprenyl-6-methoxy-1,4-benzoquinone methyltransferase activity
namespace: molecular_function
def: "Catalysis of the reaction: 2-polyprenyl-6-methoxy-1,4-benzoquinone + S-adenosyl-L-methionine = 2-polyprenyl-3-methyl-6-methoxy-1,4-benzoquinone + S-adenosyl-L-homocysteine." [GOC:kd, PMID:23190198, PMID:9083048]
comment: Note that the polyprenyl sidechain substrate for this reaction has a different number of prenyl units in different organisms (for example, ubiquinone-6 in Saccharomyces, ubiquinone- 9 in rat and ubiquinone-10 in human), and thus the natural substrate for the enzymes from different organisms has a different number of prenyl units. However, the enzyme usually shows a low degree of specificity regarding the number of prenyl units.
synonym: "2-polyprenyl-6-methoxy-1,4-benzoquinone methylase activity" EXACT []
synonym: "coenzyme Q biosynthesis methyltransferase activity" EXACT []
synonym: "coenzyme Q biosynthetic process methyltransferase activity" EXACT []
synonym: "ubiquinone biosynthesis methyltransferase activity" BROAD []
synonym: "ubiquinone biosynthetic process methyltransferase activity" BROAD []
xref: EC:2.1.1.201
xref: RHEA:28286
is_a: GO:0008169 ! C-methyltransferase activity
relationship: part_of: GO:0006744 ! ubiquinone biosynthetic process
AmiGO
<GOterm>GO:0008425</GOterm>
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