Enzyme

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     2. Transferases
        2.1 Transferring one-carbon groups
            2.1.1 Methyltransferases
ID:2.1.1.64
Description:3-demethylubiquinol 3-O-methyltransferase.
Alternative Name: 5-demethylubiquinone-9 methyltransferase.
3-demethylubiquinone-9 3-methyltransferase.
methyltransferase.
2-octaprenyl-3-methyl-5-hydroxy-6-methoxy-1,4-benzoquinone
Cath: 3.40.50.150;

3D structure

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References

External Links

UniProtKB Enzyme Link: UniProtKB 2.1.1.64
BRENDA Enzyme Link: BRENDA 2.1.1.64
KEGG Enzyme Link: KEGG2.1.1.64
BioCyc Enzyme Link: BioCyc 2.1.1.64
ExPASy Enzyme Link: ExPASy2.1.1.64
EC2PDB Enzyme Link: EC2PDB 2.1.1.64
ExplorEnz Enzyme Link: ExplorEnz 2.1.1.64
PRIAM enzyme-specific profiles Link: PRIAM 2.1.1.64
IntEnz Enzyme Link: IntEnz 2.1.1.64
MEDLINE Enzyme Link: MEDLINE 2.1.1.64
MSA:

2.1.1.64;

Phylogenetic Tree:

2.1.1.64;

Uniprot:
M-CSA:
RHEA:17049 3-demethylubiquinol-9 + S-adenosyl-L-methionine = H(+) + S-adenosyl-L-homocysteine + ubiquinol-9
RULE(radius=1) [*:1]-[OH;+0:2].[*:3]-[S+;H0:4](-[*:5])-[CH3;+0:6]>>[*:1]-[O;H0;+0:2]-[CH3;+0:6].[*:3]-[S;H0;+0:4]-[*:5]
Reaction
Core-to-Core No scaffolds atoms were exchanged as a result of the reaction

References

TitleAuthorsDatePubMed ID
5-demethylubiquinone-9-methyltransferase from rat liver mitochondria. Characterization, localization, and solubilization.Houser RM, Olson RE1977 Jun 25863914

RHEA:28679 3-demethylubiquinol-8 + S-adenosyl-L-methionine = H(+) + S-adenosyl-L-homocysteine + ubiquinol-8
RULE(radius=1) [*:1]-[OH;+0:2].[*:3]-[S+;H0:4](-[*:5])-[CH3;+0:6]>>[*:1]-[O;H0;+0:2]-[CH3;+0:6].[*:3]-[S;H0;+0:4]-[*:5]
Reaction
Core-to-Core No scaffolds atoms were exchanged as a result of the reaction

References

TitleAuthorsDatePubMed ID
Ubiquinone biosynthesis in microorganisms.Meganathan R2001 Sep 2511583838
Isolation and functional expression of human COQ3, a gene encoding a methyltransferase required for ubiquinone biosynthesis.Jonassen T, Clarke CF2000 Apr 2810777520

RHEA:44380 a 3-demethylubiquinol + S-adenosyl-L-methionine = a ubiquinol + H(+) + S-adenosyl-L-homocysteine
RULE(radius=1) [*:1]-[OH;+0:2].[*:3]-[S+;H0:4](-[*:5])-[CH3;+0:6]>>[*:1]-[O;H0;+0:2]-[CH3;+0:6].[*:3]-[S;H0;+0:4]-[*:5]
Reaction
Core-to-Core No scaffolds atoms were exchanged as a result of the reaction

References

TitleAuthorsDatePubMed ID
Endogenous synthesis of coenzyme Q in eukaryotes.Tran UC, Clarke CF2007 Jun17482885
Yeast and rat Coq3 and Escherichia coli UbiG polypeptides catalyze both O-methyltransferase steps in coenzyme Q biosynthesis.Poon WW, Barkovich RJ, Hsu AY, Frankel A, Lee PT, Shepherd JN, Myles DC, Clarke CF1999 Jul 3010419476

RHEA:44400 3-demethylubiquinol-6 + S-adenosyl-L-methionine = H(+) + S-adenosyl-L-homocysteine + ubiquinol-6
RULE(radius=1) [*:1]-[OH;+0:2].[*:3]-[S+;H0:4](-[*:5])-[CH3;+0:6]>>[*:1]-[O;H0;+0:2]-[CH3;+0:6].[*:3]-[S;H0;+0:4]-[*:5]
Reaction
Core-to-Core No scaffolds atoms were exchanged as a result of the reaction

References

TitleAuthorsDatePubMed ID
Regulation of coenzyme Q biosynthesis in yeast: a new complex in the block.González-Mariscal I, García-Testón E, Padilla S, Martín-Montalvo A, Pomares-Viciana T, Vazquez-Fonseca L, Gandolfo-Domínguez P, Santos-Ocaña C2014 Feb24470391

RHEA:44404 3-demethylubiquinol-7 + S-adenosyl-L-methionine = H(+) + S-adenosyl-L-homocysteine + ubiquinol-7
RULE(radius=1) [*:1]-[OH;+0:2].[*:3]-[S+;H0:4](-[*:5])-[CH3;+0:6]>>[*:1]-[O;H0;+0:2]-[CH3;+0:6].[*:3]-[S;H0;+0:4]-[*:5]
Reaction
Core-to-Core No scaffolds atoms were exchanged as a result of the reaction

RHEA:44412 3-demethylubiquinol-10 + S-adenosyl-L-methionine = H(+) + S-adenosyl-L-homocysteine + ubiquinol-10
RULE(radius=1) [*:1]-[OH;+0:2].[*:3]-[S+;H0:4](-[*:5])-[CH3;+0:6]>>[*:1]-[O;H0;+0:2]-[CH3;+0:6].[*:3]-[S;H0;+0:4]-[*:5]
Reaction
Core-to-Core No scaffolds atoms were exchanged as a result of the reaction

References

TitleAuthorsDatePubMed ID
Isolation and functional expression of human COQ3, a gene encoding a methyltransferase required for ubiquinone biosynthesis.Jonassen T, Clarke CF2000 Apr 2810777520