Biology:Hexaprenyldihydroxybenzoate methyltransferase
| hexaprenyldihydroxybenzoate methyltransferase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 2.1.1.114 | ||||||||
| CAS number | 139569-30-5 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / QuickGO | ||||||||
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In enzymology, a hexaprenyldihydroxybenzoate methyltransferase (EC 2.1.1.114) is an enzyme that catalyzes the chemical reaction
- S-adenosyl-L-methionine + 3-hexaprenyl-4,5-dihydroxybenzoate [math]\displaystyle{ \rightleftharpoons }[/math] S-adenosyl-L-homocysteine + 3-hexaprenyl-4-hydroxy-5-methoxybenzoate
Thus, the two substrates of this enzyme are S-adenosyl methionine and 3-hexaprenyl-4,5-dihydroxybenzoate, whereas its two products are S-adenosylhomocysteine and 3-hexaprenyl-4-hydroxy-5-methoxybenzoate.
This enzyme belongs to the family of transferases, specifically those transferring one-carbon group methyltransferases. The systematic name of this enzyme class is S-adenosyl-L-methionine:3-hexaprenyl-4,5-dihydroxylate O-methyltransferase. Other names in common use include 3,4-dihydroxy-5-hexaprenylbenzoate methyltransferase, and dihydroxyhexaprenylbenzoate methyltransferase. This enzyme participates in ubiquinone biosynthesis.
References
- "Ubiquinone biosynthesis in Saccharomyces cerevisiae. Isolation and sequence of COQ3, the 3,4-dihydroxy-5-hexaprenylbenzoate methyltransferase gene". J. Biol. Chem. 266 (25): 16636–44. 1991. PMID 1885593.
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