Glucuronoxylan 4-O-methyltransferase
In enzymology, a glucuronoxylan 4-O-methyltransferase (EC 2.1.1.112) is an enzyme that catalyzes the chemical reaction
- S-adenosyl-L-methionine + glucuronoxylan D-glucuronate S-adenosyl-L-homocysteine + glucuronoxylan 4-O-methyl-D-glucuronate
| glucuronoxylan 4-O-methyltransferase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 2.1.1.112 | ||||||||
| CAS number | 123644-79-1 | ||||||||
| 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 | ||||||||
| |||||||||
Thus, the two substrates of this enzyme are S-adenosyl methionine and glucuronoxylan D-glucuronate, whereas its two products are S-adenosylhomocysteine and glucuronoxylan 4-O-methyl-D-glucuronate.
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:glucuronoxylan-D-glucuronate 4-O-methyltransferase.
References
- Baydoun EA, Usta JA-R, Waldron KW, Brett CT (1989). "A methyltransferase involved in the biosynthesis of 4-O-methylglucuronoxylan in etiolated pea epicotyls". J. Plant Physiol. 135: 81–85. doi:10.1016/s0176-1617(89)80228-7.
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