ENZYME entry: EC 2.1.1.175

Accepted Name
Tricin synthase.
Reaction catalysed
2 S-adenosyl-L-methionine + tricetin <=> 2 S-adenosyl-L-homocysteine + 3',5'-O-dimethyltricetin
Comment(s)
  • The enzymes from Oryza sativa (ROMT-15 and ROMT-17) catalyzes the stepwise methylation of tricetin to its 3'-mono- and 3',5'-dimethyl ethers.
  • In contrast with the wheat enzyme (EC 2.1.1.167, tricetin 3',4',5'-O- trimethyltransferase), tricetin dimethyl ether is not converted to its 3',4',5'-trimethylated ether derivative.
  • The enzymes from Hordeum vulgare (HvOMT1) and from Zea mays (ZmOMT1) form the 3',5'-dimethyl derivative as the major product.
Cross-references
BRENDA2.1.1.175
EC2PDB2.1.1.175
ExplorEnz2.1.1.175
PRIAM enzyme-specific profiles2.1.1.175
KEGG Ligand Database for Enzyme Nomenclature2.1.1.175
IUBMB Enzyme Nomenclature2.1.1.175
IntEnz2.1.1.175
MEDLINEFind literature relating to 2.1.1.175
MetaCyc2.1.1.175
UniProtKB/Swiss-Prot
Q9XGP7, OMT15_ORYSJ;  Q7F8T6, OMT17_ORYSJ;  

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