caffeine synthase activity

Term ID

GO:0102741

Synonyms

• 3N-methyltransferase activity
• dimethylxanthine methyltransferase activity
• paraxanthine:S-adenosyl-L-methionine 3-N-methyltransferase activity
• theobromine:S-adenosyl-L-methionine 1-N-methyltransferase activity

Definition

Catalysis of the reaction: 1,7-dimethylxanthine + S-adenosyl-L-methionine = H+ + caffeine + S-adenosyl-L-homocysteine. Also converts theobromine to caffeine and 7-methylxanthine to theobromine. 2.1.1.160

References

• EC:2.1.1.160
• MetaCyc:RXN-7599
• MetaCyc:RXN-7601
• RHEA:10280
• RHEA:20944
• RHEA:24604

Ontology

GO: Molecular Function    QuickGO    AmiGO