The Enzyme Database

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Accepted name: psilocybin synthase
Reaction: 2 S-adenosyl-L-methionine + 4-hydroxytryptamine 4-phosphate = 2 S-adenosyl-L-homocysteine + psilocybin (overall reaction)
(1a) S-adenosyl-L-methionine + 4-hydroxytryptamine 4-phosphate = S-adenosyl-L-homocysteine + 4-hydroxy-N-methyltryptamine 4-phosphate
(1b) S-adenosyl-L-methionine + 4-hydroxy-N-methyltryptamine 4-phosphate = S-adenosyl-L-homocysteine + psilocybin
For diagram of psilocybin biosynthesis, click here
Glossary: psilocybin = 3-[2-(dimethylamino)ethyl]-1H-indol-4-yl phosphate
Other name(s): PsiM
Systematic name: S-adenosyl-L-methionine:4-hydroxytryptamine-4-phosphate N,N-dimethyltransferase
Comments: Isolated from the fungus Psilocybe cubensis. The product, psilocybin, is a psychoactive compound.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Fricke, J., Blei, F. and Hoffmeister, D. Enzymatic synthesis of psilocybin. Angew. Chem. Int. Ed. Engl. 56 (2017) 12352–12355. [DOI] [PMID: 28763571]
[EC created 2017]

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