The Enzyme Database

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Accepted name: cyclopeptine synthase
Reaction: 2 ATP + S-adenosyl-L-methionine + anthranilate + L-phenylalanine = cyclopeptine + 2 AMP + 2 diphosphate + S-adenosyl-L-homocysteine
For diagram of reaction, click here
Glossary: cyclopeptine = (3S)-3-benzyl-4-methyl-3,4-dihydro-1H-1,4-benzodiazepine-2,5-dione
Systematic name: S-adenosyl-L-methionine:anthranilate:L-phenylalanine ligase (cyclopeptine-forming)
Comments: Cyclopeptine synthase is the key enzyme of benzodiazepine alkaloid biosynthesis in the fungus Penicillium cyclopium. The enzyme is a non-ribosomal peptide synthase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Lerbs, W. and Luckner, M. Cyclopeptine synthetase activity in surface cultures of Penicillium cyclopium. J. Basic Microbiol. 25 (1985) 387–391. [DOI] [PMID: 2995633]
2.  Gerlach, M, Schwelle, N., Lerbs, W. and Luckner, M. Enzymatic synthesis of cyclopeptine intermediates in Penicillium cyclopium. Phytochemistry 24 (1985) 1935–1939.
[EC created 2013]

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