The Enzyme Database

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Accepted name: (+)-cis,trans-nepetalactol synthase
Reaction: (S)-8-oxocitronellyl enol = (+)-cis,trans-nepetalactol
For diagram of secologanin biosynthesis, click here
Glossary: (S)-8-oxocitronellyl enol = (2E,6S,7E)-8-hydroxy-2,6-dimethylocta-2,7-dienal
(+)-cis,trans-nepetalactol = (+)-iridodial lactol = (4aS,7S,7aR)-4,7-dimethyl-1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran-1-ol
Other name(s): NEPS1 (gene name); NEPS2 (gene name)
Systematic name: (S)-8-oxocitronellyl enol cyclase [(+)-cis,trans-nepetalactol-forming]
Comments: The enzyme, characterized from the plant Nepeta mussinii, binds an NAD+ cofactor. The product is a precursor of (+)-cis,trans-nepetalactone, the primary ingredient responsible for the psychoactive effects catnip has on cats.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Lichman, B.R., Kamileen, M.O., Titchiner, G.R., Saalbach, G., Stevenson, C.EM., Lawson, D.M. and O'Connor, S.E. Uncoupled activation and cyclization in catmint reductive terpenoid biosynthesis. Nat. Chem. Biol. 15 (2019) 71–79. [PMID: 30531909]
2.  Lichman, B.R., O'Connor, S.E. and Kries, H. Biocatalytic strategies towards [4+2] cycloadditions. Chemistry 25 (2019) 6864–6877. [PMID: 30664302]
[EC created 2019]

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