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Stemar-13-ene synthase

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Stemar-13-ene synthase
Identifiers
EC no.4.2.3.33
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
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PMCarticles
PubMedarticles
NCBIproteins

Stemar-13-ene synthase (EC 4.2.3.33, OsDTC2, OsK8, OsKL8, OsKS8, stemarene synthase, syn-stemar-13-ene synthase) is an enzyme with systematic name 9α-copalyl-diphosphate diphosphate-lyase (stemar-13-ene-forming).[1][2] This enzyme catalyses the following chemical reaction

9α-copalyl diphosphate stemar-13-ene + diphosphate

This diterpene cyclase produces stemar-13-ene, a putative precursor of the rice phytoalexin oryzalexin S.

References

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  1. ^ Mohan RS, Yee NK, Coates RM, Ren YY, Stamenkovic P, Mendez I, West CA (June 1996). "Biosynthesis of cyclic diterpene hydrocarbons in rice cell suspensions: conversion of 9,10-syn-labda-8(17),13-dienyl diphosphate to 9beta-pimara-7,15-diene and stemar-13-ene". Archives of Biochemistry and Biophysics. 330 (1): 33–47. doi:10.1006/abbi.1996.0223. PMID 8651702.
  2. ^ Nemoto T, Cho EM, Okada A, Okada K, Otomo K, Kanno Y, Toyomasu T, Mitsuhashi W, Sassa T, Minami E, Shibuya N, Nishiyama M, Nojiri H, Yamane H (July 2004). "Stemar-13-ene synthase, a diterpene cyclase involved in the biosynthesis of the phytoalexin oryzalexin S in rice". FEBS Letters. 571 (1–3): 182–6. doi:10.1016/j.febslet.2004.07.002. PMID 15280039.
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