9-cis-epoxycarotenoid dioxygenase
| 9-cis-epoxycarotenoid dioxygenase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 1.13.11.51 | ||||||||
| CAS number | 199877-10-6 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
9-cis-epoxycarotenoid dioxygenase (EC 1.13.11.51, nine-cis-epoxycarotenoid dioxygenase, NCED, AtNCED3, PvNCED1, VP14) is an enzyme with systematic name 9-cis-epoxycarotenoid 11,12-dioxygenase.[1][2][3][4][5][6] This enzyme catalyses the following chemical reaction
- (1) a 9-cis-epoxycarotenoid + O2 2-cis,4-trans-xanthoxin + a 12'-apo-carotenal
- (2) 9-cis-violaxanthin + O2 2-cis,4-trans-xanthoxin + (3S,5R,6S)-5,6-epoxy-3-hydroxy-5,6-dihydro-12'-apo-beta-caroten-12'-al
- (3) 9'-cis-neoxanthin + O2 2-cis,4-trans-xanthoxin + (3S,5R,6R)-5,6-dihydroxy-6,7-didehydro-5,6-dihydro-12'-apo-beta-caroten-12'-al
9-cis-epoxycarotenoid dioxygenase contains iron(II).
References
- ↑ Schwartz, S.H.; Tan, B.C.; Gage, D.A.; Zeevaart, J.A.; McCarty, D.R. (1997). "Specific oxidative cleavage of carotenoids by VP14 of maize". Science. 276 (5320): 1872–1874. doi:10.1126/science.276.5320.1872. PMID 9188535.
- ↑ Tan, B.C.; Schwartz, S.H.; Zeevaart, J.A.; McCarty, D.R. (1997). "Genetic control of abscisic acid biosynthesis in maize". Proc. Natl. Acad. Sci. USA. 94 (22): 12235–12240. doi:10.1073/pnas.94.22.12235. PMC 23760
. PMID 9342392. - ↑ Qin, X.; Zeevaart, J.A. (1999). "The 9-cis-epoxycarotenoid cleavage reaction is the key regulatory step of abscisic acid biosynthesis in water-stressed bean". Proc. Natl. Acad. Sci. USA. 96 (26): 15354–15361. doi:10.1073/pnas.96.26.15354. PMC 24823. PMID 10611388.
- ↑ Thompson, A.J.; Jackson, A.C.; Symonds, R.C.; Mulholland, B.J.; Dadswell, A.R.; Blake, P.S.; Burbidge, A.; Taylor, I.B. (2000). "Ectopic expression of a tomato 9-cis-epoxycarotenoid dioxygenase gene causes over-production of abscisic acid". Plant J. 23 (3): 363–374. doi:10.1046/j.1365-313x.2000.00789.x. PMID 10929129.
- ↑ Iuchi, S.; Kobayashi, M.; Taji, T.; Naramoto, M.; Seki, M.; Kato, T.; Tabata, S.; Kakubari, Y.; Yamaguchi-Shinozaki, K.; Shinozaki, K. (2001). "Regulation of drought tolerance by gene manipulation of 9-cis-epoxycarotenoid dioxygenase, a key enzyme in abscisic acid biosynthesis in Arabidopsis". Plant J. 27 (4): 325–333. doi:10.1046/j.1365-313x.2001.01096.x. PMID 11532178.
- ↑ Iuchi, S.; Kobayashi, M.; Taji, T.; Naramoto, M.; Seki, M.; Kato, T.; Tabata, S.; Kakubari, Y.; Yamaguchi-Shinozaki, K.; Shinozaki, K. (2002). "Regulation of drought tolerance by gene manipulation of 9-cis-epoxycarotenoid dioxygenase, a key enzyme in abscisic acid biosynthesis in Arabidopsis". Plant J. 30: 611–611. doi:10.1046/j.1365-313X.2002.01347.x.
External links
- 9-cis-epoxycarotenoid dioxygenase at the US National Library of Medicine Medical Subject Headings (MeSH)
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