The Enzyme Database

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Accepted name: 9,9′-dicis-ζ-carotene desaturase
Reaction: 9,9′-dicis-ζ-carotene + 2 quinone = 7,9,7′,9′-tetracis-lycopene + 2 quinol (overall reaction)
(1a) 9,9′-dicis-ζ-carotene + a quinone = 7,9,9′-tricis-neurosporene + a quinol
(1b) 7,9,9′-tricis-neurosporene + a quinone = 7,9,7′,9′-tetracis-lycopene + a quinol
For diagram of plant and cyanobacteria carotenoid biosynthesis, click here
Glossary: prolycopene = 7,9,7′,9′-tetracis-lycopene
Other name(s): ζ-carotene desaturase; ZDS
Systematic name: 9,9′-dicis-ζ-corotene:quinone oxidoreductase
Comments: This enzyme is involved in carotenoid biosynthesis in plants and cyanobacteria.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Albrecht, M., Linden, H. and Sandmann, G. Biochemical characterization of purified ζ-carotene desaturase from Anabaena PCC 7120 after expression in E. coli. Eur. J. Biochem. 236 (1996) 115–120. [DOI] [PMID: 8617254]
2.  Josse, E.M., Simkin, A.J., Gaffe, J., Laboure, A.M., Kuntz, M. and Carol, P. A plastid terminal oxidase associated with carotenoid desaturation during chromoplast differentiation. Plant Physiol. 123 (2000) 1427–1436. [PMID: 10938359]
3.  Breitenbach, J., Kuntz, M., Takaichi, S. and Sandmann, G. Catalytic properties of an expressed and purified higher plant type ζ-carotene desaturase from Capsicum annuum. Eur. J. Biochem. 265 (1999) 376–383. [DOI] [PMID: 10491195]
4.  Breitenbach, J. and Sandmann, G. ζ-Carotene cis isomers as products and substrates in the plant poly-cis carotenoid biosynthetic pathway to lycopene. Planta 220 (2005) 785–793. [DOI] [PMID: 15503129]
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