9,9'-Dicis-zeta-carotene desaturase

9,9'-dicis-zeta-carotene desaturase (EC 1.3.5.6, zeta-carotene desaturase, ZDS) is an enzyme with systematic name 9,9'-dicis-zeta-corotene:quinone oxidoreductase.[1][2][3][4] This enzyme catalyses the following chemical reaction

9,9'-dicis-zeta-carotene + 2 quinone 7,9,7',9'-tetracis-lycopene + 2 quinol (overall reaction)
(1a) 9,9'-dicis-zeta-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
9,9'-dicis-zeta-carotene desaturase
Identifiers
EC number1.3.5.6
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum

This enzyme is involved in carotenoid biosynthesis in plants and cyanobacteria.

References
  1. Albrecht M, Linden H, Sandmann G (February 1996). "Biochemical characterization of purified zeta-carotene desaturase from Anabaena PCC 7120 after expression in Escherichia coli". European Journal of Biochemistry. 236 (1): 115–20. doi:10.1111/j.1432-1033.1996.00115.x. PMID 8617254.
  2. Josse EM, Simkin AJ, Gaffé J, Labouré AM, Kuntz M, Carol P (August 2000). "A plastid terminal oxidase associated with carotenoid desaturation during chromoplast differentiation". Plant Physiology. 123 (4): 1427–36. doi:10.1104/pp.123.4.1427. PMC 59099. PMID 10938359.
  3. Breitenbach J, Kuntz M, Takaichi S, Sandmann G (October 1999). "Catalytic properties of an expressed and purified higher plant type zeta-carotene desaturase from Capsicum annuum". European Journal of Biochemistry. 265 (1): 376–83. doi:10.1046/j.1432-1327.1999.00746.x. PMID 10491195.
  4. Breitenbach J, Sandmann G (March 2005). "zeta-Carotene cis isomers as products and substrates in the plant poly-cis carotenoid biosynthetic pathway to lycopene". Planta. 220 (5): 785–93. doi:10.1007/s00425-004-1395-2. PMID 15503129.


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