9,9'-Dicis-zeta-karoten desaturaza

9,9'-Dicis-zeta-karoten desaturaza
Identifikatori
EC broj1.3.5.6
Baze podataka
IntEnzIntEnz pregled
BRENDABRENDA pristup
ExPASyNiceZyme pregled
KEGGKEGG pristup
MetaCycmetabolički put
PRIAMprofil
Strukture PBPRCSB PDB PDBe PDBj PDBsum

9,9'-Dicis-zeta-karoten desaturaza (EC 1.3.5.6, zeta-karotenska desaturaza, ZDS) je enzim sa sistematskim imenom 9,9'-dicis-zeta-koroten:hinon oksidoreduktaza.[1][2][3][4] Ovaj enzim katalizuje sledeću hemijsku reakciju

9,9'-dicis-zeta-karoten + 2 hinon 7,9,7',9'-tetracis-likopen + 2 hinol (sveukupna reakcija)
(1a) 9,9'-dicis-zeta-karoten + hinon 7,9,9'-tricis-neurosporen + hinol
(1b) 7,9,9'-tricis-neurosporen + hinon 7,9,7',9'-tetracis-likopen + hinol

Ovaj enzim učestvuje u biosintezi karotenoida kod biljki i cijanobakterija.

Reference

  1. ^ Albrecht, M., Linden, H. and Sandmann, G. (1996). „Biochemical characterization of purified ζ-carotene desaturase from Anabaena PCC 7120 after expression in E. coli”. Eur. J. Biochem. 236: 115—120. PMID 8617254. 
  2. ^ Josse, E.M., Simkin, A.J., Gaffe, J., Laboure, A.M., Kuntz, M. and Carol, P. (2000). „A plastid terminal oxidase associated with carotenoid desaturation during chromoplast differentiation”. Plant Physiol. 123: 1427—1436. PMID 10938359. 
  3. ^ Breitenbach, J., Kuntz, M., Takaichi, S. and Sandmann, G. (1999). „Catalytic properties of an expressed and purified higher plant type ζ-carotene desaturase from Capsicum annuum”. Eur. J. Biochem. 265: 376—383. PMID 10491195. 
  4. ^ Breitenbach, J. & Sandmann, G. (2005). „ζ-Carotene cis isomers as products and substrates in the plant poly-cis carotenoid biosynthetic pathway to lycopene”. Planta. 220: 785—793. PMID 15503129. 

Literatura

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