Enzymatic reactions [BR:br08201]
1. Oxidoreductase reactions
1.3 Acting on the CH-CH group of donors
1.3.5 With a quinone or related compound as acceptor
1.3.5.6
R07511 9,9'-dicis-zeta-Carotene + 2 Quinone <=> 7,9,7',9'-tetracis-Lycopene + 2 Hydroquinone