label: 9,9'-di-cis-zeta-carotene desaturase activity
label_lc: 9,9'-di-cis-zeta-carotene desaturase activity
description: "Catalysis of the reaction: 9,9'-di-cis-zeta-carotene + 2 a quinone = 7,7',9,9'-tetra-cis-lycopene + 2 a quinol."