preferred_name: a carotenoid beta-end derivative + 2 A = a carotenoid chi-end derivative + 2 AH2
preferred_name_lc: a carotenoid beta-end derivative + 2 a = a carotenoid chi-end derivative + 2 ah2
label: "carotenoid chi-ring synthase"
label_lc: "carotenoid chi-ring synthase"