Carotene 7,8-desaturase, also called zeta-carotene desaturase, catalyzes multiple steps in the pathway from geranylgeranyl-PP to all-trans-lycopene in plants and cyanobacteria. A similar enzyme and pathway is found in the green sulfur bacterium Chlorobium tepidum.
Jiyao W et al.(2023). "The conserved domain database in 2023.",