ID   1.3.99.26
DE   all-trans-zeta-carotene desaturase.
AN   2-step phytoene desaturase.
AN   phytoene desaturase.
CA   all-trans-zeta-carotene + 2 A = all-trans-lycopene + 2 AH2.
CC   -!- This enzyme is involved in carotenoid biosynthesis.
DR   Q02861, CRTI_MYXXA ;
//