GCA_000012465.1	PMN2A_1509	definition	phytoene synthase
GCA_000012465.1	PMN2A_1510	definition	three-step phytoene desaturase / zeta-carotene desaturase
GCA_000012465.1	PMN2A_0636	definition	phytoene dehydrogenase / carotenoid isomerase