>sp|O07333|CRTY_ARTPT Phytoene synthase OS=Arthrospira platensis GN=crtB MLQLSKSPCMRTPATRSDSYELCRQITAQYAKTFYLGTQLMPLAKRQAIWAIYVWCRRTD ELVDGPMASSTTLETLDHWEEQLESIFAGHPIEPVDVALVDTLGRFPLDIQPFRDMIAGQ RMDLSRNRYNTFDELNLYCYRVAGTVGLMSLAVMGTAEPDLSVPWNRDQSIYYPKEEAIA LGIANQLTNILRDVGEDARRGRIYLPLDDLALFNYTEADLLNGKVDERWRELMRFQIQRA RKFYTLAEEGIAALHPDIRWPVWTALMLYRQILDEIERNEYDVFNQRAYVPTWKKMMCLP LAQLRARVL