3d image of phycoerythrobilin skeletal formula

phycoerythrobilin photosynthetic pigment tetrapyrrole fluorescent dye red phycobilin chromophore cyanobacteria chloroplasts red algae glaucophytes cryptomonads phycobiliprotein phycoerythrin terminal acceptor energy rhodophytes oceanic phycocyanin r-phycocyanin metabolite metabolism biosynthesis cycle mechanism pathway biosynthetic intermediate biogenesis substrate precursor synthesis derivative bioprecursor metabolic endogenous herbal phytochemical phytotherapy plant natural molecule molecular formula skeletal structural structure 3d