3d image of phycoviolobilin skeletal formula

phycoviolobilin blue light-absorbing form phycoerythrocyanin phycobiliprotein photosynthesis cyanobacteria chromoprotein violet bilin phycocyanobilin phycocyanin light-harvesting complex phycobilisome red algae energy transfer allophycocyanin photosynthetic chlorophyll plant pigment herbal phytochemical phytotherapy plant herb natural herbalism pharmacognosy pharmacopoeia metabolite metabolism biosynthesis mechanism biosynthetic intermediate biogenesis substrate precursor synthesis derivative bioprecursor metabolic enzyme endogenous molecule molecular formula skeletal structural structure 3d