The pyrenoid at a glance.
Ribulose-1,5-bisphosphate carboxylase-oxygenase (Rubisco) is the central CO2-fixing enzyme of the biosphere. It is present in virtually all photosynthetic organisms, including cyanobacteria, algae and land plants. Rubisco catalyses the carboxylation step of the Calvin-Benson-Bassham (CBB) cycle that underpins the light...