It plays a key role in fixing carbon from the air and has helped shape life on Earth. Given its important role in the biosphere, there are currently efforts to "improve on nature" and genetically engineer crop plants so as to contain more efficient RuBisCO… The enzyme Rubisco catalyzes the assimilation of CO 2 from the atmosphere into organic matter. The enzyme rubisco is found in all plants and other photosynthesizing organisms. "RuBisCO catalyzes either the carboxylation or oxygenation of ribulose-1,5-bisphosphate (known as RuBP) with carbon dioxide or oxygen. Rubisco is found in most autotrophic organisms, ranging from diverse prokaryotes, including photosynthetic and chemolithoautotrophic bacteria and archaea, to eukaryotic algae and higher plants. A molecule that aids the function of an enzyme by transferring a chemical group from one molecule to another. RubisCO is also clearly the most abundant protein found on earth , as it can comprise up to 50% of the total soluble protein found in leaf tissue or within specific microbes (67, 68). Where exactly in the cell is the enzyme rubisco found? RuBisCO is apparently the most abundant protein in leaves, and it may be the most abundant protein on Earth[1]. It plays a key role in fixing carbon from the air and has helped shape life on Earth. What is a coenzyme? In the stroma of the chloroplast. Ribulose-1,5-bisphosphate carboxylase oxygenase, better known as RuBisCO, is an enzyme that catalyzes the first major step of carbon fixation in the Calvin cycle.Carbon fixation is a process by which the atoms of atmospheric carbon dioxide are made available to organisms in the form of energy-rich molecules such as glucose.RuBisCO splits 6-C molecules into two equal parts. Form I Rubisco, found in green algae and vascular plants, is a hexadecamer composed of 8 large subunits (RbcL), encoded by the chloroplast genome and 8 … Rubisco: Ribulose-1,5-bisphosphate carboxylase/oxygenase (RuBisCo) is the most abundant enzyme found on earth. RuBisCo has the ability to bind to oxygen and to carbon dioxide. Carbon dioxide + water. All bona fide Rubisco proteins must first be activated or carbamylated at the ϵ-amino group of a specific lysine residue (e.g. Form I rubisco, which is found in plants, algae, and cyanobacteria, has a deep evolutionary history with the planet, going back nearly 2.4 billion years to the Great Oxygenation Event, when cyanobacteria literally transformed the Earth’s atmosphere by introducing oxygen to it through photosynthesis. What makes it unique and different to every other enzyme is the fact that it can survive on its own without the need of the … What are the products of aerobic respiration? The enzyme rubisco is found in all plants and other photosynthesizing organisms.