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Rubisco is the key enzyme in the Calvin Cycle is the one that catalyzes the transformation of the 5-carbon sugar ribulose-5-phosphate and the single-carbon carbon dioxide to two 3-carbon 3-phosphoglycerates. This reaction has a very high delta-G of -12.4 kcal/mol. The enzyme is also called ribulose-1-5-biphosphote carboxylase . Rubisco accounts for 16% of the protein content of the chloroplast and is likely the most abundant protein on Earth.

RuBisCO is very important in terms of biological impact because it catalyzes the most commonly used chemical reaction by which inorganic carbon enters the biosphere. RuBisCO is apparently the most abundant protein in leaves, and it may be the most abundant protein 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

2007-02-09 19:06:16 · answer #1 · answered by Jesus is my Savior 7 · 0 0

well, it practically starts the first step of carbon fixation (which 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 sucrose) and it catalyzes the most commonly used chemical reaction by which inorganic carbon enters the biosphere..
hope it answers...

2007-02-09 19:06:30 · answer #2 · answered by migzstar89 1 · 0 0

Why Is Rubisco So Important

2017-01-19 14:34:00 · answer #3 · answered by Anonymous · 0 0

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