NDLI: Ribulose Bisphosphate Carboxylase: Properties and Regulation

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Ribulose Bisphosphate Carboxylase: Properties and Regulation

Content Provider	Scilit
Author	Bahr, James T.
Copyright Year	2019
Description	Ribulose-1,5-bisphosphate carboxylase-oxygenase may be regarded as the starting point for two major metabolic pathways in green plant tissues. Photosynthetic $CO_{2}$ assimilation in a certain sense begins with the carboxylation of ribulose-1,5-bisphosphate, catalyzed by this protein, to form two molecules of 3-phosphoglycerate. The role of the photochemical and bioenergetic metabolism phases of photosynthesis may be envisioned as converting the resultant 3-phosphoglycerate into higher energy sugar phosphates for use by other metabolic pathways (triose phosphates), and as providing the thermodynamic driving force for the carboxylation reaction (by regenerating ribulose-1,5-bisphosphate). The photorespiratory pathway also begins at a reaction catalyzed by this protein, the oxygenation of ribulose-1,5-bisphosphate to yield one molecule of 3-phosphoglycerate and one molecule of 2-phosphoglycolate. After dephosphorylation of 2-phosphoglycolate, the glycolic acid leaves the chloroplast and is metabolized with loss of $CO_{2}$ via enzymes located in various cellular compartments. Book Name: Biochemical Basis of Plant Breeding: Volume I Carbon Metabolism
Related Links	https://content.taylorfrancis.com/books/download?dac=C2019-0-99054-5&isbn=9780429291432&doi=10.1201/9780429291432-5&format=pdf
Ending Page	72
Page Count	14
Starting Page	59
DOI	10.1201/9780429291432-5
Language	English
Publisher	Informa UK Limited
Publisher Date	2019-07-17
Access Restriction	Open
Subject Keyword	Book Name: Biochemical Basis of Plant Breeding: Volume I Carbon Metabolism Plant Sciences Protein Bisphosphate Ribulose Phosphoglycolate Carboxylase Phosphates Phosphoglycerate Carboxylation Metabolic Molecule
Content Type	Text
Resource Type	Chapter

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