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Lehninger Principles of Biochemistry Fourth Edition Chapter 20
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Lehninger Principles of Biochemistry Fourth Edition Chapter 20
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Lehninger Principles of. Biochemistry. Fourth Edition. Chapter 20: Carbohydrate Biosynthesis in Plants and Bacteria. Copyright © 2004 by W. H. Freeman & ...
David L. Nelson and Michael M. Cox
Lehninger Principles of Biochemistry Fourth Edition
Chapter 20: Carbohydrate Biosynthesis in Plants and Bacteria
Copyright © 2004 by W. H. Freeman & Company 1
Metabolism Catabolism Anabolism Carbohydrate Biosynthesis CO2 fixation (plant, bacteria)
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Nobel Laureate Chemistry 1961 5
C3 Plants Calvin Cycle 6
Ribulose 1,5-bisphosphate carboxylase/oxygenase (Rubisco) (from spinach)
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C3 Plants Calvin Cycle 11
Calvin Cycle Stage 2 12
Calvin Cycle Stage 3
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Transketolase Coenzyme: Thiamine pyrophosphate (TPP)
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Regeneration of ribulose 1,5-bisphosphate
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Source of ATP and NADPH
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Enzymes activated by light in Calvin cycles Sedoheptulose 1,7-bisphosphatase Fructose 1,6-bisphosphatase Ribulose 1-phosphate kinase Glyceraldehyde 3-phosphate dehydrogenase 20
Oxygenase Activity of Rubisco Ribulose 1,5-bisphosphate carboxylase/oxygenase Photorespiration 2-phosphoglycerate: metabolic useless
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C4 plants CO2 fixation and Rubisco activity are spatially separated
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Carbon assimilation in C4 plants
PEP carboxylase does not use O2 as an alternate substrate
No O2 available for Rubisco thus no photorespiration side reaction 23
Starch Biosynthesis (in plastids)
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Sucrose Biosynthesis (in cytosol)
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Regulation of Sucrose Biosynthesis by Fructose 2,6-bisphosphate
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Regulation of Sucrose Biosynthesis by Phosphorylation of Sucrose 6-phosphate Synthase
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Regulation of Starch Biosynthesis
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Plant Cell Wall Cellulose
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The process that penicillins’ action take places
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The Natural Affinity Label: Penicillins Mechanism-base (Suicide) Enzyme Inhibitor
Similarity of Penicillin with the Transition-State of the Substrate of Glycopeptide Transpeptidase
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