Lec 9 - Metabolic Biochemistry BIBC102 Lecture 9 January...

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Metabolic Biochemistry BIBC102 Lecture 9 January 29, 2007
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GLYCOGEN METABOLISM LNC Chapter 15 GLYCOGEN SYNTHESIS LNC Chapter 20
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Chapter 15 pp. 560-570 (some figures from Chapter 7) in Lehninger 4 th ed. Glycogen Metabolism
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Catabolic Pathways Glycogen → Glu-6-P ( glycogenolysis ) Glu-6-P → Pyruvate ( glycolysis ) Anabolic Pathways Pyruvate → Glu ( gluconeogenesis ) Glu → Glycogen ( glycogenesis )
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Figure 7-14b
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3 enzymes of glycogen breakdown (Glycogenolysis) glycogen phosphorylase glycogen debranching enzyme phosphoglucomutase
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Figure 7-11 Non-reducing end Reducing end
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Figure 7-10 Can reduce Cu 2+ Cannot reduce Cu 2+ Note this shows the β, not α configuration Oxidized sugar
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Figure 15-3 OH
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Figure 7-15b
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Figure 15-3 Pyridoxal phosphate cofactor
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Figure 15-4 Pyridoxal phosphate cofactor 1 2 3 4 1 2 3 4
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3 enzymes of glycogen breakdown (Glycogenolysis) 1) glycogen phosphorylase 1) glycogen debranching enzyme [ oligo (α1→6) to (α1→4) glucantransferase] 1) phosphoglucomutase
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1 2 3 4 1 2 3 4 1 1 2 3 4 2 3 4 Figure 15-4
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Figure 15-4 Hydrolysis, NOT Phosphorolysis
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LNC 15.13
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This note was uploaded on 02/25/2010 for the course BIBC na taught by Professor Schfler during the Spring '10 term at UCSD.

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Lec 9 - Metabolic Biochemistry BIBC102 Lecture 9 January...

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