nov5lect28carbsandmetabolism

nov5lect28carbsandmetabolism - Lecture 28 Carbohydrates...

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Chapter 11 Basic Concepts in Metabolism Carbohydrates Chapter 15 Lecture 28 Wed, Nov 05, 2008 1
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Glycosaminoglycans Wed, Nov 05, 2008 2
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A Proteoglycan -Aggrecan (2397 residues) Wed, Nov 05, 2008 3
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Glycoproteins contain covalently attached oligosaccharide chains N-linked N-acetylglucosamine Asn Ser (Thr) not Pro Asn-X-Ser/Thr Wed, Nov 05, 2008 4
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The (mannose) 3 (GlcNAc) 2 core found in all N-linked oligosaccharides Wed, Nov 05, 2008 5
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An O-linked disaccharide Ser or Thr Wed, Nov 05, 2008 6
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Chapter 15 Role of ATP in Metabolism Thermodynamics -Coupled Reactions Wed, Nov 05, 2008 7
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(1) A + B C + D (2) D + E F + G Sum A + B + E C + F + G G°´ 1 G°´ 2 G°´ 3 G°´ 1 = + G°´ 2 Coupled Reactions G°´ values of sequential chemical reactions are additive Wed, Nov 05, 2008 8
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(1) G°´ = + 13.8 kJ/mol (2) G°´ = – 30.5 kJ/mol G°´ = 13.8 kJ/mol + (– 30.5 kJ/mol) = – 16.7 kJ/mol glucose + P i glucose 6-phosphate + H 2 O ATP + H 2 O ADP + P i
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nov5lect28carbsandmetabolism - Lecture 28 Carbohydrates...

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