Electron Transport and Oxidative Phosphorylation

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Complex I Oxidizes NADH and Reduces Coenzyme Q NADH-CoQ Reductase • Electron transfer from NADH to CoQ • More than 30 protein subunits - mass of 850 kD • Path: NADH → FMN → Fe-S → UQ→ FeS → UQ • Four H + transported out per 2 e - Garrett and Grisham, Biochemistry, Third Edition
Figure 20.6 Proposed structure and electron transport pathway for Complex I. Three protein complexes have been isolated, including the flavoprotein (FP), iron-sulfur protein (IP), and hydrophobic protein (HP). FP contains three peptides (of mass 51, 24, and 10 kD) and bound FMN and has 2 Fe-S centers (a 2Fe-2S center and a 4Fe-4S center). IP contains six peptides and at least 3 Fe-S centers. HP contains at least seven peptides and one Fe-S center. Garrett and Grisham, Biochemistry, Third Edition
Page 1 and 2: Chapter 20 Electron Transport and O
Page 3 and 4: Garrett and Grisham, Biochemistry,
Page 5 and 6: Figure 20.1 (a) A drawing of a mito
Page 7 and 8: Figure 20.2 Experimental apparatus
Page 9 and 10: Figure 20.3 E o΄ and E values for
Page 11: Figure 20.5 (a) The three oxidation
Page 15 and 16: Figure 20.7 The fatty acyl-CoA dehy
Page 19 and 20: Figure 20.10 The structures of iron
Page 21 and 22: Figure 20.12 The Q cycle in mitocho
Page 25 and 26: Figure 20.16 Molecular graphic imag
Page 27 and 28: Figure 20.18 (a) The Cu A site of c
Page 29 and 30: Figure 20.20 A model for the mechan
Page 31 and 32: Figure 20.21 A model for the electr
Page 33 and 34: Figure 20.24 Molecular graphic imag
Page 35 and 36: Figure 20.26 ATP production in the
Page 37 and 38: Figure 20.28 The reconstituted vesi
Page 39 and 40: Figure 20.29 The structures of seve
Page 45 and 46: 20.6 - What Is the P/O Ratio for Mi
Page 47 and 48: Figure 20.33 The glycerophosphate s
Page 49 and 50: The Net Yield of ATP from Glucose O

Electron Transport and Oxidative Phosphorylation

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