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Published byEustacia Lucas Modified over 5 years ago
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The Actions of the Three Proton Pumps and ATP Synthase
Process Diagrams Step-by-Step Copyright © 2007 by John Wiley & Sons, Inc.
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+ + + + + + + – – – – – – – 1 Space between outer
and inner mitochondrial membranes H+ channel + H+ + + + + + + Inner mito- chondrial membrane Q e– – – – – – – – Mitochondrial matrix NADH + H+ NAD 1 NADH dehydrogenase complex: FMN and five Fe-S centers
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+ + + + + + + – – – – – – – 1 2 Space between outer
and inner mitochondrial membranes H+ channel + H+ + + + + + + Cyt c Inner mito- chondrial membrane e– Q e– e– – – – – – – – Mitochondrial matrix NADH + H+ NAD H+ 1 2 NADH dehydrogenase complex: FMN and five Fe-S centers Cytochrome b-c1 complex: cyt b, cyt c1, and an Fe-S center
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+ + + + + + + – – – – – – – 3 1 2 3 Space between outer
and inner mitochondrial membranes H+ channel H+ + H+ + + + + + H+ + Cyt c Inner mito- chondrial membrane e– e– Q e– e– e– – – – – – – – Mitochondrial matrix 3 1 1/2 O2 NADH + H+ NAD H+ ADP + P 3 H2O ATP ATP synthase 1 2 3 NADH dehydrogenase complex: FMN and five Fe-S centers Cytochrome b-c1 complex: cyt b, cyt c1, and an Fe-S center Cytochrome oxidase complex: cyt a, cyt a3,and two Cu
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