chapter 16 (part 2) fatty acid catabolism ( -oxidation)
Post on 21-Dec-2015
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![Page 1: Chapter 16 (Part 2) Fatty acid Catabolism ( -oxidation)](https://reader036.vdocument.in/reader036/viewer/2022062308/56649d565503460f94a33a6f/html5/thumbnails/1.jpg)
Chapter 16 (Part 2)
Fatty acid Catabolism(-oxidation)
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Import of acyl-CoA into mitochondria
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-oxidation
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-oxidation• B-oxidation of palmitate (C16:0) yields 106
molecules of ATP• C 16:0-CoA + 7 FAD + 7 NAD+ + 7 H20 + 7 CoA
8 acetyl-CoA + 7 FADH2 + 7 NADH + 7 H+
2.5 ATPs per NADH = 17.51.5 ATPs per FADH2 = 10.5 10 ATPs per acetyl-CoA = 80
Total = 108 ATPs
• 2 ATP equivalents (ATP AMP + PPi, PPi 2 Pi) consumed during activation of palmitate to acyl-CoA
• Net yield = 106 ATPs
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Acyl-CoA Dehydrogenase
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-oxidation of odd
chain fatty acids
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-oxidation of unsaturated fatty acids
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-oxidation of fatty acids with even numbered double bonds
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Formation of ketone bodies
Re-utilization
of ketone bodies
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