145 10.51 Niacin Functions
Approximately 200 enzymes require NAD or NADP+. We will go through some selected functions of NAD and NADP+. The following figures and legends show and describe the functions of NAD and NADP+.
HMG CoA reductase, the rate-limiting enzyme in cholesterol synthesis, uses NADPH. NADPH is also used by the antioxidant enzyme glutathione reductase as shown in the link below6.
| Web Link
–The Glutathione Oxidation Reduction (Redox) Cycle |
References & Links
1. http://en.wikipedia.org/wiki/File:CellRespiration.svg
2. http://en.wikipedia.org/wiki/File:Citric_acid_cycle_with_aconitate_2.svg
3. http://en.wikipedia.org/wiki/File:Ethanol_flat_structure.png
4. https://en.wikipedia.org/wiki/Acetaldehyde#/media/File:Acetaldehyde-2D-flat.svg
5. http://en.wikipedia.org/wiki/Mitochondrion
6. Gropper SS, Smith JL, Groff JL. (2008) Advanced nutrition and human metabolism. Belmont, CA: Wadsworth Publishing.
Links