Difference between revisions of "Glyceraldehyde-3-phosphate dehydrogenase"
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Revision as of 09:48, 29 April 2014
The Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) enzyme serves two functions in glycolytic pathway. First the enzyme transfers a hydrogen (H-) from glyceraldehyde phosphate (Gly3P) to the oxidizing agent Nicotinamide Adenine Dinucleotide (NAD+) to form NADH. Next it adds a phosphate (P) from the cytosol to the oxidized Gly3P to form 1, 3-bisphosphoglycerate.
Contents
Chemical equation
Rate equation
Ordererd Ter-Bi reversible Michaelis-Menten equation for non-interacting substrates. [1]
Parameters
Parameter | Value | Units | Organism | Remarks |
---|---|---|---|---|
0.58 [2] | HeLa cell line | |||
0.72[2] | ||||
0.19[1] | mM | |||
0.022[1] | mM | |||
0.09[1] | mM | |||
0.01[1] | mM | |||
29[1] | mM |
Parameters with uncertainty
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Marín-Hernández A, Gallardo-Pérez JC, Rodríguez-Enríquez S et al (2011) Modeling cancer glycolysis. Biochim Biophys Acta 1807:755–767 (doi)
- ↑ 2.0 2.1 Marín-Hernández A , Rodríguez-Enríquez S, Vital-González P A, et al. (2006). Determining and understanding the control of glycolysis in fast-growth tumor cells. Flux control by an over-expressed but strongly product-inhibited hexokinase. FEBS J., 273 , pp. 1975–1988(doi)