Difference between revisions of "UDPG-pyrophosphorylase"
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|<math>min^{-1}</math> | |<math>min^{-1}</math> | ||
|rowspan="6"|Recombinant, human muscle | |rowspan="6"|Recombinant, human muscle | ||
− | | | + | |rowspan="6"| |
|- | |- | ||
|<math>K_{Glc1P}</math> | |<math>K_{Glc1P}</math> | ||
|0.4 <ref name="duggleby_1996"> Duggleby RG, Chao YC, Huang JG, Peng HL & Chang HY (1996). ''Sequence differences between human muscle and liver cDNAs for UDPglucose pyrophosphorylase and kinetic properties of the recombinant enzymes expressed in Escherichia coli''. Eur J Biochem 235, 173–179. </ref> | |0.4 <ref name="duggleby_1996"> Duggleby RG, Chao YC, Huang JG, Peng HL & Chang HY (1996). ''Sequence differences between human muscle and liver cDNAs for UDPglucose pyrophosphorylase and kinetic properties of the recombinant enzymes expressed in Escherichia coli''. Eur J Biochem 235, 173–179. </ref> | ||
|mM | |mM | ||
− | |||
|- | |- | ||
|<math>K_{UTP}</math> | |<math>K_{UTP}</math> | ||
|0.92 <ref name="duggleby_1996"></ref> | |0.92 <ref name="duggleby_1996"></ref> | ||
|mM | |mM | ||
− | |||
|- | |- | ||
|<math>K_{UDPG}</math> | |<math>K_{UDPG}</math> | ||
|<math> 6.3 \times 10^{-2} </math> <ref name="duggleby_1996"></ref> | |<math> 6.3 \times 10^{-2} </math> <ref name="duggleby_1996"></ref> | ||
|mM | |mM | ||
− | |||
|- | |- | ||
|<math>K_{ppi}</math> | |<math>K_{ppi}</math> | ||
|<math>0.38</math><ref name="duggleby_1996"></ref> | |<math>0.38</math><ref name="duggleby_1996"></ref> | ||
|mM | |mM | ||
− | |||
|- | |- | ||
|<math>K_{eq}</math> | |<math>K_{eq}</math> | ||
|<math>0.24</math><ref name="duggleby_1996"></ref> | |<math>0.24</math><ref name="duggleby_1996"></ref> | ||
|Dimensionless | |Dimensionless | ||
− | |||
|} | |} | ||
==References== | ==References== | ||
<references/> | <references/> |
Revision as of 10:51, 27 March 2014
This enzyme converts UTP and G1P to UDP-glucose (UDPG) and pyrophosphate (PPi)
Chemical equation
Rate equation
Reversible Bi substrate Michaelis-Menten equation with random binding order is used [1]
Parameter values
Parameter | Value | Units | Organism | Remarks |
---|---|---|---|---|
200 [2] | Recombinant, human muscle | |||
0.4 [3] | mM | |||
0.92 [3] | mM | |||
[3] | mM | |||
[3] | mM | |||
[3] | Dimensionless |
References
- ↑ Palm, D.C. (2013). The regulatory design of glycogen metabolism in mammalian skeletal muscle (Ph.D.). University of Stellenbosch
- ↑ Villar-Palasi C & Larner J (1960). Levels of activity of the enzymes of the glycogen cycle in rat tissues. Arch Biochem Biophys 86, 270–273.
- ↑ 3.0 3.1 3.2 3.3 3.4 Duggleby RG, Chao YC, Huang JG, Peng HL & Chang HY (1996). Sequence differences between human muscle and liver cDNAs for UDPglucose pyrophosphorylase and kinetic properties of the recombinant enzymes expressed in Escherichia coli. Eur J Biochem 235, 173–179.