Transformation of PGH2 to PGE2

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Reaction

R10 PGH2 - PGE2.jpg

Chemical equation

FA \rightleftharpoons AA

Rate equation

PGES Enzyme Parameters

Michaelis-Menten Constants
Value Units Species Notes Reference
1.6E-01 ± 4.00E-03 mM Human Expression Vector: E. Coli

Enzyme: PGES pH: 8 Temperature: 37

[1]
2.15E-01 mM Human Wild Type Enzyme [2]
1.49E-02 mM Human Expression Vector: E. Coli

Enzyme: PGES pH: Unknown Temperature: Unknown

Other: cPGES, casein kinase II and Hsp90

[3]
6.66E-02 mM Human Expression Vector: E. Coli

Enzyme: PGES pH: Unknown Temperature: Unknown

[3]
Enzyme Turnover Numbers
Value Units Species Notes Reference
3000 ± 360 per minute Human Expression Vector: E. Coli.

Enzyme: Microsomal Prostaglandin E Synthase pH: 7.5 Temperature: 37

[4]
PGES Abundance
Value Units Species Notes Reference
220 ppm Human Expression Vector: Placenta

Enzyme: PGES pH: 7.5 Temperature: 37 °C

[5]
75.3 ppm Human Expression Vector: Urinary Bladder

Enzyme: PGES pH: 7.5 Temperature: 37 °C

[6]
208 ppm Human Expression Vector: Stomach

Enzyme: PGES pH: 7.5 Temperature: 37 °C

[5]
28.1 ppm Human Expression Vector: Lung

Enzyme: PGES pH: 7.5 Temperature: 37 °C

[6]
11.6 ppm Human Expression Vector: Colon

Enzyme: PGES pH: 7.5 Temperature: 37 °C

[6]

References

  1. ↑ Pettersson P. , "Identification of beta-trace as prostaglandin D synthase. FASEB J. 2010 Dec;24(12):4668-77. doi: 10.1096/fj.10-164863. Epub 2010 Jul 28.
  2. ↑ Hamza A. , "Understanding microscopic binding of human microsomal prostaglandin E synthase-1 (mPGES-1) trimer with substrate PGH2 and cofactor GSH: insights from computational alanine scanning and site-directed mutagenesis. J Phys Chem B. 2010 Apr 29;114(16):5605-16. doi: 10.1021/jp100668y.
  3. ↑ 3.0 3.1 Kobayashi T. , "Regulation of cytosolic prostaglandin E synthase by phosphorylation. Biochem J. 2004 Jul 1;381(Pt 1):59-69.
  4. ↑ [www.ncbi.nlm.nih.gov/pubmed/16399384 Pettersson P., "Human microsomal prostaglandin E synthase 1: a member of the MAPEG protein superfamily. Methods Enzymol. 2005;401:147-61.]
  5. ↑ 5.0 5.1 [http://www.nature.com/nature/journal/v509/n7502/pdf/nature13319.pdf M. Wilhelm Mass-spectrometry-based draft of the human proteome Nature, 2014 509, 582–587]
  6. ↑ 6.0 6.1 6.2 M. Kim A draft map of the human proteome Nature, 2014 509, 575–581


Related Reactions

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