Difference between revisions of "Transformation of LTA4 to LTC4"

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(Parameters)
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|Human
 
|Human
 
|Wild Type hLTC4S, 20 °C, pH 7.8, incubated for 15 seconds.
 
|Wild Type hLTC4S, 20 °C, pH 7.8, incubated for 15 seconds.
|<ref name="Rinaldo2010"> [http://www.ncbi.nlm.nih.gov/pubmed/19010934 Rinaldo A. " Arginine 104 Is a Key Catalytic Residue in Leukotriene C4
+
|<ref name="Rinaldo2010"> [http://www.jbc.org/content/285/52/40771.full.pdf  Rinaldo A. " Arginine 104 Is a Key Catalytic Residue in Leukotriene C4
 
Synthase'' J Biochem 2010, 285, 40771-40776]</ref>
 
Synthase'' J Biochem 2010, 285, 40771-40776]</ref>
 
|-
 
|-
Line 51: Line 51:
 
|Human
 
|Human
 
|Wild Type hLTC4S, 20 °C, pH 7.8, incubated for 15 seconds.
 
|Wild Type hLTC4S, 20 °C, pH 7.8, incubated for 15 seconds.
|<ref name="Rinaldo2010"> [http://www.ncbi.nlm.nih.gov/pubmed/19010934 Rinaldo A. " Arginine 104 Is a Key Catalytic Residue in Leukotriene C4
+
|<ref name="Rinaldo2010"> [http://www.jbc.org/content/285/52/40771.full.pdf  Rinaldo A. " Arginine 104 Is a Key Catalytic Residue in Leukotriene C4
 
Synthase'' J Biochem 2010, 285, 40771-40776]</ref>
 
Synthase'' J Biochem 2010, 285, 40771-40776]</ref>
 
|-
 
|-
Line 58: Line 58:
 
|Human
 
|Human
 
|Wild Type, pH 7.8
 
|Wild Type, pH 7.8
|<ref name="Niegowski2013"> [http://www.ncbi.nlm.nih.gov/pubmed/19010934 Niegowski D. " Crystal structures of Leukotriene C4 synthase in complex with product analogs, implications for the
+
|<ref name="Niegowski2013"> [http://www.jbc.org/content/289/8/5199.full Niegowski D. " Crystal structures of Leukotriene C4 synthase in complex with product analogs, implications for the
 
enzyme mechanism'' J. Biol. Chem. 289, 5199-5207 (2014)]</ref>
 
enzyme mechanism'' J. Biol. Chem. 289, 5199-5207 (2014)]</ref>
 
|-
 
|-
 
|}
 
|}
  
 +
{|class="wikitable sortable"
 +
|+  style="text-align: left;" | Enzyme Turnover Numbers
 +
|-
 +
! Value
 +
! Units
 +
! Species
 +
! Notes
 +
! Reference
 +
|-
 +
|1.21E-04
 +
|mM
 +
|Human
 +
|Calculated from 20ug of 16.5kDa protein.
 +
Wild Type hLTC4S, 20 °C, pH 7.8, incubated for 15 seconds.
 +
|<ref name="Rinaldo2010"> [http://www.jbc.org/content/285/52/40771.full.pdf Rinaldo A. " Arginine 104 Is a Key Catalytic Residue in Leukotriene C4
 +
Synthase'' J Biochem 2010, 285, 40771-40776]</ref>
 +
|-
 +
|6.06e-05 - 3.03e-05
 +
|Human
 +
|Wild Type, pH 7.8
 +
|<ref name="Niegowski2013"> [http://www.jbc.org/content/289/8/5199.full Niegowski D. " Crystal structures of Leukotriene C4 synthase in complex with product analogs, implications for the
 +
enzyme mechanism'' J. Biol. Chem. 289, 5199-5207 (2014)]</ref>
 +
|-
 +
|}
  
 
==References==
 
==References==

Revision as of 11:50, 27 April 2016

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Reaction

Chemical equation

 AA \rightleftharpoons PGH2

Rate equation

Parameters

Michaelis-Menten Constants
Value Units Species Notes Reference
0.3 �± 0.06 mM Human Wild Type hLTC4S, 20 °C, pH 7.8, incubated for 15 seconds. [1]
3.00E-02 ± 1.00E-02 mM Human Wild type, pH 7.8 [2]
Enzyme Turnover Numbers
Value Units Species Notes Reference
702 per minute Human Wild Type hLTC4S, 20 °C, pH 7.8, incubated for 15 seconds. [1]
1560 ± 240 per minute Human Wild Type, pH 7.8 [2]
Enzyme Turnover Numbers
Value Units Species Notes Reference
1.21E-04 mM Human Calculated from 20ug of 16.5kDa protein.

Wild Type hLTC4S, 20 °C, pH 7.8, incubated for 15 seconds.

[1]
6.06e-05 - 3.03e-05 Human Wild Type, pH 7.8 [2]

References

  1. 1.0 1.1 1.2 [http://www.jbc.org/content/285/52/40771.full.pdf Rinaldo A. " Arginine 104 Is a Key Catalytic Residue in Leukotriene C4 Synthase J Biochem 2010, 285, 40771-40776] Cite error: Invalid <ref> tag; name "Rinaldo2010" defined multiple times with different content
  2. 2.0 2.1 2.2 [http://www.ncbi.nlm.nih.gov/pubmed/19010934 Niegowski D. " Crystal structures of Leukotriene C4 synthase in complex with product analogs, implications for the enzyme mechanism J. Biol. Chem. 289, 5199-5207 (2014)] Cite error: Invalid <ref> tag; name "Niegowski2013" defined multiple times with different content Cite error: Invalid <ref> tag; name "Niegowski2013" defined multiple times with different content

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