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Literature summary for 4.1.1.49 extracted from

  • Cymeryng, C.; Cazzulo, J.J.; Cannata, J.J.B.
    Phosphoenolpyruvate carboxykinase from Trypanosoma cruzi. Purification and physicochemical and kinetic properties (1995), Mol. Biochem. Parasitol., 73, 91-101.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
5,5'-dithiobis(2-nitrobenzoate)
-
Trypanosoma cruzi
Fluorescein mercuric acetate
-
Trypanosoma cruzi
IDP inhibits exchange reaction with ATP or GTP Trypanosoma cruzi
o-Iodosobenzoate 0.5 mM, 50% inhibition Trypanosoma cruzi
p-chloromercuribenzenesulfonate
-
Trypanosoma cruzi
p-chloromercuribenzoate
-
Trypanosoma cruzi

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.017
-
ADP ADP in form of MnADP- Trypanosoma cruzi
0.019
-
ATP exchange reaction Trypanosoma cruzi
0.019
-
ATP ATP in form of MnATP2- Trypanosoma cruzi
0.027
-
ATP ATP in form of MnATP2- Trypanosoma cruzi
0.035
-
phosphoenolpyruvate
-
Trypanosoma cruzi
0.041
-
oxaloacetate exchange reaction Trypanosoma cruzi
0.044
-
oxaloacetate
-
Trypanosoma cruzi

Metals/Ions

Metals/Ions Comment Organism Structure
Co2+ exchange reaction: Mn2+ is the most effective divalent cation activator followed by Cd2+ and Mg2+ Trypanosoma cruzi
Mg2+ exchange reaction: MnCl2 is the most effective divalent cation activator followed by Cd2+ and Mg2+ Trypanosoma cruzi
Mn2+ exchange reaction: Mn2+ is the most effective divalent cation activator followed by Cd2+ and Mg2+ Trypanosoma cruzi

Organism

Organism UniProt Comment Textmining
Trypanosoma cruzi
-
Tul O strain
-
Trypanosoma cruzi Tul O
-
Tul O strain
-

Purification (Commentary)

Purification (Comment) Organism
-
Trypanosoma cruzi

Source Tissue

Source Tissue Comment Organism Textmining
epimastigote
-
Trypanosoma cruzi
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Trypanosoma cruzi

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ADP + phosphoenolpyruvate + CO2
-
Trypanosoma cruzi ATP + oxaloacetate
-
?
ADP + phosphoenolpyruvate + CO2
-
Trypanosoma cruzi Tul O ATP + oxaloacetate
-
?
ATP + oxaloacetate
-
Trypanosoma cruzi ADP + phosphoenolpyruvate + CO2
-
?
ATP + oxaloacetate
-
Trypanosoma cruzi Tul O ADP + phosphoenolpyruvate + CO2
-
?
CTP + oxaloacetate 15% of the activity with ATP Trypanosoma cruzi CDP + phosphoenolpyruvate + CO2
-
?
GTP + oxaloacetate 52% of the activity with ATP Trypanosoma cruzi GDP + phosphoenolpyruvate + CO2
-
?
GTP + oxaloacetate 52% of the activity with ATP Trypanosoma cruzi Tul O GDP + phosphoenolpyruvate + CO2
-
?
ITP + oxaloacetate 36% of the activity with ATP Trypanosoma cruzi IDP + phosphoenolpyruvate + CO2
-
?
ITP + oxaloacetate 36% of the activity with ATP Trypanosoma cruzi Tul O IDP + phosphoenolpyruvate + CO2
-
?
additional information CO2-exchange reaction with ATP, GTP, ITP, CTP, UTP and TTP Trypanosoma cruzi ?
-
?
additional information CO2-exchange reaction with ATP, GTP, ITP, CTP, UTP and TTP Trypanosoma cruzi Tul O ?
-
?
TTP + oxaloacetate 16% of the activity with ATP Trypanosoma cruzi TDP + phosphoenolpyruvate + CO2
-
?
UTP + oxaloacetate 20% of the activity with ATP Trypanosoma cruzi UDP + phosphoenolpyruvate + CO2
-
?

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.5
-
o-Iodosobenzoate
-
Trypanosoma cruzi