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Literature summary for 4.1.1.31 extracted from

  • Sadaie, M.; Nagano, T.; Suzuki, T.; Shinoyama, H.; Fujii, T.
    Some properties and physiological roles of phosphoenolpyruvate carboxylase in Rhodopseudomonas sp. No. 7 grown on ethanol under anaerobic-light conditions (1997), Biosci. Biotechnol. Biochem., 61, 625-630.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
dioxane
-
Rhodopseudomonas sp.
ethanol activates Rhodopseudomonas sp.

Inhibitors

Inhibitors Comment Organism Structure
ADP
-
Rhodopseudomonas sp.
Asp
-
Rhodopseudomonas sp.
ATP
-
Rhodopseudomonas sp.
GTP
-
Rhodopseudomonas sp.

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.23
-
phosphoenolpyruvate in presence of 0.04 mM acetyl-CoA Rhodopseudomonas sp.
1.7
-
HCO3- in presence of 0.04 mM acetyl-CoA Rhodopseudomonas sp.
3.7
-
HCO3-
-
Rhodopseudomonas sp.
5
-
phosphoenolpyruvate
-
Rhodopseudomonas sp.

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ Mg2+ or Mn2+ required Rhodopseudomonas sp.
Mn2+ Mg2+ or Mn2+ required Rhodopseudomonas sp.

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
102000
-
4 * 102000, SDS-PAGE Rhodopseudomonas sp.
400000
-
gel filtration Rhodopseudomonas sp.

Organism

Organism UniProt Comment Textmining
Rhodopseudomonas sp.
-
-
-
Rhodopseudomonas sp. No.7
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Rhodopseudomonas sp.

Source Tissue

Source Tissue Comment Organism Textmining
culture condition:acetate-grown cell grown photoanaerobically Rhodopseudomonas sp.
-
culture condition:ethanol-grown cell grown photoanaerobically Rhodopseudomonas sp.
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
48.6
-
-
Rhodopseudomonas sp.

Storage Stability

Storage Stability Organism
-20°C, little loss of activity after 8 months Rhodopseudomonas sp.

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
phosphoenolpyruvate + CO2
-
Rhodopseudomonas sp. phosphate + oxaloacetate
-
?
phosphoenolpyruvate + CO2
-
Rhodopseudomonas sp. No. 7 phosphate + oxaloacetate
-
?
phosphoenolpyruvate + CO2
-
Rhodopseudomonas sp. No.7 phosphate + oxaloacetate
-
?
phosphoenolpyruvate + HCO3-
-
Rhodopseudomonas sp. phosphate + oxaloacetate
-
?
phosphoenolpyruvate + HCO3-
-
Rhodopseudomonas sp. No. 7 phosphate + oxaloacetate
-
?
phosphoenolpyruvate + HCO3-
-
Rhodopseudomonas sp. No.7 phosphate + oxaloacetate
-
?

Subunits

Subunits Comment Organism
tetramer 4 * 102000, SDS-PAGE Rhodopseudomonas sp.

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50
-
-
Rhodopseudomonas sp.

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
45
-
rapid decrease of activity above Rhodopseudomonas sp.

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
9
-
-
Rhodopseudomonas sp.

Cofactor

Cofactor Comment Organism Structure
acetyl-CoA
-
Rhodopseudomonas sp.