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Literature summary for 4.1.1.31 extracted from

  • Kenealy, W.R.; Zeikus, J.G.
    Characterization and function of phosphoenolpyruvate carboxylase in Methanobacterium thermoautotrophicum (1982), FEMS Microbiol. Lett., 14, 7-10.
No PubMed abstract available
Search for more literature for 4.1.1.31

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1
-
 HCO3-
-
 Methanothermobacter thermautotrophicus
2
-
 phosphoenolpyruvate
-
 Methanothermobacter thermautotrophicus

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ activates Methanothermobacter thermautotrophicus
Mg2+ Km: 0.8 mM Methanothermobacter thermautotrophicus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
Phosphoenolpyruvate + CO2 Methanothermobacter thermautotrophicus the enzyme is involved in autotrophic CO2 fixation ?
-
 ?

Organism

Organism UniProt Comment Textmining
Methanothermobacter thermautotrophicus
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
phosphoenolpyruvate + CO2
-
 Methanothermobacter thermautotrophicus phosphate + oxaloacetate
-
 ?
Phosphoenolpyruvate + CO2 the enzyme is involved in autotrophic CO2 fixation Methanothermobacter thermautotrophicus ?
-
 ?
phosphoenolpyruvate + HCO3-
-
 Methanothermobacter thermautotrophicus phosphate + oxaloacetate
-
 ?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50
-
-
 Methanothermobacter thermautotrophicus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.4
-
-
 Methanothermobacter thermautotrophicus

pH Range

pH Minimum pH Maximum Comment Organism
5.7 8 pH 5.7: about 65% of maximal activity, pH 8.0: about 50% of maximal activity Methanothermobacter thermautotrophicus