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Literature summary extracted from

  • Andreo, C.S.; Gonzalez, D.H.; Iglesias, A.A.
    Higher plant phosphoenolpyruvate carboxylase (1987), FEBS Lett., 213, 1-8.
No PubMed abstract available

Activating Compound

EC Number Activating Compound Comment Organism Structure
4.1.1.31 glucose 6-phosphate C4 plants and CAM plants Embryophyta

Inhibitors

EC Number Inhibitors Comment Organism Structure
4.1.1.31 Asp
-
 Embryophyta
4.1.1.31 Asp
-
 Escherichia coli
4.1.1.31 diethyl dicarbonate causes dissociation of the enzyme into dimers and monomers Embryophyta
4.1.1.31 malate L-malate Embryophyta
4.1.1.31 malate
-
 Escherichia coli
4.1.1.31 PCMB causes dissociation of the enzyme into dimers and monomers Embryophyta

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
4.1.1.31 Co2+ divalent cation required, Mn2+, Co2+ and Mg2+. Co2+ is less effective than Mg2+ or Mn2+ Embryophyta
4.1.1.31 Mg2+
-
 Escherichia coli
4.1.1.31 Mg2+ divalent cation required, Mn2+, Co2+ and Mg2+ Embryophyta

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
4.1.1.31 Phosphoenolpyruvate + CO2 Embryophyta in C4 plants the enzyme catalyzes the first step of the C4 dicarboxylic acid pathway. In CAM plants the enzyme functions in CO2 fixation ?
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
4.1.1.31 Crassula argentea
-
-
-
4.1.1.31 Embryophyta
-
-
-
4.1.1.31 Escherichia coli
-
-
-
4.1.1.31 [Brevibacterium] flavum
-
-
-

Reaction

EC Number Reaction Comment Organism Reaction ID
4.1.1.31 phosphate + oxaloacetate = phosphoenolpyruvate + HCO3- rapid equilibrium random bi bi mechanism with a dead end complex enzyme-bicarbonate [Brevibacterium] flavum
a

Source Tissue

EC Number Source Tissue Comment Organism Textmining
4.1.1.31 leaf in C4 plants, located in the mesophyll cells Embryophyta
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.1.1.31 phosphoenolpyruvate + CO2
-
 Escherichia coli phosphate + oxaloacetate
-
 ?
4.1.1.31 phosphoenolpyruvate + CO2
-
 [Brevibacterium] flavum phosphate + oxaloacetate
-
 ?
4.1.1.31 phosphoenolpyruvate + CO2
-
 Embryophyta phosphate + oxaloacetate
-
 ?
4.1.1.31 phosphoenolpyruvate + CO2
-
 Crassula argentea phosphate + oxaloacetate
-
 ?
4.1.1.31 Phosphoenolpyruvate + CO2 in C4 plants the enzyme catalyzes the first step of the C4 dicarboxylic acid pathway. In CAM plants the enzyme functions in CO2 fixation Embryophyta ?
-
 ?

Subunits

EC Number Subunits Comment Organism
4.1.1.31 dimer the enzyme exists as tetramer during the night and as a dimer during the day Crassula argentea
4.1.1.31 tetramer
-
 Escherichia coli
4.1.1.31 tetramer the enzyme exists as tetramer during the night and as a dimer during the day Crassula argentea