Activating Compound | Comment | Organism | Structure |
---|---|---|---|
glucose 6-phosphate | C4 plants and CAM plants | Embryophyta |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Asp | - |
Embryophyta | |
Asp | - |
Escherichia coli | |
diethyl dicarbonate | causes dissociation of the enzyme into dimers and monomers | Embryophyta | |
malate | L-malate | Embryophyta | |
malate | - |
Escherichia coli | |
PCMB | causes dissociation of the enzyme into dimers and monomers | Embryophyta |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Co2+ | divalent cation required, Mn2+, Co2+ and Mg2+. Co2+ is less effective than Mg2+ or Mn2+ | Embryophyta | |
Mg2+ | - |
Escherichia coli | |
Mg2+ | divalent cation required, Mn2+, Co2+ and Mg2+ | Embryophyta |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
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 | UniProt | Comment | Textmining |
---|---|---|---|
Crassula argentea | - |
- |
- |
Embryophyta | - |
- |
- |
Escherichia coli | - |
- |
- |
[Brevibacterium] flavum | - |
- |
- |
Reaction | Comment | Organism | Reaction ID |
---|---|---|---|
phosphate + oxaloacetate = phosphoenolpyruvate + HCO3- | rapid equilibrium random bi bi mechanism with a dead end complex enzyme-bicarbonate | [Brevibacterium] flavum |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
leaf | in C4 plants, located in the mesophyll cells | Embryophyta | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
phosphoenolpyruvate + CO2 | - |
Escherichia coli | phosphate + oxaloacetate | - |
? | |
phosphoenolpyruvate + CO2 | - |
[Brevibacterium] flavum | phosphate + oxaloacetate | - |
? | |
phosphoenolpyruvate + CO2 | - |
Embryophyta | phosphate + oxaloacetate | - |
? | |
phosphoenolpyruvate + CO2 | - |
Crassula argentea | phosphate + oxaloacetate | - |
? | |
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 | Comment | Organism |
---|---|---|
dimer | the enzyme exists as tetramer during the night and as a dimer during the day | Crassula argentea |
tetramer | - |
Escherichia coli |
tetramer | the enzyme exists as tetramer during the night and as a dimer during the day | Crassula argentea |