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Literature summary for 2.7.1.11 extracted from

  • Isaac, J.E.; Rhodes, M.J.C.
    Phosphofructokinase from Lycopersicon esculentum fruits-I. Kinetic properties in relation to its substrates (1986), Phytochemistry, 25, 339-343.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
ATP above 1 mM, inhibition is relieved by Mg2+; free form Solanum lycopersicum
CTP free form, Mg2+ relieves Solanum lycopersicum
GTP free form, Mg2+ relieves Solanum lycopersicum
additional information not inhibited by MgATP2- Solanum lycopersicum
UTP free form, Mg2+ relieves Solanum lycopersicum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information kinetic study Solanum lycopersicum
additional information
-
additional information oligomeric form exhibits negative cooperativity with fructose 6-phosphate Solanum lycopersicum

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ required for activity Solanum lycopersicum
Mg2+ maximal activity at 5 mM, Km-value: 0.84 mM Solanum lycopersicum
Mg2+ MgATP is the active substrate Solanum lycopersicum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ATP + D-fructose 6-phosphate Solanum lycopersicum allosteric enzyme, involved in regulation of glycolytic flux ADP + D-fructose 1,6-bisphosphate
-
?

Organism

Organism UniProt Comment Textmining
Solanum lycopersicum
-
tomato, var. Eurocross BB
-

Source Tissue

Source Tissue Comment Organism Textmining
fruit
-
Solanum lycopersicum
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + D-fructose 6-phosphate
-
Solanum lycopersicum ADP + D-fructose 1,6-bisphosphate
-
?
ATP + D-fructose 6-phosphate allosteric enzyme, involved in regulation of glycolytic flux Solanum lycopersicum ADP + D-fructose 1,6-bisphosphate
-
?
CTP + D-fructose 6-phosphate less effective than ATP Solanum lycopersicum CDP + D-fructose 1,6-bisphosphate
-
?
GTP + D-fructose 6-phosphate almost as effective as ATP Solanum lycopersicum GDP + D-fructose 1,6-bisphosphate
-
?
ITP + D-fructose 6-phosphate less effective than ATP Solanum lycopersicum IDP + D-fructose 1,6-bisphosphate
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
assay at Solanum lycopersicum