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Literature summary for 2.7.1.90 extracted from

  • Phillips, N.F.; Li, Z.
    Kinetic mechanism of pyrophosphate-dependent phosphofructokinase from Giardia lamblia (1995), Mol. Biochem. Parasitol., 73, 43-51.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
D-fructose 1,6-bisphosphate forward reaction, product inhibition, kinetics Giardia intestinalis
D-fructose 2,6-bisphosphate
-
Giardia intestinalis
D-fructose 6-phosphate reverse reaction, product inhibition, kinetics Giardia intestinalis
diphosphate kinetics; reverse reaction Giardia intestinalis
phosphate forward reaction, product inhibition, kinetics Giardia intestinalis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information kinetics Giardia intestinalis

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ requirement Giardia intestinalis
Mg2+ substrates are Mg2+-chelated complexes of phosphate and diphosphate, respectively, not uncomplexed ligands Giardia intestinalis

Organism

Organism UniProt Comment Textmining
Giardia intestinalis
-
-
-
Giardia intestinalis Portland-1 / ATCC 30888
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
cell culture
-
Giardia intestinalis
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
diphosphate + D-fructose 6-phosphate substrates are Mg2+-chelated complexes of phosphate and diphosphate, respectively, not uncomplexed ligands Giardia intestinalis phosphate + D-fructose 1,6-bisphosphate
-
r
diphosphate + D-fructose 6-phosphate specific for diphosphate as phosphor donor Giardia intestinalis phosphate + D-fructose 1,6-bisphosphate
-
r
diphosphate + D-fructose 6-phosphate substrates are Mg2+-chelated complexes of phosphate and diphosphate, respectively, not uncomplexed ligands Giardia intestinalis Portland-1 / ATCC 30888 phosphate + D-fructose 1,6-bisphosphate
-
r
diphosphate + D-fructose 6-phosphate specific for diphosphate as phosphor donor Giardia intestinalis Portland-1 / ATCC 30888 phosphate + D-fructose 1,6-bisphosphate
-
r

Synonyms

Synonyms Comment Organism
PPi-dependent phosphofructokinase
-
Giardia intestinalis
PPi-PFK
-
Giardia intestinalis
pyrophosphate-dependent phosphofructokinase
-
Giardia intestinalis

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
83
-
phosphate both reaction directions Giardia intestinalis
83
-
phosphate substrate is a Mg2+-chelated complexe of phosphate, not uncomplexed ligand Giardia intestinalis
83
-
phosphate pH 7.4, 30°C Giardia intestinalis
83
-
diphosphate both reaction directions, pH 7.4, 30°C Giardia intestinalis
83
-
diphosphate substrate is a Mg2+-chelated complexe of diphosphate, not uncomplexed ligand Giardia intestinalis

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
additional information
-
additional information kinetic product inhibition Giardia intestinalis
3.24
-
D-fructose 2,6-bisphosphate versus fructose 1,6-bisphosphate, competitive, pH 7.4, 30°C Giardia intestinalis
7.36
-
D-fructose 2,6-bisphosphate versus phosphate, pH 7.4, 30°C Giardia intestinalis