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Literature summary for 2.7.1.1 extracted from

  • Tahira, A.A.; Nakano, M.; Funayama, S.; Veiga, L.A.
    Purification and properties of hexokinase from Trypanosoma cruzi (1980), Arq. Biol. Tecnol. (Curitiba), 23, 283-294.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
ADP
-
Trypanosoma cruzi
D-glucose 6-phosphate
-
Trypanosoma cruzi

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information
-
Trypanosoma cruzi
0.85
-
D-mannose
-
Trypanosoma cruzi
1
-
D-fructose
-
Trypanosoma cruzi

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ absolute requirement for Mg2+ and ATP Trypanosoma cruzi

Organism

Organism UniProt Comment Textmining
Trypanosoma cruzi
-
hexokinase I
-

Purification (Commentary)

Purification (Comment) Organism
hexokinase I, 103fold Trypanosoma cruzi

Source Tissue

Source Tissue Comment Organism Textmining
epimastigote
-
Trypanosoma cruzi
-

Storage Stability

Storage Stability Organism
at least 3 months, stable Trypanosoma cruzi

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-fructose + ATP
-
Trypanosoma cruzi ADP + D-fructose 6-phosphate
-
?
D-glucose + ATP most active with D-glucose Trypanosoma cruzi ADP + D-glucose 6-phosphate
-
?
D-mannose + ATP
-
Trypanosoma cruzi ADP + D-mannose 6-phosphate
-
?
GTP + D-glucose can partially replace ATP Trypanosoma cruzi GDP + D-glucose 6-phosphate
-
?
UTP + D-glucose can partially replace ATP Trypanosoma cruzi UDP + D-glucose 6-phosphate
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
assay at Trypanosoma cruzi

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.5
-
optimal activity at pH 6.5 and 9.0 at 37°C Trypanosoma cruzi
9
-
optimal activity at pH 6.5 and 9.0 at 37°C Trypanosoma cruzi

Cofactor

Cofactor Comment Organism Structure
ATP absolute requirement for Mg2+ and ATP Trypanosoma cruzi

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.13
-
ADP
-
Trypanosoma cruzi
1.4
-
D-glucose 6-phosphate
-
Trypanosoma cruzi