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Literature summary for 2.7.1.1 extracted from

  • Yamashita, Y.; Ashihara, H.
    Characterization of hexokinase and fructokinase from suspension-cultured Catharanthus roseus cells (1988), Z. Naturforsch. C, 43, 827-834.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
ADP 4 mM: 50% inhibition Catharanthus roseus
AMP weak Catharanthus roseus
UDP weak Catharanthus roseus
UMP very weak Catharanthus roseus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.052
-
ATP
-
Catharanthus roseus
0.06
-
D-glucose
-
Catharanthus roseus
0.23
-
D-fructose
-
Catharanthus roseus
0.288
-
UTP
-
Catharanthus roseus

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ Mg2+ or Mn2+ required Catharanthus roseus
Mn2+ Mg2+ or Mn2+ required Catharanthus roseus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
D-fructose + ATP Catharanthus roseus fructose metabolism D-fructose 6-phosphate + ADP
-
?
D-glucose + ATP Catharanthus roseus glucose metabolism D-glucose 6-phosphate + ADP
-
?

Organism

Organism UniProt Comment Textmining
Catharanthus roseus
-
identical with Vinca rosea
-
Catharanthus roseus B/TH
-
identical with Vinca rosea
-

Purification (Commentary)

Purification (Comment) Organism
partial Catharanthus roseus

Source Tissue

Source Tissue Comment Organism Textmining
cell suspension culture
-
Catharanthus roseus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.8
-
at 30°C Catharanthus roseus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
CTP + D-glucose 35% of the activity with ATP Catharanthus roseus CDP + D-glucose 6-phosphate
-
?
CTP + D-glucose 35% of the activity with ATP Catharanthus roseus B/TH CDP + D-glucose 6-phosphate
-
?
D-fructose + ATP
-
Catharanthus roseus ADP + D-fructose 6-phosphate
-
?
D-fructose + ATP
-
Catharanthus roseus B/TH ADP + D-fructose 6-phosphate
-
?
D-fructose + ATP fructose metabolism Catharanthus roseus D-fructose 6-phosphate + ADP
-
?
D-glucose + ATP
-
Catharanthus roseus ADP + D-glucose 6-phosphate
-
?
D-glucose + ATP
-
Catharanthus roseus B/TH ADP + D-glucose 6-phosphate
-
?
D-glucose + ATP glucose metabolism Catharanthus roseus D-glucose 6-phosphate + ADP
-
?
GTP + D-glucose 19% of the activity with ATP Catharanthus roseus GDP + D-glucose 6-phosphate
-
?
GTP + D-glucose 19% of the activity with ATP Catharanthus roseus B/TH GDP + D-glucose 6-phosphate
-
?
UTP + D-glucose 23% of the activity with ATP Catharanthus roseus UDP + D-glucose 6-phosphate
-
?
UTP + D-glucose 23% of the activity with ATP Catharanthus roseus B/TH UDP + D-glucose 6-phosphate
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
assay at Catharanthus roseus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
-
Catharanthus roseus

Cofactor

Cofactor Comment Organism Structure
ATP requirement Catharanthus roseus