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Literature summary for 2.7.1.4 extracted from

  • Hoepfner, S.W.; Botha, F.C.
    Expression of fructokinase isoforms in the sugarcane culm (2003), Plant Physiol. Biochem., 41, 741-747.
No PubMed abstract available
Search for more literature for 2.7.1.4

Inhibitors

Inhibitors Comment Organism Structure
D-fructose isoform FRK2, inhibitory above 0.1 mM, 50% inhibition at 0.23 mM Saccharum sp.

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.018
-
 D-fructose isoform FRK2, pH 8.0 Saccharum sp.
0.028
-
 D-fructose isoform FRK1, pH 8.0 Saccharum sp.

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
33000
-
 x * 33000, SDS-PAGE, isoforms FRK1 and FRK2 Saccharum sp.

Organism

Organism UniProt Comment Textmining
Saccharum sp.
-
 var N19, isoforms FRK1 and FRK2
-

Source Tissue

Source Tissue Comment Organism Textmining
internode
-
 Saccharum sp.
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + D-fructose highly specific for D-fructose, both isoforms Saccharum sp. ADP + D-fructose 6-phosphate
-
 ?
ATP + D-glucose isoform FRK1, 1.6% of activity with D-fructose, isoform FRK2, 7.8% of activity with D-fructose Saccharum sp. ADP + D-glucose 6-phosphate
-
 ?
ATP + D-mannose isoform FRK1, 2.2% of activity with D-fructose, isoform FRK2, 2.4% of activity with D-fructose Saccharum sp. ADP + D-mannose 6-phosphate
-
 ?

Subunits

Subunits Comment Organism
? x * 33000, SDS-PAGE, isoforms FRK1 and FRK2 Saccharum sp.

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.16
-
 D-fructose isoform FRK2, pH 8.0 Saccharum sp.