Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
66000 | - |
HK1 and HK2, gel filtration | Solanum tuberosum |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
D-glucose + ATP | Solanum tuberosum | organ- and development-specific changes in the abundance of the various enzyme forms contribute to the regulation of hexose metabolism | D-glucose 6-phosphate + ADP | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Solanum tuberosum | - |
cv. Desiree, 3 isoenzymes: HK1, HK2, HK3 | - |
Purification (Comment) | Organism |
---|---|
3 isoenzymes: HK1: 140fold, HK2: 40fold, HK3: 25fold | Solanum tuberosum |
partial | Solanum tuberosum |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
tuber | developing | Solanum tuberosum | - |
tuber | organ- and development-specific changes in the abundance of the 3 isoenzymes | Solanum tuberosum | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.06 | - |
HK3, at pH 8 | Solanum tuberosum |
0.72 | - |
HK2, at pH 8 | Solanum tuberosum |
0.84 | - |
HK1, at pH 8 | Solanum tuberosum |
Storage Stability | Organism |
---|---|
-180°C, 2 months, stable | Solanum tuberosum |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
D-fructose + ATP | HK3: 16% of the activity with glucose | Solanum tuberosum | ADP + D-fructose 6-phosphate | - |
? | |
D-fructose + ATP | HK1: 4% of the activity with glucose, HK2: 3% of the activity with glucose | Solanum tuberosum | ADP + D-fructose 6-phosphate | - |
? | |
D-glucose + ATP | - |
Solanum tuberosum | ADP + D-glucose 6-phosphate | - |
? | |
D-glucose + ATP | organ- and development-specific changes in the abundance of the various enzyme forms contribute to the regulation of hexose metabolism | Solanum tuberosum | D-glucose 6-phosphate + ADP | - |
? |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8 | - |
assay at | Solanum tuberosum |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
ATP | - |
Solanum tuberosum |