KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
21 | - |
lactose | - |
Homo sapiens | |
21 | - |
lactose | - |
Rattus norvegicus |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Homo sapiens | - |
- |
- |
Rattus norvegicus | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Rattus norvegicus |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
small intestine | - |
Homo sapiens | - |
small intestine | - |
Rattus norvegicus | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
22 | - |
- |
Rattus norvegicus |
Storage Stability | Organism |
---|---|
-20°C, stable for several months | Rattus norvegicus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
lactose + H2O | - |
Homo sapiens | D-glucose + D-galactose | - |
? | |
lactose + H2O | - |
Rattus norvegicus | D-glucose + D-galactose | - |
? | |
phlorizin + H2O | - |
Homo sapiens | phloretin + D-glucose | - |
? | |
phlorizin + H2O | - |
Rattus norvegicus | phloretin + D-glucose | - |
? |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
37 | - |
about 30% loss of lactase activity after 30 min | Rattus norvegicus |
46 | - |
35 min, about 50% loss of phlorizin hydrolase activity. About 70% loss of lactase activity after 25 min | Rattus norvegicus |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
5.5 | - |
30% loss of activity after 0.5 min, 55% loss of activity after 120 min | Rattus norvegicus |