Inhibitors | Comment | Organism | Structure |
---|---|---|---|
cerebroside | bovine brain cerebroside | Platyrrhini | |
phlorizin | competitive inhibitor of lactose hydrolysis | Platyrrhini |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.4 | - |
phlorizin | - |
Platyrrhini | |
2.78 | - |
cellobiose | - |
Platyrrhini | |
21.8 | - |
lactose | - |
Platyrrhini |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Platyrrhini | - |
lactase-phlorizin hydrolase complex | - |
Purification (Comment) | Organism |
---|---|
- |
Platyrrhini |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
small intestine | - |
Platyrrhini | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
16.1 | - |
lactase | Platyrrhini |
450 | - |
phlorizin hydrolase | Platyrrhini |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
cellobiose + H2O | 16% of the activity with lactose | Platyrrhini | 2 beta-D-glucose | - |
? | |
lactose + H2O | - |
Platyrrhini | D-glucose + D-galactose | most active substrate | ? | |
methyl-beta-D-glucoside + H2O | 7.3% of the activity with lactose | Platyrrhini | methanol + beta-D-glucose | - |
? | |
o-nitrophenyl-beta-galactoside + H2O | 15.4% of the activity with lactose | Platyrrhini | o-nitrophenol + beta-D-galactose | - |
? | |
o-nitrophenyl-beta-glucoside + H2O | 13% of the activity with lactose | Platyrrhini | o-nitrophenol + beta-D-glucose | - |
? | |
p-nitrophenyl-beta-galactoside + H2O | 9.3% of the activity with lactose | Platyrrhini | p-nitrophenol + beta-D-galactose | - |
? | |
p-nitrophenyl-beta-glucoside + H2O | 12.7% of the activity with lactose | Platyrrhini | p-nitrophenol + beta-D-glucose | - |
? | |
phlorizin + H2O | at 2.3% of the activity with lactose | Platyrrhini | phloretin + D-glucose | - |
? | |
salicin + H2O | 1.6% of the activity with lactose | Platyrrhini | ? | - |
? |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
55 | - |
lactase and phlorizin hydrolase activity are identically heat inactivated | Platyrrhini |