KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.7 | - |
amylopectin | - |
Rana japonica | |
1.1 | - |
maltose | - |
Rana japonica | |
1.4 | - |
glycogen | - |
Rana japonica | |
1.7 | - |
starch | soluble | Rana japonica | |
1.8 | - |
amylose | - |
Rana japonica | |
4 | - |
isomaltose | - |
Rana japonica |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
116000 | - |
1 * 116000 + 1 * 212000, SDS-PAGE | Rana japonica |
212000 | - |
1 * 116000 + 1 * 212000, SDS-PAGE | Rana japonica |
440000 | - |
papain solubilized enzyme, gel filtration | Rana japonica |
550000 | - |
detergent solubilized enzyme, gel filtration | Rana japonica |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
additional information | Rana japonica | the enzyme is responsible for much of the isomaltase and maltase activities in the intestine of the frog | ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Rana japonica | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Rana japonica |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
intestine | brush border membrane | Rana japonica | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
amylopectin + H2O | - |
Rana japonica | D-glucose + ? | - |
? | |
amylose + H2O | - |
Rana japonica | glucose + ? | - |
? | |
glycogen + H2O | - |
Rana japonica | glucose + ? | - |
? | |
isomaltose + H2O | - |
Rana japonica | glucose | - |
? | |
maltose + H2O | - |
Rana japonica | 2 glucose | - |
? | |
additional information | the enzyme is responsible for much of the isomaltase and maltase activities in the intestine of the frog | Rana japonica | ? | - |
? | |
starch + H2O | soluble | Rana japonica | glucose + ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
dimer | 1 * 116000 + 1 * 212000, SDS-PAGE | Rana japonica |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6 | 7 | hydrolysis of isomaltose | Rana japonica |
6.5 | 7.5 | hydrolysis of soluble starch | Rana japonica |
7 | 8 | hydrolysis of maltose | Rana japonica |