Inhibitors | Comment | Organism | Structure |
---|---|---|---|
sucrose | inhibition by sucrose is a mechanism for controlling fructan degradation in plants | Helianthus tuberosus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
8.3 | - |
1,1-kestotetraose | - |
Helianthus tuberosus | |
12 | - |
1,1,1-kestopentaose | - |
Helianthus tuberosus |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
75000 | - |
gel filtration | Helianthus tuberosus |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Helianthus tuberosus | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Helianthus tuberosus |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
tuber | activity is low in growing tubers but increases during dormancy and sprouting | Helianthus tuberosus | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
1,1,1-kestopentaose + H2O | - |
Helianthus tuberosus | ? | - |
? | |
1,1-kestotetraose + H2O | - |
Helianthus tuberosus | ? | - |
? | |
inulin + H2O | multichain mechanism | Helianthus tuberosus | fructose + ? | - |
? | |
additional information | the enzyme hydrolyzes terminal beta-(2-1)-fructosylfructose-linkages in linear and branched fructan oligomers. beta-(2-6)-linkages are hardly hydrolyzed | Helianthus tuberosus | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | 1 * 75000, SDS-PAGE | Helianthus tuberosus |
Synonyms | Comment | Organism |
---|---|---|
1-FEH II | - |
Helianthus tuberosus |
1-FEH w1 | - |
Helianthus tuberosus |
1-fructan exohydrolase | - |
Helianthus tuberosus |
beta-(2-1) fructan exohydrolase | - |
Helianthus tuberosus |
beta-(2-1)-D-fructan fructohydrolase | - |
Helianthus tuberosus |
beta-(2-1)-linkage specific FEH | - |
Helianthus tuberosus |
beta-(2-1)-linkage specific fructan-beta-fructosidase | - |
Helianthus tuberosus |
beta-(2-1)-linkage-specific fructan-beta-fructosidase | - |
Helianthus tuberosus |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
40 | - |
1 h, enzyme retains full activity | Helianthus tuberosus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
5.2 | - |
- |
Helianthus tuberosus |