Activating Compound | Comment | Organism | Structure |
---|---|---|---|
MgATP2- | C-trehalase can be activated by MgATP2- in presence of cAMP | Saccharomyces cerevisiae |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
acetate | strong inhibition by acetic acid/acetate buffer, V-trehalase | Saccharomyces cerevisiae | |
EDTA | 1 mM, C-trehalase, complete inhibition | Saccharomyces cerevisiae | |
K+ | 100 mM KCl, 65% inhibition of C-trehalase | Saccharomyces cerevisiae | |
MgCl2 | 50 mM, C-trehalase, complete inhibition | Saccharomyces cerevisiae | |
ZnCl2 | 0.1 mM, C-trehalase, complete inhibition | Saccharomyces cerevisiae |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
1.4 | - |
trehalose | V-trehalase | Saccharomyces cerevisiae | |
5.7 | - |
trehalose | C-trehalase | Saccharomyces cerevisiae |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Ca2+ | C-trehalase is absolutely dependent on Ca2+ or Mn2+. 4fold activation of C-trehalase at 2.5 mM CaCl2 | Saccharomyces cerevisiae | |
K+ | 30% activation by 100 mM KCl, V-trehalase | Saccharomyces cerevisiae | |
Mn2+ | 30% activation by 20-300 mM neutral salts such as KCl, NaNO3 and MnCl2, V-trehalase. C-trehalase is absolutely dependent on Ca2+ or Mn2+. 2fold activation of C-trehalase by MnCl2 | Saccharomyces cerevisiae | |
Na+ | 30% activation by 20-300 mM neutral salts such as KCl, NaNO3 and MnCl2, V-trehalase | Saccharomyces cerevisiae |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
170000 | - |
C-trehalase, gel filtration | Saccharomyces cerevisiae |
215000 | - |
V-trehalase, gel filtration | Saccharomyces cerevisiae |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Saccharomyces cerevisiae | - |
two enzyme activities, C-trehalase and V-trehalase | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
trehalose + H2O | - |
Saccharomyces cerevisiae | D-glucose | - |
? |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
4 | 5 | V-trehalase, at 40 mM trehalose | Saccharomyces cerevisiae |
6.7 | - |
at 40 mM trehalose, C-trehalase | Saccharomyces cerevisiae |