General Stability | Organism |
---|---|
glycerol, 10%, stabilizes | Saccharomyces cerevisiae |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
dithioerythritol | - |
Saccharomyces cerevisiae | |
iodoacetate | - |
Saccharomyces cerevisiae | |
N-ethylmaleimide | - |
Saccharomyces cerevisiae | |
p-hydroxymercuribenzoate | - |
Saccharomyces cerevisiae |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.06 | - |
P1,P4-bis(5'-adenosyl) tetraphosphate | pH 8.2, 37°C | Saccharomyces cerevisiae | |
1 | - |
phosphate | pH 8.2, 37°C | Saccharomyces cerevisiae | |
3 | - |
arsenate | pH 8.2, 37°C | Saccharomyces cerevisiae |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Ca2+ | less effective than Mg2+ | Saccharomyces cerevisiae | |
Ca2+ | requirement, less effective than Mn2+ | Saccharomyces cerevisiae | |
Cd2+ | slight activation | Saccharomyces cerevisiae | |
Co2+ | activation, less effective than Mn2+ or Ca2+ or Mg2+ | Saccharomyces cerevisiae | |
divalent metal cations | requirement | Saccharomyces cerevisiae | |
Mg2+ | required | Saccharomyces cerevisiae | |
Mn2+ | required | Saccharomyces cerevisiae | |
additional information | no activation by Ni2+ | Saccharomyces cerevisiae | |
Zn2+ | no effect | Saccharomyces cerevisiae |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
40000 | - |
gel filtration | Saccharomyces cerevisiae |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Saccharomyces cerevisiae | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Saccharomyces cerevisiae |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
55 | - |
purified enzyme | Saccharomyces cerevisiae |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
additional information | no substrates are 3'-adenosyltetraphosphate, poly(A), 3',5'-cAMP, NADP+, P1-bis(5'-adenosyl) monophosphate Ap2A, thymidine 5'-monophosphate-p-nitrophenylester | Saccharomyces cerevisiae | ? | - |
? | |
additional information | no activity with sulfate | Saccharomyces cerevisiae | ? | - |
? | |
additional information | no substrates are ADP, ATP, NAD+ | Saccharomyces cerevisiae | ? | - |
? | |
P1,P3-bis(5'-adenosyl) triphosphate + phosphate | no activity with | Saccharomyces cerevisiae | ADP | - |
? | |
P1,P4-bis(5'-adenosyl) tetraphosphate + arsenate | arsenolysis, at about 80% the rate of phosphorolysis | Saccharomyces cerevisiae | ? | - |
? | |
P1,P4-bis(5'-adenosyl) tetraphosphate + phosphate | - |
Saccharomyces cerevisiae | ADP + ATP | - |
? | |
P1,P4-bis(5'-guanosyl) tetraphosphate + phosphate | arsenate can replace phosphate | Saccharomyces cerevisiae | GDP + GTP | - |
? | |
P1,P4-bis(5'-guanosyl) tetraphosphate + phosphate | i.e. GP4G | Saccharomyces cerevisiae | GDP + GTP | - |
? | |
P1,P5-bis(5'-adenosyl) pentaphosphate + phosphate | arsenate can replace phosphate | Saccharomyces cerevisiae | ADP + p4A | - |
? | |
P1,P5-bis(5'-adenosyl) pentaphosphate + phosphate | i.e. AP5A | Saccharomyces cerevisiae | ADP + p4A | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | 1 * 40000, SDS-PAGE | Saccharomyces cerevisiae |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
37 | - |
assay at | Saccharomyces cerevisiae |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8 | - |
P1,P4-bis(5'-adenosyl) tetraphosphate-phosphorolysis | Saccharomyces cerevisiae |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
6.5 | 9 | about half-maximal activity at pH 6.5 and pH 9.0, P1,P4-bis(5'-adenosyl) tetraphosphate-phosphorolysis | Saccharomyces cerevisiae |