Activating Compound | Comment | Organism | Structure |
---|---|---|---|
F- | activates | Rhizopus microsporus var. oligosporus |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Ca2+ | - |
Rhizopus microsporus var. oligosporus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0104 | - |
myo-inositol hexakisphosphate | pH 5.5 | Rhizopus microsporus var. oligosporus |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Cd2+ | activates | Rhizopus microsporus var. oligosporus | |
Hg2+ | activates | Rhizopus microsporus var. oligosporus | |
Mg2+ | activates | Rhizopus microsporus var. oligosporus | |
Zn2+ | activates | Rhizopus microsporus var. oligosporus |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
120000 | - |
1 * 120000, SDS-PAGE | Rhizopus microsporus var. oligosporus |
124000 | - |
gel filtration | Rhizopus microsporus var. oligosporus |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Rhizopus microsporus var. oligosporus | - |
ATCC 22959. The enzyme may be a 3-phytase (EC 3.1.3.8), or a 4-phytase (synonym 6-phytase, EC 3.1.3.26). The product of the hydrolysis of myo-inositol hexakisphosphate to 1D-myo-inositol 1,2,4,5,6-pentakisphosphate or alternatively 1D-myo-inositol 1,2,3,5,6-pentakisphosphate has not been identified. | - |
Posttranslational Modification | Comment | Organism |
---|---|---|
glycoprotein | contains 30.5% total carbohydrate | Rhizopus microsporus var. oligosporus |
Purification (Comment) | Organism |
---|---|
- |
Rhizopus microsporus var. oligosporus |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
additional information | - |
- |
Rhizopus microsporus var. oligosporus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
1-naphthyl phosphate + H2O | 89.6% of the activity with myo-inositol hexakisphosphate | Rhizopus microsporus var. oligosporus | 1-naphthol + phosphate | - |
? | |
2-naphthyl phosphate + H2O | 97.1% of the activity with myo-inositol hexakisphosphate | Rhizopus microsporus var. oligosporus | 2-naphthol + phosphate | - |
? | |
4-nitrophenyl phosphate + H2O | 59.6% of the activity with myo-inositol hexakisphosphate | Rhizopus microsporus var. oligosporus | 4-nitrophenol + phosphate | - |
? | |
ADP + H2O | 14.2% of the activity with myo-inositol hexakisphosphate | Rhizopus microsporus var. oligosporus | ? | - |
? | |
AMP + H2O | 25.0% of the activity with myo-inositol hexakisphosphate | Rhizopus microsporus var. oligosporus | adenosine + phosphate | - |
? | |
ATP + H2O | 22.3% of the activity with myo-inositol hexakisphosphate | Rhizopus microsporus var. oligosporus | ? | - |
? | |
D-glucose 1-phosphate + H2O | 92.0% of the activity with myo-inositol hexakisphosphate | Rhizopus microsporus var. oligosporus | D-glucose + phosphate | - |
? | |
glycerol 2-phosphate + H2O | 85.6% of the activity with myo-inositol hexakisphosphate | Rhizopus microsporus var. oligosporus | glycerol + phosphate | - |
? | |
myo-inositol hexakisphosphate + H2O | - |
Rhizopus microsporus var. oligosporus | ? + phosphate | - |
? | |
phenyl phosphate + H2O | 89.2% of the activity with myo-inositol hexakisphosphate | Rhizopus microsporus var. oligosporus | phenol + phosphate | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | 1 * 120000, SDS-PAGE | Rhizopus microsporus var. oligosporus |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
65 | - |
- |
Rhizopus microsporus var. oligosporus |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
37 | 75 | 37°C: about 65% of maximal activity, 75°C: about 45% of maximal activity | Rhizopus microsporus var. oligosporus |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
80 | - |
about 25% loss of activity after 1 min, about 50% loss of activity after 2 min, about 65% loss of activity after 3 min | Rhizopus microsporus var. oligosporus |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
51 | - |
myo-inositol hexakisphosphate | pH 5.5 | Rhizopus microsporus var. oligosporus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
5 | - |
- |
Rhizopus microsporus var. oligosporus |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
1.8 | 6 | pH 1.8: about 45% of maximal activity, pH 6.0: about 45% of maximal activity | Rhizopus microsporus var. oligosporus |