Application | Comment | Organism |
---|---|---|
biotechnology | GOX is the most widely used enzyme for the development of electrochemical glucose biosensors and biofuel cell in physiological conditions | Aspergillus niger |
biotechnology | GOX is the most widely used enzyme for the development of electrochemical glucose biosensors and biofuel cell in physiological conditions | Penicillium amagasakiense |
Cloned (Comment) | Organism |
---|---|
expressed in Pichia pastoris strain GS115 | Aspergillus niger |
expressed in Pichia pastoris strain GS115 | Penicillium amagasakiense |
General Stability | Organism |
---|---|
the enzyme stability is not influenced by physiological concentration of sodium chloride (140 mM) | Aspergillus niger |
the enzyme stability is not influenced by physiological concentration of sodium chloride (140 mM) | Penicillium amagasakiense |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
oxygen | - |
Aspergillus niger | |
oxygen | - |
Penicillium amagasakiense |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0638 | - |
ferrocinium-methanol | recombinant enzyme yGOXpenag, pH 6.0, 50°C | Penicillium amagasakiense | |
0.1107 | - |
ferrocinium-methanol | native enzyme, pH 6.5, 70°C | Aspergillus niger | |
11.7 | - |
beta-D-glucose | recombinant enzyme yGOXpenag, using O2 as cosubstrate, pH 6.0, 50°C | Penicillium amagasakiense | |
18.2 | - |
beta-D-glucose | recombinant enzyme yGOXpenag, using ferrocinium-methanol as cosubstrate, pH 6.0, 50°C | Penicillium amagasakiense | |
50.3 | - |
beta-D-glucose | native enzyme, using O2 as cosubstrate, pH 6.5, 70°C | Aspergillus niger | |
71.2 | - |
beta-D-glucose | native enzyme, using ferrocinium-methanol as cosubstrate, pH 6.5, 70°C | Aspergillus niger |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
72000 | - |
2 * 72000, recombinant enzyme, SDS-PAGE | Penicillium amagasakiense |
77000 | - |
2 * 77000, native enzyme, SDS-PAGE | Aspergillus niger |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Aspergillus niger | - |
- |
- |
Penicillium amagasakiense | - |
- |
- |
Posttranslational Modification | Comment | Organism |
---|---|---|
glycoprotein | - |
Aspergillus niger |
glycoprotein | - |
Penicillium amagasakiense |
Purification (Comment) | Organism |
---|---|
phenyl Sepharose column chromatography and Q Sepharose column chromatography | Penicillium amagasakiense |
phenyl Sepharose column chromatography, Q Sepharose column chromatography, gel filtration | Aspergillus niger |
Storage Stability | Organism |
---|---|
4°C, purified recombinant enzyme in 100 mM sodium phosphate, pH 5.1, several months, no loss of activity | Aspergillus niger |
4°C, purified recombinant enzyme in 100 mM sodium phosphate, pH 5.1, several months, no loss of activity | Penicillium amagasakiense |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
beta-D-glucose + ferrocinium-methanol | - |
Aspergillus niger | ? | - |
? | |
beta-D-glucose + ferrocinium-methanol | - |
Penicillium amagasakiense | ? | - |
? | |
beta-D-glucose + O2 + H2O | - |
Aspergillus niger | D-glucono-1,5-lactone + H2O2 | - |
? | |
beta-D-glucose + O2 + H2O | - |
Penicillium amagasakiense | D-glucono-1,5-lactone + H2O2 | - |
? |
Subunits | Comment | Organism |
---|---|---|
homodimer | 2 * 72000, recombinant enzyme, SDS-PAGE | Penicillium amagasakiense |
homodimer | 2 * 77000, native enzyme, SDS-PAGE | Aspergillus niger |
Synonyms | Comment | Organism |
---|---|---|
beta-D-glucose:oxygen 1-oxidoreductase | - |
Aspergillus niger |
beta-D-glucose:oxygen 1-oxidoreductase | - |
Penicillium amagasakiense |
GOX | - |
Aspergillus niger |
GOX | - |
Penicillium amagasakiense |
yGOXpenag | recombinant enzyme | Penicillium amagasakiense |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
recombinant enzyme | Penicillium amagasakiense |
70 | - |
- |
Aspergillus niger |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
37 | - |
at 37°C and in pH 7.5 buffer, the half life of the native enzyme is 48 h | Aspergillus niger |
37 | - |
at 37°C and in pH 7.5 buffer, the half life of the recombinant enzyme yGOXpenag is 6 h | Penicillium amagasakiense |
50 | - |
at pH 6.0 and at 50°C, the half life of the enzyme is about 20 h, thermal denaturation is observed above 50°C | Penicillium amagasakiense |
50 | 60 | at pH 6.0 and at 50°C, the half life of the enzyme is about 20 h, thermal denaturation is observed above 60°C | Aspergillus niger |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
1695 | - |
beta-D-glucose | recombinant enzyme yGOXpenag, using ferrocinium-methanol as cosubstrate, pH 6.0, 50°C | Penicillium amagasakiense | |
1808 | - |
beta-D-glucose | recombinant enzyme yGOXpenag, using O2 as cosubstrate, pH 6.0, 50°C | Penicillium amagasakiense | |
1890 | - |
beta-D-glucose | native enzyme, using O2 as cosubstrate, pH 6.5, 70°C | Aspergillus niger | |
1938 | - |
beta-D-glucose | native enzyme, using ferrocinium-methanol as cosubstrate, pH 6.5, 70°C | Aspergillus niger |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6 | - |
under O2 and Ar at 37°C, recombinant enzyme yGOXpenag | Penicillium amagasakiense |
6.5 | - |
native enzyme | Aspergillus niger |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
5 | 7.5 | under O2 and Ar at 37°C, recombinant enzyme yGOXpenag | Penicillium amagasakiense |
5.5 | 9 | 80% of the maximal activity is observed in the pH 5.5-9.0 range | Aspergillus niger |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
6 | - |
at pH 6.0 and at 50°C, the half life of the enzyme is about 20 h | Aspergillus niger |
6 | - |
at pH 6.0 and at 50°C, the half life of the enzyme is about 20 h | Penicillium amagasakiense |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
FAD | - |
Aspergillus niger | |
FAD | - |
Penicillium amagasakiense |
kcat/KM Value [1/mMs-1] | kcat/KM Value Maximum [1/mMs-1] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.017 | - |
ferrocinium-methanol | native enzyme, pH 6.5, 70°C | Aspergillus niger | |
0.027 | - |
ferrocinium-methanol | recombinant enzyme yGOXpenag, pH 6.0, 50°C | Penicillium amagasakiense | |
27 | - |
beta-D-glucose | native enzyme, using ferrocinium-methanol as cosubstrate, pH 6.5, 70°C | Aspergillus niger | |
38 | - |
beta-D-glucose | native enzyme, using O2 as cosubstrate, pH 6.5, 70°C | Aspergillus niger | |
93 | - |
beta-D-glucose | recombinant enzyme yGOXpenag, using ferrocinium-methanol as cosubstrate, pH 6.0, 50°C | Penicillium amagasakiense | |
155 | - |
beta-D-glucose | recombinant enzyme yGOXpenag, using O2 as cosubstrate, pH 6.0, 50°C | Penicillium amagasakiense |