EC Number | Application | Comment | Organism |
---|---|---|---|
4.1.3.3 | analysis | enzymatic determination of sialic acid | Escherichia coli |
EC Number | Inhibitors | Comment | Organism | Structure |
---|---|---|---|---|
4.1.3.3 | Ag+ | 0% residual activity at 0.1 mM, 6% residual activity at 0.01 mM | Escherichia coli | |
4.1.3.3 | Cu2+ | 37% residual activity at 1 mM, 89% residual activity at 0.1 mM | Escherichia coli | |
4.1.3.3 | Hg2+ | 0% residual activity at 0.1 mM, 22% residual activity at 0.01 mM | Escherichia coli | |
4.1.3.3 | hydrogen peroxide | 0% residual activity at 10 mM, 16% residual activity at 1 mM | Escherichia coli | |
4.1.3.3 | Iodine | 0% residual activity at 0.01 mM, 45% residual activity at 0.001 mM | Escherichia coli | |
4.1.3.3 | N-bromosuccinimide | 0% residual activity at 0.01 mM, 36% residual activity at 0.001 mM | Escherichia coli | |
4.1.3.3 | p-chloromercuribenzoate | 0% residual activity at 0.1 mM, 9% residual activity at 0.01 mM | Escherichia coli | |
4.1.3.3 | pyruvate | elimination | Escherichia coli |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
4.1.3.3 | 3.6 | - |
N-acetylneuraminic acid | - |
Escherichia coli | |
4.1.3.3 | 4.3 | - |
N-glycolylneuraminic acid | - |
Escherichia coli |
EC Number | Metals/Ions | Comment | Organism | Structure |
---|---|---|---|---|
4.1.3.3 | additional information | no requirement | Escherichia coli |
EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|---|
4.1.3.3 | 33000 | - |
3 * 33000, SDS-PAGE | Escherichia coli |
4.1.3.3 | 98000 | - |
gel filtration | Escherichia coli |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
4.1.3.3 | Escherichia coli | - |
- |
- |
EC Number | Oxidation Stability | Organism |
---|---|---|
4.1.3.3 | sensitive to N-bromosuccinimide, H2O2 and iodine | Escherichia coli |
EC Number | Purification (Comment) | Organism |
---|---|---|
4.1.3.3 | - |
Escherichia coli |
EC Number | Source Tissue | Comment | Organism | Textmining |
---|
EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|---|
4.1.3.3 | additional information | - |
- |
Escherichia coli |
4.1.3.3 | 56.8 | - |
N-acetylneuraminic acid | Escherichia coli |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
4.1.3.3 | additional information | condensation: N-acetylglucosamine, N-acetylgalactosamine, glucosamine and galactosamine cannot replace N-acetylmannosamine. Phosphoenolpyruvate, lactate, beta-hydroxypyruvate and other pyruvate derivatives cannot replace pyruvate | Escherichia coli | ? | - |
? | |
4.1.3.3 | N-Acetyl-D-mannosamine + pyruvate | - |
Escherichia coli | N-Acetylneuraminic acid | - |
r | |
4.1.3.3 | N-Acetylneuraminic acid | - |
Escherichia coli | N-Acetyl-D-mannosamine + pyruvate | - |
r | |
4.1.3.3 | N-Glycolylneuraminic acid | - |
Escherichia coli | ? | - |
? |
EC Number | Subunits | Comment | Organism |
---|---|---|---|
4.1.3.3 | trimer | 3 * 33000, SDS-PAGE | Escherichia coli |
EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|---|
4.1.3.3 | 75 | - |
- |
Escherichia coli |
EC Number | Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|---|
4.1.3.3 | 20 | 75 | - |
Escherichia coli |
EC Number | Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|---|
4.1.3.3 | additional information | - |
pyruvate protects against heat inactivation | Escherichia coli |
4.1.3.3 | 60 | - |
stable up to | Escherichia coli |
4.1.3.3 | 80 | - |
77% loss of activity after 10 min, in presence of 5 mM pyruvate 8% loss of activity after 10 min | Escherichia coli |
EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|---|
4.1.3.3 | 7.7 | - |
elimination and condensation | Escherichia coli |
EC Number | pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|---|
4.1.3.3 | 5 | 9 | - |
Escherichia coli |
EC Number | pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|---|
4.1.3.3 | 6 | 9 | at 37°C stable for 24 h | Escherichia coli |