Activating Compound | Comment | Organism | Structure |
---|---|---|---|
octyl glucoside | highest activation (1.3-2.2fold) at 0.08% w/v concentration | Homo sapiens | |
sodium deoxycholate | highest activation (1.1-1.8.5fold) at 0.03% w/v concentration | Homo sapiens | |
Triton X-100 | highest activation (1.5-2.5fold) at 0.02% w/v concentration | Homo sapiens |
Cloned (Comment) | Organism |
---|---|
- |
Homo sapiens |
General Stability | Organism |
---|---|
the enzyme is unstable upon freezing at -20°C, 50% loss of activity after one cycle of freezing-thawing | Homo sapiens |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Ca2+ | above 1 mM | Homo sapiens | |
Cu2+ | above 0.01 mM | Homo sapiens | |
K+ | above 1 mM | Homo sapiens | |
Na+ | above 1 mM | Homo sapiens |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.14 | - |
ganglioside GD1a | 37°C, pH 5.6 or 7.0 activated by 0.02% Triton X-100 | Homo sapiens | |
0.24 | - |
ganglioside GM3 | 37°C, pH 5.6 or 7.0, activated by 0.02% Triton X-100 | Homo sapiens | |
0.28 | - |
alpha(2-3)sialylparagloboside | 37°C, pH 5.6 or 7.0 | Homo sapiens | |
0.31 | - |
alpha(2-3)sialyllactose | 37°C, pH 5.6 or 7.0 | Homo sapiens | |
0.38 | - |
ganglioside GT1b | 37°C, pH 5.6 or 7.0 activated by 0.02% Triton X-100 | Homo sapiens | |
0.4 | - |
ganglioside GM3 | 37°C, pH 5.6 or 7.0, without Triton X-100 | Homo sapiens | |
0.43 | - |
alpha(2-3)sialylparagloboside | 37°C, pH 5.6 or 7.0 | Homo sapiens | |
0.44 | - |
4-methylumbelliferyl alpha-NeuAc | 37°C, pH 5.6 or 7.0 | Homo sapiens | |
0.51 | - |
ganglioside GD1b | 37°C, pH 5.6 or 7.0 activated by 0.02% Triton X-100 | Homo sapiens | |
0.59 | - |
ganglioside GD1b | 37°C, pH 5.6 or 7.0, without Triton X-100 | Homo sapiens | |
0.62 | - |
ganglioside GT1b | 37°C, pH 5.6 or 7.0, without Triton X-100 | Homo sapiens | |
0.91 | - |
ganglioside GD1a | 37°C, pH 5.6 or 7.0, without Triton X-100 | Homo sapiens |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
cytosol | - |
Homo sapiens | 5829 | - |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
K+ | slight activation up to 0.01 mM | Homo sapiens | |
Na+ | slight activation up to 0.01 mM | Homo sapiens |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Homo sapiens | - |
- |
- |
Purification (Comment) | Organism |
---|---|
recombinant | Homo sapiens |
Storage Stability | Organism |
---|---|
-80°C, stable for 1 year | Homo sapiens |
4°C, 50% loss of activity after 24 h | Homo sapiens |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
4-methylumbelliferyl alpha-NeuAc + H2O | - |
Homo sapiens | 4-methylumbelliferone + alpha-neuAc | - |
? | |
alpha(2-3)sialyllactose + H2O | - |
Homo sapiens | sialic acid + lactose | - |
? | |
alpha(2-3)sialylparagloboside + H2O | - |
Homo sapiens | ? | - |
? | |
alpha-acid glycoprotein + H2O | - |
Homo sapiens | ? | - |
? | |
bovine gland submaxillary gland mucin + H2O | - |
Homo sapiens | ? | - |
? | |
fetuin + H2O | - |
Homo sapiens | ? | - |
? | |
ganglioside GD1a + H2O | - |
Homo sapiens | ? | - |
? | |
ganglioside GD1b + H2O | - |
Homo sapiens | ? | - |
? | |
ganglioside GM3 + H2O | - |
Homo sapiens | ? | - |
? | |
ganglioside GT1b + H2O | - |
Homo sapiens | ? | - |
? | |
transferrin + H2O | - |
Homo sapiens | ? | - |
? | |
vesicular GM3 + H2O | - |
Homo sapiens | ? | - |
? |
Synonyms | Comment | Organism |
---|---|---|
HsNEU2 | - |
Homo sapiens |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
4 | - |
24 h, 50% loss of activity | Homo sapiens |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
5.6 | - |
- |
Homo sapiens |