Activating Compound | Comment | Organism | Structure |
---|---|---|---|
Triton X-100 | increase of enzyme activity | Bos taurus |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
2-mercaptoethanol | - |
Bos taurus | |
CMP | 40% inhibition at low CMP-N-acylneuraminate substrate concentrations | Bos taurus | |
cytidine | 40% inhibition at low CMP-N-acylneuraminate substrate concentrations | Bos taurus | |
EDTA | total loss of activity at 1 mM | Bos taurus | |
Mn2+ | slight inhibition at lower concentrations | Bos taurus | |
UDP-N-acetylglucosamine | - |
Bos taurus | |
UDPgalactose | - |
Bos taurus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.47 | - |
CMP-N-acylneuraminate | - |
Bos taurus |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
microsome | - |
Bos taurus | - |
- |
plasma membrane | activity in subfractions | Bos taurus | 5886 | - |
plasma membrane | of kidney | Bos taurus | 5886 | - |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Ca2+ | stimulation | Bos taurus | |
divalent cations | required, monovalent metal ions without or little stimulatory effect | Bos taurus | |
Mg2+ | stimulation | Bos taurus |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
CMP-N-acylneuraminate + H2O | Bos taurus | - |
? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Bos taurus | - |
calf | - |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
kidney | cortex | Bos taurus | - |
kidney | medulla | Bos taurus | - |
kidney | papilla | Bos taurus | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
additional information | - |
- |
Bos taurus |
Storage Stability | Organism |
---|---|
-20°C, for at least 5 months, no loss of activity | Bos taurus |
0-4°C, for at several days, no loss of activity | Bos taurus |
repeated freezing and thawing, no influence of enzyme activity | Bos taurus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
CMP-N-acylneuraminate + H2O | - |
Bos taurus | CMP + N-acylneuraminate | - |
? | |
CMP-N-acylneuraminate + H2O | - |
Bos taurus | ? | - |
? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
45 | - |
- |
Bos taurus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8.8 | 9 | - |
Bos taurus |