EC Number | Activating Compound | Comment | Organism | Structure |
---|---|---|---|---|
1.14.18.2 | ascorbate | activates | Asterias rubens | |
1.14.18.2 | dithiothreitol | activates | Asterias rubens | |
1.14.18.2 | glutathione | activates | Asterias rubens | |
1.14.18.2 | additional information | no activation by non-ionic detergents | Asterias rubens |
EC Number | Inhibitors | Comment | Organism | Structure |
---|---|---|---|---|
1.14.18.2 | 1,10-phenanthroline | - |
Asterias rubens | |
1.14.18.2 | azide | - |
Asterias rubens | |
1.14.18.2 | Ca2+ | 0.5 mM, 12% inhibition | Asterias rubens | |
1.14.18.2 | CHAPS | 15 mM, complete inhibition | Asterias rubens | |
1.14.18.2 | cholic acid | 10 mM, 89% inhibition | Asterias rubens | |
1.14.18.2 | decylglucopyranoside | 5 mM, 22% inhibition | Asterias rubens | |
1.14.18.2 | ferrozine | - |
Asterias rubens | |
1.14.18.2 | Hg2+ | slight inhibition | Asterias rubens | |
1.14.18.2 | KCN | - |
Asterias rubens | |
1.14.18.2 | Mn2+ | 0.5 mM, slight inhibition | Asterias rubens | |
1.14.18.2 | additional information | not inhibited by increased ionic strength, no inhibition by 1 M NaCl | Asterias rubens | |
1.14.18.2 | octylglucopyranoside | 30 mM, 48% inhibition | Asterias rubens | |
1.14.18.2 | Tiron | - |
Asterias rubens | |
1.14.18.2 | Zwittergent 3-12 | 5 mM, 40% inhibition | Asterias rubens |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
1.14.18.2 | 0.018 | - |
CMP-N-acetylneuraminate | 25°C | Asterias rubens |
EC Number | Metals/Ions | Comment | Organism | Structure |
---|---|---|---|---|
1.14.18.2 | Iron | the enzyme contains a non-haem iron cofactor | Asterias rubens |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
1.14.18.2 | Asterias rubens | - |
- |
- |
EC Number | Source Tissue | Comment | Organism | Textmining |
---|---|---|---|---|
1.14.18.2 | alimentary canal | - |
Asterias rubens | - |
1.14.18.2 | body wall | - |
Asterias rubens | - |
1.14.18.2 | gonad | - |
Asterias rubens | - |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
1.14.18.2 | CMP-N-acetylneuraminate + NADH + O2 | - |
Asterias rubens | CMP-N-glycoloylneuraminate + NAD+ + H2O | - |
? |
EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|---|
1.14.18.2 | 25 | 33 | - |
Asterias rubens |
EC Number | Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|---|
1.14.18.2 | 15 | 43 | 15°C: about 55% of maximal activity, 43°C: about 30% of maximal activity | Asterias rubens |
EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|---|
1.14.18.2 | 6 | 6.4 | - |
Asterias rubens |
EC Number | pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|---|
1.14.18.2 | 5.6 | 6.8 | about 60% of maximal activity at pH 5.6 and pH 6.8 | Asterias rubens |
EC Number | Cofactor | Comment | Organism | Structure |
---|---|---|---|---|
1.14.18.2 | NADH | most effective cofactor, optimal activity at 0.4 mM NADH, higher concentrations are slightly inhibitory | Asterias rubens |