Inhibitors | Comment | Organism | Structure |
---|---|---|---|
DL-threo-phenyl-2-hexadecanoylamino-3-pyrrolidino-1-propanol | inhibitor of ganglioside synthesis, depletion of GM3 synthesis in cultured monocyte-derived macrophages, delays acquisition of CD206 antigen, prevents loss of CD163 antigen and enhances anti-inflammatory cytokine (CCL18) secretion | Homo sapiens |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.101 | - |
lactosylceramide | - |
Homo sapiens | |
0.18 | - |
CMP-N-acetylneuraminate | - |
Homo sapiens |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Homo sapiens | - |
- |
- |
Purification (Comment) | Organism |
---|---|
by immunoaffinity chromatography, to apparent homogeneity, 3600fold, with a yield of 19% | Homo sapiens |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
aorta | atherosclerotic and normal aorta | Homo sapiens | - |
macrophage | differentiated monocyte-derived macrophages | Homo sapiens | - |
monocyte | - |
Homo sapiens | - |
peripheral blood mononuclear cell | - |
Homo sapiens | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.000000167 | - |
homogenate | Homo sapiens |
0.0006048 | - |
3600fold purified enzyme | Homo sapiens |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
CMP-N-acetylneuraminate + asialoGM1 | 27.7% relative activity to lactosylceramide | Homo sapiens | ? | - |
? | |
CMP-N-acetylneuraminate + galactosylceramide | 30% relative activity to lactosylceramide | Homo sapiens | ? | - |
? | |
CMP-N-acetylneuraminate + GM3 | 4.5% relative activity to lactosylceramide | Homo sapiens | ? | - |
? | |
CMP-N-acetylneuraminate + lactosylceramide | 100% relative activity | Homo sapiens | ? | - |
? | |
additional information | no acitvity with GM1 or asialofetuin as acceptor | Homo sapiens | ? | - |
? |
Synonyms | Comment | Organism |
---|---|---|
CMP-N-acetylneuraminic acid:lactosylceramide alpha2,3-sialyltransferase | - |
Homo sapiens |
GM3 synthase | - |
Homo sapiens |
ST3Gal V | - |
Homo sapiens |
Organism | Comment | Expression |
---|---|---|
Homo sapiens | GM3 synthase mRNA levels are significantly higher in differentiated monocyte-derived macrophages compared to monocytes and in atherosclerotic aorta compared to normal aorta | up |