EC Number | Cloned (Comment) | Organism |
---|---|---|
2.4.3.2 | expressed in CHO cells and and HEK-293T cells | Homo sapiens |
2.4.3.4 | expressed in CHO cells and and HEK-293T cells | Homo sapiens |
2.4.3.6 | expressed in Chinese hamster ovary (CHO) and human embryonic kidney (HEK293T) cells with a C-terminal human Fc and His-tag | Homo sapiens |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
2.4.3.2 | 0.13 | - |
Galbeta(1->3)GalNAc-OBn | isoform ST3Gal-II, at pH 6.0 and 25°C | Homo sapiens | |
2.4.3.2 | 0.14 | - |
Galbeta(1->3)GalNAc-OBn | isoform ST3Gal-IV, at pH 6.0 and 25°C | Homo sapiens | |
2.4.3.4 | 0.008 | - |
Galbeta(1->3)(GlcNAcbeta(1->6))GalNAc-OBn | isoform ST3Gal-I, at pH 6.0 and 25°C | Homo sapiens | |
2.4.3.4 | 0.05 | - |
Galbeta(1->3)GalNAc-OBn | isoform ST3Gal-I, at pH 6.0 and 25°C | Homo sapiens | |
2.4.3.6 | 0.14 | - |
4-nitrophenyl beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal | pH and temperature not specified in the publication | Homo sapiens | |
2.4.3.6 | 0.83 | - |
4-nitrophenyl beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal | pH and temperature not specified in the publication | Homo sapiens |
EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
2.4.3.2 | CMP-N-acetyl-beta-neuraminate + a beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-R | Homo sapiens | - |
CMP + an N-acetyl-alpha-neuraminyl-(2->3)-beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-R | - |
? | |
2.4.3.4 | CMP-N-acetyl-beta-neuraminate + a beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-R | Homo sapiens | - |
CMP + an N-acetyl-alpha-neuraminyl-(2->3)-beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-R | - |
? |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
2.4.3.2 | Homo sapiens | Q11206 | - |
- |
2.4.3.2 | Homo sapiens | Q16842 | cf. EC 2.4.99.4 | - |
2.4.3.4 | Homo sapiens | Q11201 | - |
- |
2.4.3.6 | Homo sapiens | Q11203 | - |
- |
2.4.3.6 | Homo sapiens | Q11206 | - |
- |
EC Number | Purification (Comment) | Organism |
---|---|---|
2.4.3.2 | HisTrap column chromatography | Homo sapiens |
2.4.3.4 | HisTrap column chromatography | Homo sapiens |
2.4.3.6 | - |
Homo sapiens |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
2.4.3.2 | CMP-N-acetyl-beta-neuraminate + a beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-R | - |
Homo sapiens | CMP + an N-acetyl-alpha-neuraminyl-(2->3)-beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-R | - |
? | |
2.4.3.2 | CMP-N-acetyl-beta-neuraminate + asialofetuin | - |
Homo sapiens | CMP + ? | - |
? | |
2.4.3.2 | CMP-N-acetyl-beta-neuraminate + Galbeta(1->3)(GlcNAcbeta(1->6))GalNAc-OBn | - |
Homo sapiens | CMP + ? | - |
? | |
2.4.3.2 | CMP-N-acetyl-beta-neuraminate + Galbeta(1->3)GalNAc-OBn | - |
Homo sapiens | CMP + Neu5Acalpha(2->3)Galbeta(1->3)GalNAc-OBn | - |
? | |
2.4.3.2 | additional information | MeO-3-Galbeta(1->3)GalNAc-OBn is a poor acceptor for the enzyme | Homo sapiens | ? | - |
- |
|
2.4.3.4 | CMP-N-acetyl-beta-neuraminate + a beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-R | - |
Homo sapiens | CMP + an N-acetyl-alpha-neuraminyl-(2->3)-beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-R | - |
? | |
2.4.3.4 | CMP-N-acetyl-beta-neuraminate + asialofetuin | - |
Homo sapiens | CMP + ? | - |
? | |
2.4.3.4 | CMP-N-acetyl-beta-neuraminate + Galbeta(1->3)(GlcNAcbeta(1->6))GalNAc-OBn | - |
Homo sapiens | CMP + ? | - |
? | |
2.4.3.4 | CMP-N-acetyl-beta-neuraminate + Galbeta(1->3)GalNAc-OBn | - |
Homo sapiens | CMP + Neu5Acalpha(2->3)Galbeta(1->3)GalNAc-OBn | - |
? | |
2.4.3.4 | additional information | MeO-3-Galbeta(1->3)GalNAc-OBn is a poor acceptor for the enzyme | Homo sapiens | ? | - |
- |
|
2.4.3.6 | CMP-N-acetyl-beta-neuraminate + 4-nitrophenyl beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal | conversion at 16.8% compared to activity with benzyl beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->6)-[4-deoxy-4-fluoro-beta-D-Gal-(1->3)]-beta-D-GalNAc | Homo sapiens | CMP + 4-nitrophenyl alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal | - |
? | |
2.4.3.6 | CMP-N-acetyl-beta-neuraminate + 4-nitrophenyl beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal | conversion at 79.5% compared to activity with benzyl beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->6)-[4-deoxy-4-fluoro-beta-D-Gal-(1->3)]-beta-D-GalNAc | Homo sapiens | CMP + 4-nitrophenyl alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal | - |
? | |
2.4.3.6 | CMP-N-acetyl-beta-neuraminate + 4-nitrophenyl beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc | conversion at 15.2% compared to activity with benzyl beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->6)-[4-deoxy-4-fluoro-beta-D-Gal-(1->3)]-beta-D-GalNAc | Homo sapiens | CMP + 4-nitrophenyl alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc | - |
? | |
2.4.3.6 | CMP-N-acetyl-beta-neuraminate + 4-nitrophenyl beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc | conversion at 20.87% compared to activity with benzyl beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->6)-[4-deoxy-4-fluoro-beta-D-Gal-(1->3)]-beta-D-GalNAc | Homo sapiens | CMP + 4-nitrophenyl alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc | - |
? | |
2.4.3.6 | CMP-N-acetyl-beta-neuraminate + benzyl beta-D-(4-O-Me)Gal-(1->4)-beta-D-GlcNAc | conversion at 15.6% compared to activity with benzyl beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->6)-[4-deoxy-4-fluoro-beta-D-Gal-(1->3)]-beta-D-GalNAc | Homo sapiens | CMP + benzyl alpha-Neu5Ac-(2->3)-beta-D-(4-O-Me)Gal-(1->4)-beta-D-GlcNAc | - |
? | |
2.4.3.6 | CMP-N-acetyl-beta-neuraminate + benzyl beta-D-(4-O-Me)Gal-(1->4)-beta-D-GlcNAc | conversion at 66.97% compared to activity with benzyl beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->6)-[4-deoxy-4-fluoro-beta-D-Gal-(1->3)]-beta-D-GalNAc | Homo sapiens | CMP + benzyl alpha-Neu5Ac-(2->3)-beta-D-(4-O-Me)Gal-(1->4)-beta-D-GlcNAc | - |
? | |
2.4.3.6 | CMP-N-acetyl-beta-neuraminate + benzyl beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->6)-[4-deoxy-4-fluoro-beta-D-Gal-(1->3)]-beta-D-GalNAc | - |
Homo sapiens | CMP + benzyl alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->6)-[4-deoxy-4-fluoro-beta-D-Gal-(1->3)]-beta-D-GalNAc | - |
? |
EC Number | Synonyms | Comment | Organism |
---|---|---|---|
2.4.3.2 | alpha(2,3)sialyltransferase | - |
Homo sapiens |
2.4.3.2 | alpha(2,3)sialyltransferases | - |
Homo sapiens |
2.4.3.2 | ST3Gal-II | isoform | Homo sapiens |
2.4.3.2 | ST3Gal-IV | isoform | Homo sapiens |
2.4.3.4 | alpha(2,3)sialyltransferase | - |
Homo sapiens |
2.4.3.4 | ST3Gal-I | isoform | Homo sapiens |
2.4.3.6 | ST3Gal-III | - |
Homo sapiens |
2.4.3.6 | ST3Gal-IV | - |
Homo sapiens |