beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminide alpha-2,3-sialyltransferase EC#: 2.4.99.2; ChemWhat Code: 1377826
| Product Name | beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminide alpha-2,3-sialyltransferase |
| Example Structure | ![Example Structure of beta-D-galactosyl-(1-></noscript>3)-N-acetyl-beta-D-galactosaminide alpha-2,3-sialyltransferase EC#: 2.4.99.2″ /></td>
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<td>Synonyms</td>
<td>alpha(2,3)-sialyltransferase IV, alpha2,3(N) sialyltransferase, alpha2,3(N)ST, alpha2,3(O) sialyltransferase, alpha2,3(O)ST, CMP-N-acetylneuraminate:D-galactosyl-N-acetyl-D-galactosaminyl-(N-acetylneuraminyl)-D-galactosyl-D-glucosyl-(1<->1)-ceramide N-acetylneuraminyltransferase, CMP-N-acetylneuraminate:monosialoganglioside alpha2->3 sialyltransferase, CMP-NANA:GM1 sialyltransferase, CMP-NeuAc:GM1 (Galbeta1,4GalNAc) alpha2-3 sialyltransferase, CMP-NeuAc:GM1 alpha2-3 sialyltransferase, CMP-NeuAc:GM1alpha2-3-sialyltransferase, GD1a synthase, GD1a-synthase, GD1b-SAT, hST3Gal II, monosialoganglioside sialyltransferase, monosialylganglioside-2,3-sialyltransferase, SAT IV, SAT-4, sialyltransferase IV, sialyltransferase, cytidine monophosphoacetylneuraminate-monosialoganglioside, ST-IV, ST3 beta-galactoside alpha-2,3-sialyltransferase 4, ST3Gal I, ST3GAL I/II, ST3Gal II, ST3Gal III, ST3Gal IV, ST3Gal VI, ST3Gal-I, ST3GAL1, ST3GAL2, ST3Gal5, ST3GalA.1, ST3GalA.2, ST3GalIV</td>
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<td>EC Number</td>
<td>2.4.99.2</td>
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<td>CAS Registry Number</td>
<td>60202-12-2</td>
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<td>Comments</td>
<td>The enzyme recognizes the sequence ¦Â-D-galactosyl-(1¡ú3)-N-acetyl-D-galactosaminyl (known as type 1 histo-blood group precursor disaccharide) in non-reducing termini of glycan moieties in glycoproteins and glycolipids [1]. When acting on gangloside GM1a, it forms gangloside GD1a [2].</td>
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<td>Cofactor</td>
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<td>History</td>
<td></td>
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<td>Reactions</td>
<td>CMP-N-acetyl-beta-neuraminate + a beta-D-galactosyl-(1->3)-N-acetyl-beta- D-galactosaminyl-R = Cmp + an N-acetyl-alpha-neuraminyl-(2->3)-beta-D- galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-R.</td>
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