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Literature summary extracted from

  • Trinchera, M.; Pirovano, B.; Ghidoni, R.
    Sub-Golgi distribution in rat liver of CMP-NeuAc GM3- and CMP-NeuAc:GT1b alpha 2->8sialyltransferases and comparison with the distribution of the other glycosyltransferase activities involved in ganglioside biosynthesis (1990), J. Biol. Chem., 265, 18242-18247.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.4.3.8 Triton CF-54
-
Rattus norvegicus

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.4.3.8 Cu2+
-
Rattus norvegicus
2.4.3.8 EDTA not Rattus norvegicus
2.4.3.8 Fe2+
-
Rattus norvegicus
2.4.3.8 Mn2+
-
Rattus norvegicus

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.4.3.2 0.000196
-
ganglioside GD1b
-
Rattus norvegicus
2.4.3.2 0.000538
-
ganglioside GM1a
-
Rattus norvegicus

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
2.4.3.2 Golgi apparatus distribution Rattus norvegicus 5794
-
2.4.3.9 Golgi apparatus distribution Rattus norvegicus 5794
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
2.4.3.8 Mg2+ slight activation Rattus norvegicus
2.4.3.8 additional information
-
Rattus norvegicus

Organism

EC Number Organism UniProt Comment Textmining
2.4.3.2 Rattus norvegicus
-
-
-
2.4.3.8 Rattus norvegicus
-
-
-
2.4.3.9 Rattus norvegicus
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.4.3.2 liver
-
Rattus norvegicus
-
2.4.3.8 liver
-
Rattus norvegicus
-
2.4.3.9 liver
-
Rattus norvegicus
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.4.3.2 CMP-N-acetyl-beta-neuraminate + ganglioside GD1b
-
Rattus norvegicus CMP + ganglioside GT1b
-
?
2.4.3.2 CMP-N-acetyl-beta-neuraminate + ganglioside GM1a
-
Rattus norvegicus CMP + ganglioside GD1a i.e. ganglioside GD1a ?
2.4.3.8 CMP-N-acetylneuraminate + N-alpha-acetylneuraminyl-2,3-beta-D-galactosyl-1,4-beta-D-glucosylceramide
-
Rattus norvegicus CMP + alpha-N-acetylneuraminyl-2,8-alpha-N-acetylneuraminyl-2,3-beta-D-galactosyl-1,4-beta-D-glucosylceramide i.e. disialosyllactosylceramide or ganglioside GD3 ?
2.4.3.8 CMP-N-acetylneuraminate + trisialoganglioside GT1b
-
Rattus norvegicus CMP + ganglioside GQ1b
-
?
2.4.3.9 CMP-N-acetylneuraminate + beta-D-galactosyl-1,4-beta-D-glucosylceramide
-
Rattus norvegicus CMP + N-acetylneuraminyl-2,3-beta-D-galactosyl-1,4-beta-D-glucosylceramide i.e. ganglioside GM3 ?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.4.3.8 6.5
-
GM3 or GT1b as substrate Rattus norvegicus