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Literature summary for 3.2.1.18 extracted from

  • Miyagi, T.; Tsuiki, S.
    Purification and characterization of cytosolic sialidase from rat liver (1986), J. Biol. Chem., 260, 6710-6716.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.67
-
4-methylumbelliferyl-alpha-D-N-acetylneuraminic acid
-
Rattus norvegicus
1.47
-
colominic acid
-
Rattus norvegicus
1.67
-
sialyl-alpha-2,3-lactose
-
Rattus norvegicus
1.74
-
orosomucoid
-
Rattus norvegicus
1.75
-
GD1a
-
Rattus norvegicus
1.79
-
transferrin
-
Rattus norvegicus
1.91
-
sialyl-alpha-2,6-lactose
-
Rattus norvegicus
2.1
-
fetuin
-
Rattus norvegicus

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Rattus norvegicus 5829
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
43000
-
sucrose density gradient centrifugation Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
308
-
-
Rattus norvegicus

Storage Stability

Storage Stability Organism
-80°C, one month Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
colominic acid + H2O
-
Rattus norvegicus ?
-
?
fetuin + H2O
-
Rattus norvegicus ?
-
?
ganglioside GD1a + H2O
-
Rattus norvegicus ?
-
?
ganglioside GD1b + H2O
-
Rattus norvegicus ?
-
?
orosomucoid + H2O
-
Rattus norvegicus ?
-
?
sialyl-alpha-2,3-lactose + H2O
-
Rattus norvegicus ?
-
?
sialyl-alpha-2,6-lactose + H2O
-
Rattus norvegicus ?
-
?
transferrin + H2O
-
Rattus norvegicus ?
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
orosomucoid as substrate Rattus norvegicus
6.5
-
sialyllactose as substrate Rattus norvegicus