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Literature summary extracted from

  • Tanaka, H.; Ito, F.; Iwasaki, T.
    Purification and characterization of sialidase from Bacteroides fragilis SBT3182 (1992), Biochem. Biophys. Res. Commun., 189, 524-529.
    View publication on PubMed

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.18 55000
-
 3 * 55000, SDS-PAGE Bacteroides fragilis
3.2.1.18 165000
-
 gel filtration Bacteroides fragilis

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.18 Bacteroides fragilis
-
 SBT3182
-
3.2.1.18 Bacteroides fragilis SBT3182
-
 SBT3182
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.18 62.7
-
-
 Bacteroides fragilis

Storage Stability

EC Number Storage Stability Organism
3.2.1.18 -20°C, 1 week, 20% of initial activity remains, no loss in activity after 3 weeks when 5% albumin is added Bacteroides fragilis
3.2.1.18 -80°C, 3 weeks, 60% of initial activity remains Bacteroides fragilis

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.18 colominic acid + H2O
-
 Bacteroides fragilis ?
-
 ?
3.2.1.18 colominic acid + H2O
-
 Bacteroides fragilis SBT3182 ?
-
 ?

Subunits

EC Number Subunits Comment Organism
3.2.1.18 trimer 3 * 55000, SDS-PAGE Bacteroides fragilis

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.18 6.1
-
-
 Bacteroides fragilis

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.2.1.18 5 9
-
 Bacteroides fragilis