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Literature summary for 3.2.1.49 extracted from

  • Hoskins, L.C.; Boulding, E.T.; Larson G.
    Purification and characterization of blood group A-degrading isoforms of alpha-N-acetylgalactosaminidase from Ruminococcus torques strain IX-70 (1997), J. Biol. Chem., 272, 7932-7939.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Cu2+
-
[Ruminococcus] torques
Hg2+
-
[Ruminococcus] torques

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.2 5.8 p-nitrophenyl-alpha-N-acetylgalactosaminide three isoforms [Ruminococcus] torques

Organism

Organism UniProt Comment Textmining
[Ruminococcus] torques
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining

Storage Stability

Storage Stability Organism
4°C, enzyme separation buffer containing 3 mM sodium azide, 25-31 months [Ruminococcus] torques

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Forssman hapten + H2O
-
[Ruminococcus] torques ?
-
?
p-nitrophenyl-alpha-N-acetylgalactosaminide + H2O
-
[Ruminococcus] torques p-nitrophenol + alpha-N-acetylgalactosamine
-
?

Subunits

Subunits Comment Organism
multimer 160000-200000, SDS-PAGE, three isoforms [Ruminococcus] torques

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
55
-
not stable above [Ruminococcus] torques

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.8 6.8 three isoforms [Ruminococcus] torques

pH Range

pH Minimum pH Maximum Comment Organism
5 9.5
-
[Ruminococcus] torques

pH Stability

pH Stability pH Stability Maximum Comment Organism
4.5 9.5
-
[Ruminococcus] torques