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Literature summary for 3.2.1.97 extracted from

  • Umemoto, J.; Matta, K.L.; Barlow, J.J.; Bhavanandan, V.P.
    Action of endo-alpha-N-acetyl-D-galactosaminidase on synthetic glycosides including chromogenic substrates (1978), Anal. Biochem., 91, 186-193.
    View publication on PubMed
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Inhibitors

Inhibitors Comment Organism Structure
L-Cys 2 mM, 12% inhibition Streptococcus pneumoniae
p-Nitrophenyl-2-acetamido-2-deoxy-3-O-beta-D-galactopyranosyl-beta-D-galactopyranoside
-
 Streptococcus pneumoniae

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.23
-
 Galbeta(1-3)GalNAcalpha(1-)OC6H4-o-NO2
-
 Streptococcus pneumoniae
0.25
-
 Galbeta(1-3)GalNAcalpha(1-)OC6H4-p-NO2
-
 Streptococcus pneumoniae

Organism

Organism UniProt Comment Textmining
Streptococcus pneumoniae
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
culture medium
-
 Streptococcus pneumoniae
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Galbeta(1-3)GalNAcalpha(1-)OC6H4-o-NO2 + H2O
-
 Streptococcus pneumoniae Galbeta(1-3)GalNAc + o-nitrophenol
-
 ?
Galbeta(1-3)GalNAcalpha(1-)OC6H4-p-NO2 + H2O
-
 Streptococcus pneumoniae Galbeta(1-3)GalNAc + p-nitrophenol
-
 ?
Galbeta(1-3)GalNAcalpha(1-)OC6H5 + H2O
-
 Streptococcus pneumoniae Galbeta(1-3)GalNAc + phenol
-
 ?
additional information no activity when the aglycone is methanol Streptococcus pneumoniae ?
-
 ?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.5 7
-
 Streptococcus pneumoniae