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Literature summary for 3.2.1.50 extracted from

  • Weissmann, B.; Rowin, G.; Marshall, J.; Friederici, D.
    Mammalian alpha-acetylglucosaminidase. Enzymic properties, tissue distribution, and intracellular localization (1967), Biochemistry, 6, 207-214.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
N-acetylglucosamine competitive inhibition Sus scrofa
N-acetylglucosaminolactone competitive inhibition Sus scrofa
N-acetylmannosamine competitive inhibition Sus scrofa

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.08
-
o-nitrophenyl-alpha-N-acetylglucosaminide 0.08 partially purified enzyme Sus scrofa
0.3
-
p-nitrophenyl-alpha-N-acetylglucosaminide partially purified enzyme Sus scrofa
1.4
-
phenyl-alpha-N-acetylglucosaminide partially purified enzyme Sus scrofa

Localization

Localization Comment Organism GeneOntology No. Textmining
lysosome
-
Sus scrofa 5764
-

Metals/Ions

Metals/Ions Comment Organism Structure
Cu2+ 82% inhibition by 1 mM CuSO4 Sus scrofa
Fe3+ 76% inhibition by 1 mM ferric chloride Sus scrofa

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
(GlcNAcalpha(1-4))n + H2O Sus scrofa
-
(GlcNAcalpha(1-4))n-1 + 2-(acetylamino)-2-deoxy-beta-D-glucopyranose
-
?

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-
Sus scrofa
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partial Sus scrofa

Source Tissue

Source Tissue Comment Organism Textmining
adrenal gland
-
Rattus norvegicus
-
brain
-
Rattus norvegicus
-
duodenum
-
Rattus norvegicus
-
epididymis
-
Rattus norvegicus
-
heart
-
Rattus norvegicus
-
jejunum
-
Rattus norvegicus
-
kidney
-
Rattus norvegicus
-
liver
-
Rattus norvegicus
-
liver
-
Sus scrofa
-
lung
-
Rattus norvegicus
-
pancreas
-
Rattus norvegicus
-
skeletal muscle
-
Rattus norvegicus
-
skin
-
Rattus norvegicus
-
spleen
-
Rattus norvegicus
-
testis
-
Rattus norvegicus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.027
-
partially purified enzyme Sus scrofa

Storage Stability

Storage Stability Organism
4°C, pH 6, crude enzyme, several months, no loss of activity Sus scrofa

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(GlcNAcalpha(1-4))n + H2O
-
Sus scrofa (GlcNAcalpha(1-4))n-1 + 2-(acetylamino)-2-deoxy-beta-D-glucopyranose
-
?
o-nitrophenyl-N-acetyl-alpha-D-glucosaminide + H2O
-
Sus scrofa o-nitrophenol + N-acetyl-alpha-D-glucosamine
-
?
p-nitrophenyl-N-acetyl-alpha-D-glucosaminide + H2O
-
Sus scrofa p-nitrophenol + N-acetyl-alpha-D-glucosamine
-
?
phenyl-N-acetyl-alpha-D-glucosaminide + H2O
-
Sus scrofa phenol + N-acetyl-alpha-D-glucosamine
-
?

Synonyms

Synonyms Comment Organism
2-acetamido-2-deoxy-alpha-D-glucoside acetamidodeoxyglucohydrolase
-
Sus scrofa
alpha-acetylglucosaminidase
-
Sus scrofa

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4.6
-
phenyl-alpha-N-acetylglucosaminide Sus scrofa
4.7
-
p-nitrophenyl-alpha-N-acetylglucosaminide Sus scrofa

pH Stability

pH Stability pH Stability Maximum Comment Organism
5
-
not stable below 4°C Sus scrofa