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Literature summary for 3.2.1.50 extracted from

  • Hultberg, B.; Lindsten, J.; Sjöblad, S.
    Molecular forms and activities of glycosidases in cultures of amniotic-fluid cells (1976), Biochem. J., 155, 599-605.
    View publication on PubMedView publication on EuropePMC

Application

Application Comment Organism
medicine antenatal diagnosis of heritable lysosomal storage diseases Homo sapiens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.12 1.6 phenyl-alpha-N-acetylglucosaminide 1 M citrate buffer, pH 4.5 Homo sapiens

Natural Substrates/ Products (Substrates)

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

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
amnion
-
Homo sapiens
-
amniotic fluid
-
Homo sapiens
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.00012
-
phenyl-N-acetyl-alpha-D-glucosaminide as substrate Homo sapiens

Storage Stability

Storage Stability Organism
-20°C, 0.9% NaCl, cultivated cells centrifuged at 1500 * g, 2 weeks, no loss of activity Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(GlcNAcalpha(1-4))n + H2O
-
Homo sapiens (GlcNAcalpha(1-4))n-1 + 2-(acetylamino)-2-deoxy-beta-D-glucopyranose
-
?
phenyl-N-acetyl-alpha-D-glucosaminide + H2O
-
Homo sapiens phenol + N-acetyl-alpha-D-glucosamine
-
?

Synonyms

Synonyms Comment Organism
2-acetamido-2-deoxy-alpha-D-glucoside acetamidodeoxyglucohydrolase
-
Homo sapiens
N-acetyl-alpha-glucosaminidase
-
Homo sapiens

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4.5
-
phenyl-alpha-N-acetylglucosaminide Homo sapiens