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Literature summary extracted from

  • Woollen, J.W.; Heymorth, R.; Walker, P.G.
    Studies on glucosaminidases. 3. Testicular N-acetyl-beta-D-glucosaminidase and N-acetyl-beta-D-galactosaminidase (1961), Biochem. J., 78, 111-116.
    View publication on PubMedView publication on EuropePMC

Activating Compound

EC Number Activating Compound Comment Organism Structure
3.2.1.52 bovine serum albumin prevents loss of activity caused by dilution Ovis aries
3.2.1.52 Triton X-100 prevents loss of activity caused by dilution Ovis aries

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.52 2-acetamido-2-deoxy-D-galactonolactone
-
Ovis aries
3.2.1.52 N-acetyl-beta-D-glucosaminolactone
-
Ovis aries
3.2.1.52 N-acetyl-D-galactosamine
-
Ovis aries
3.2.1.52 N-acetyl-D-glucosamine
-
Ovis aries
3.2.1.52 phenyl N-acetylgalactosaminide
-
Ovis aries
3.2.1.52 phenyl N-acetylglucosaminide
-
Ovis aries

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.52 0.28
-
p-nitrophenyl-beta-2-acetamido-2-deoxy-D-galactopyranoside
-
Ovis aries
3.2.1.52 1
-
phenyl-N-acetyl-beta-D-glucosaminide
-
Ovis aries
3.2.1.52 1
-
phenyl-N-acetyl-beta-D-galactosaminide
-
Ovis aries
3.2.1.52 1.18
-
p-nitrophenyl-beta-2-acetamido-2-deoxy-D-glucopyranoside
-
Ovis aries

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.52 N-acetyl-beta-D-hexosaminides + H2O Ovis aries
-
N-acetyl-D-hexosamines
-
?

Organic Solvent Stability

EC Number Organic Solvent Comment Organism
3.2.1.52 Triton X-100 prevents loss of activity caused by dilution Ovis aries

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.52 Ovis aries
-
male
-

Reaction

EC Number Reaction Comment Organism Reaction ID
3.2.1.52 (N-acetyl-D-glucosamine)4 + 3 H2O = 4 2-(acetylamino)-2-deoxy-beta-D-glucopyranose same active site for N-glucosaminidase and N-galactosaminidase activities Ovis aries

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.52 testis
-
Ovis aries
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.52 N-acetyl-beta-D-hexosaminides + H2O
-
Ovis aries N-acetyl-D-hexosamines
-
?
3.2.1.52 p-nitrophenyl-beta-2-acetamido-2-deoxy-D-galactopyranoside + H2O
-
Ovis aries 2-acetamido-2-deoxy-D-galactose + p-nitrophenol
-
?
3.2.1.52 p-nitrophenyl-beta-2-acetamido-2-deoxy-D-glucopyranoside + H2O
-
Ovis aries 2-acetamido-2-deoxy-D-glucose + p-nitrophenol
-
?
3.2.1.52 phenyl N-acetyl-beta-D-galactosaminide + H2O
-
Ovis aries phenol + N-acetyl-beta-D-galactosaminide
-
?
3.2.1.52 phenyl-N-acetyl-beta-D-glucosaminide + H2O
-
Ovis aries phenol + N-acetyl-beta-D-glucosaminide
-
?

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.52 56
-
at pH 4.5, loss of 30% of activity after 6 min Ovis aries

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.52 4.3
-
N-acetylgalactosaminidase activity Ovis aries
3.2.1.52 4.5
-
N-acetylglucosamnidase activity, first optimum Ovis aries
3.2.1.52 4.7
-
N-acetylglucosamnidase activity, second optimum Ovis aries