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Literature summary extracted from

  • Souza, D.S.; Grossi-de-Sa, M.F.; Silva, L.P.; Franco, O.L.; Gomes-Junior, J.E.; Oliveira, G.R.; Rocha, T.L.; Magalhaes, C.P.; Marra, B.M.; Grossi-de-Sa, M.; Romano, E.; de Sa, C.M.; Kombrink, E.; Jimenez, A.V.; Abreu, L.R.
    Identification of a novel beta-N-acetylhexosaminidase (Pcb-NAHA1) from marine Zoanthid Palythoa caribaeorum (Cnidaria, Anthozoa, Zoanthidea) (2008), Protein Expr. Purif., 58, 61-69.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
3.2.1.52 chondroitin 4-sulfate 0.025 mg/ml, 1.19fold activation Palythoa caribaeorum
3.2.1.52 chondroitin 6-sulfate 0.025 mg/ml, 1.35fold activation Palythoa caribaeorum
3.2.1.52 Phenylmethylsulfonylfluoride 1 mM, 1.46fold activation Palythoa caribaeorum

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.52 D-fructose 3 mM, 26% inhibition Palythoa caribaeorum
3.2.1.52 D-mannose 3 mM, 19% inhibition Palythoa caribaeorum
3.2.1.52 fucoidan 0.025 mg/ml, 19% inhibition Palythoa caribaeorum
3.2.1.52 HgCl2 1 mM, complete inhibition Palythoa caribaeorum
3.2.1.52 iodoacetamide 1 mM, 16% inhibition Palythoa caribaeorum
3.2.1.52 lactose 3 mM, 20% inhibition Palythoa caribaeorum
3.2.1.52 maltose 3 mM, 33% inhibition Palythoa caribaeorum

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.52 0.53
-
4-nitrophenyl 2-acetamido-2-deoxy-beta-D-glucopyranose
-
Palythoa caribaeorum

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.2.1.52 BaCl2 1 mM, 1.4fold activation Palythoa caribaeorum
3.2.1.52 MgCl2 1 mM, 1.17fold activation Palythoa caribaeorum
3.2.1.52 Na2SeO4 1 mM, 1.45fold activation Palythoa caribaeorum

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.52 25000
-
x * 25000, SDS-PAGE Palythoa caribaeorum

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.52 Palythoa caribaeorum
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.52
-
Palythoa caribaeorum

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.52 additional information
-
57.9 U/mg. One unit of enzyme activity was defined as the amount of enzyme which released 0.01 absorbance at 405 nm Palythoa caribaeorum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.52 4-nitrophenyl 2-acetamido-2-deoxy-beta-D-glucopyranose + H2O
-
Palythoa caribaeorum 4-nitrophenol + 2-acetamido-2-deoxy-beta-D-glucopyranose
-
?
3.2.1.52 4-nitrophenyl-2-(acetamino)-2-deoxy-beta-D-glucopyranoside + H2O preferentially hydrolyzed Palythoa caribaeorum 4-nitrophenol + N-acetyl-D-glucosamine
-
?
3.2.1.52 additional information no activity with chitin azure Palythoa caribaeorum ?
-
?

Subunits

EC Number Subunits Comment Organism
3.2.1.52 ? x * 25000, SDS-PAGE Palythoa caribaeorum

Synonyms

EC Number Synonyms Comment Organism
3.2.1.52 Pcb-NAHA1
-
Palythoa caribaeorum

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.52 45 60
-
Palythoa caribaeorum

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
3.2.1.52 37 70 37°C: about 60% of maximal activity, 70°C: about 25% of maximal activity Palythoa caribaeorum

Turnover Number [1/s]

EC Number Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
3.2.1.52 0.61
-
4-nitrophenyl-2-(acetamino)-2-deoxy-beta-D-glucopyranoside
-
Palythoa caribaeorum

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.52 5
-
-
Palythoa caribaeorum

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.2.1.52 4 8.5 pH 4.0: about 35% of maximal activity, pH 5.5: about 35% of maximal activity, pH 8.5: about 50% of maximal activity Palythoa caribaeorum