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Literature summary for 3.2.1.52 extracted from

  • Del Pino, F.B.; Brandelli, A.; Termignoni, C.; Gonzales, J.C.; Henriques, J.A.P.; Dewes, H.
    Purification and characterization of beta-N-acetylhexosaminidase from bovine tick Boophilus microplus (Ixodide) larvae (1999), Comp. Biochem. Physiol. B, 123, 193-200.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
Mg2+
-
Rhipicephalus microplus
Mn2+
-
Rhipicephalus microplus

Inhibitors

Inhibitors Comment Organism Structure
antibodies inhibit about 90% of in vitro activity Rhipicephalus microplus
Hg2+ with 1 mM 13% of activity remains Rhipicephalus microplus

Localization

Localization Comment Organism GeneOntology No. Textmining
microsome
-
Rhipicephalus microplus
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
60000
-
SDS-PAGE Rhipicephalus microplus
127000
-
gel filtration Rhipicephalus microplus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
N-acetyl-beta-D-hexosaminides + H2O Rhipicephalus microplus
-
N-acetyl-D-hexosamines
-
?

Organism

Organism UniProt Comment Textmining
Rhipicephalus microplus
-
bovine tick, ixodide
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein mannosylation Rhipicephalus microplus

Purification (Commentary)

Purification (Comment) Organism
to homogeneity, 1564fold Rhipicephalus microplus

Source Tissue

Source Tissue Comment Organism Textmining
hemolymph
-
Rhipicephalus microplus
-
larva
-
Rhipicephalus microplus
-
additional information no activity in saliva Rhipicephalus microplus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
77290
-
substrate: p-nitrophenyl-beta-2-acetamido-2-deoxy-D-glucopyranoside Rhipicephalus microplus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
N-acetyl-beta-D-hexosaminides + H2O
-
Rhipicephalus microplus N-acetyl-D-hexosamines
-
?
p-nitrophenyl-beta-2-acetamido-2-deoxy-D-galactopyranoside + H2O
-
Rhipicephalus microplus 2-acetamido-2-deoxy-D-galactose + p-nitrophenol
-
?
p-nitrophenyl-beta-2-acetamido-2-deoxy-D-glucopyranoside + H2O
-
Rhipicephalus microplus 2-acetamido-2-deoxy-D-glucose + p-nitrophenol
-
?

Subunits

Subunits Comment Organism
dimer 2 * 60000, SDS-PAGE Rhipicephalus microplus
dimer Hex A: alpha beta, Hex B: beta beta Rhipicephalus microplus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
65
-
-
Rhipicephalus microplus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
60
-
stable for 60 min at pH 4.7 Rhipicephalus microplus
80
-
completely inactivated at 80°C and above Rhipicephalus microplus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4.7
-
-
Rhipicephalus microplus

pH Stability

pH Stability pH Stability Maximum Comment Organism
4.5 7 at 4°C for 24 hours and at 37°C for 60 min Rhipicephalus microplus