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Literature summary for 3.2.1.39 extracted from

  • Hien, N.H.; Fleet, G.H.
    Separation and characterization of six (1-3)-beta-glucanases from Saccharomyces cerevisiae (1983), J. Bacteriol., 156, 1204-1213.
    View publication on PubMedView publication on EuropePMC

General Stability

General Stability Organism
beta-glucanase IV highly unstable Saccharomyces cerevisiae

Inhibitors

Inhibitors Comment Organism Structure
Laminarin 25% inhibition above 2.5 mg/ml for beta-glucanase IIIB Saccharomyces cerevisiae

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.02
-
Laminarin beta-glucanase I Saccharomyces cerevisiae
0.04
-
Laminarin beta-glucanase IIIB Saccharomyces cerevisiae
0.21
-
Laminarin beta-glucanase V Saccharomyces cerevisiae

Localization

Localization Comment Organism GeneOntology No. Textmining
cell wall beta-glucanases I, IIIB, IV and V Saccharomyces cerevisiae 5618
-
intracellular beta-glucanases I, IIIB and V Saccharomyces cerevisiae 5622
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
69200
-
beta-glucanase V, native electrophoresis, gel filtration Saccharomyces cerevisiae
190500
-
beta-glucanase IIIB, native electrophoresis, gel filtration Saccharomyces cerevisiae
218000
-
beta-glucanase I, native electrophoresis, gel filtration Saccharomyces cerevisiae

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
cell wall glucan + H2O Saccharomyces cerevisiae cell wall autolysis reducing sugar + ?
-
?

Organism

Organism UniProt Comment Textmining
Saccharomyces cerevisiae
-
-
-

Purification (Commentary)

Purification (Comment) Organism
to homogeneity, separation of four different beta-1,3-glucanases Saccharomyces cerevisiae

Source Tissue

Source Tissue Comment Organism Textmining
cell culture four different isoforms, beta-glucanases I, IIIB, IV and V Saccharomyces cerevisiae
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.5
-
beta-glucanase IV Saccharomyces cerevisiae
1.12
-
beta-glucanase I Saccharomyces cerevisiae
1.21
-
beta-glucanase V Saccharomyces cerevisiae
9.62
-
beta-glucanase IIIB Saccharomyces cerevisiae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
cell wall glucan + H2O cell wall autolysis Saccharomyces cerevisiae reducing sugar + ?
-
?
laminarin + H2O different product patterns for glucanases I, IIIB, IV and V Saccharomyces cerevisiae D-glucose + ?
-
?
periodate-oxidized laminarin + H2O
-
Saccharomyces cerevisiae ?
-
?

pH Range

pH Minimum pH Maximum Comment Organism
5 6 for beta-glucanases I, IIIB and V Saccharomyces cerevisiae