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Literature summary for 3.2.1.151 extracted from

  • Damasio, A.R.; Ribeiro, L.F.; Ribeiro, L.F.; Furtado, G.P.; Segato, F.; Almeida, F.B.; Crivellari, A.C.; Buckeridge, M.S.; Souza, T.A.; Murakami, M.T.; Ward, R.J.; Prade, R.A.; Polizeli, M.L.
    Functional characterization and oligomerization of a recombinant xyloglucan-specific endo-beta-1,4-glucanase (GH12) from Aspergillus niveus (2012), Biochim. Biophys. Acta, 1824, 461-467.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
by gel filtration Aspergillus niveus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information kinetics with tamarind xyloglucan Aspergillus niveus

Localization

Localization Comment Organism GeneOntology No. Textmining
cell wall
-
Aspergillus niveus 5618
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
23500
-
x * 23500, about, sequence calculation, the enzyme is a predominantly a monomer at 60°C and is more active in its monomeric state Aspergillus niveus

Organism

Organism UniProt Comment Textmining
Aspergillus niveus
-
gene xegA
-
Aspergillus niveus A773
-
gene xegA
-

Source Tissue

Source Tissue Comment Organism Textmining
mycelium
-
Aspergillus niveus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
tamarind xyloglucan + H2O
-
Aspergillus niveus ?
-
?
tamarind xyloglucan + H2O
-
Aspergillus niveus A773 ?
-
?

Subunits

Subunits Comment Organism
monomer or dimer x * 23500, about, sequence calculation, the enzyme is a predominantly a monomer at 60°C and is more active in its monomeric state Aspergillus niveus

Synonyms

Synonyms Comment Organism
GH12 xyloglucanase
-
Aspergillus niveus
XegA
-
Aspergillus niveus
xyloglucan-specific beta-(1,4)-glucanase
-
Aspergillus niveus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
60
-
-
Aspergillus niveus

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
20 80 activity range Aspergillus niveus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
60
-
thermal unfolding studies displays two transitions with mid-point temperatures of 51.3°C and 81.3°C respectively, and dynamic light scattering studies indicate that the first transition involves a change in oligomeric state from a dimeric to a monomeric form Aspergillus niveus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
-
Aspergillus niveus

pH Range

pH Minimum pH Maximum Comment Organism
4 7.5 activity range Aspergillus niveus

pI Value

Organism Comment pI Value Maximum pI Value
Aspergillus niveus sequence calculation
-
4.38

General Information

General Information Comment Organism
evolution the enzyme belongs to the glucohydrolase family 12, GH12 Aspergillus niveus
additional information structure homology modelling using Aspergillus niger endoglucanase structure, PDB ID 1KS5 Aspergillus niveus