Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 3.2.1.164 extracted from

  • Brillouet, J.M.; Williams, P.; Moutounet, M.
    Purification and some properties of a novel endo-beta-(1-6)-D-galactanase from Aspergillus niger (1991), Agric. Biol. Chem., 55, 1565-1571.
No PubMed abstract available

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information
-
Aspergillus niger

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
29000
-
gel filtration Aspergillus niger
60000
-
native PAGE Aspergillus niger

Organism

Organism UniProt Comment Textmining
Aspergillus niger
-
-
-

Purification (Commentary)

Purification (Comment) Organism
native enzyme 26.2fold to homogeneity by several chromatographic steps, overview Aspergillus niger

Source Tissue

Source Tissue Comment Organism Textmining
commercial preparation crude enzyme extract Aspergillus niger
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
25.29
-
purified enzyme Aspergillus niger

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
desarabinosylated grape 3,6-galactan-protein + H2O the enzyme liberates beta-1,6-D-galactobiose and galactose Aspergillus niger ?
-
?
additional information the enzyme does not cleave beta-D-1,3-galactosidic bonds Aspergillus niger ?
-
?

Subunits

Subunits Comment Organism
monomer 1 * 60000, SDS-PAGE Aspergillus niger

Synonyms

Synonyms Comment Organism
endo-beta-(1-6)-D-galactanase
-
Aspergillus niger

Temperature Optimum [°C]

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

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
20 75 activity range Aspergillus niger

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
30
-
4 h, purified enzyme, 1 M acetate buffer, pH 4.2, completely stable Aspergillus niger
45
-
4 h, purified enzyme, 1 M acetate buffer, pH 4.2, 50% remaining activity Aspergillus niger
60
-
4 h, purified enzyme, 1 M acetate buffer, pH 4.2, 17% remaining activity Aspergillus niger

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
3.5
-
-
Aspergillus niger

pH Range

pH Minimum pH Maximum Comment Organism
2 7.5 activity range, 85% of maximal activity at pH 2.5 Aspergillus niger

pH Stability

pH Stability pH Stability Maximum Comment Organism
2 7.5 2 h, 40°C, 50% remaining activity at pH 2.0 and at pH 7.5 Aspergillus niger