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Literature summary for 3.2.1.8 extracted from

  • Breccia, J.D.; Sineriz, F.; Baigori, M.D.; Castro, G.R.; Hatti-Kaul, R.
    Purification and characterization of a thermostable xylanase from Bacillus amyloliquefaciens (1998), Enzyme Microb. Technol., 22, 42-49.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
beta-mercaptoethanol stimulates Bacillus amyloliquefaciens
dithiothreitol stimulates Bacillus amyloliquefaciens
EDTA 1-5 mM, stimulates Bacillus amyloliquefaciens

Inhibitors

Inhibitors Comment Organism Structure
Cu2+
-
Bacillus amyloliquefaciens
Fe3+
-
Bacillus amyloliquefaciens
Hg2+
-
Bacillus amyloliquefaciens

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
Bacillus amyloliquefaciens
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
Mn2+ stimulates Bacillus amyloliquefaciens
Mn2+ maximal activity at 2 mM Bacillus amyloliquefaciens

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
18500
-
equilibrium sedimentation Bacillus amyloliquefaciens

Organism

Organism UniProt Comment Textmining
Bacillus amyloliquefaciens
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein the enzyme is either a glycoprotein or possesses a tightly bound carbohydrate residue Bacillus amyloliquefaciens

Purification (Commentary)

Purification (Comment) Organism
-
Bacillus amyloliquefaciens

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
213.1
-
-
Bacillus amyloliquefaciens

Subunits

Subunits Comment Organism
More two protein bands are detected by SDS-PAGE: 18400 Da and 19600 Da Bacillus amyloliquefaciens

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
80
-
-
Bacillus amyloliquefaciens

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
40 90 40°C: about 50% of maximal activity, 90°C: about 85% of maximal activity Bacillus amyloliquefaciens

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
stable for several days Bacillus amyloliquefaciens
55
-
pH 6.8, 15 min, stable up to Bacillus amyloliquefaciens
75
-
pH 6.8, 15 min, nearly all activity is destroyed Bacillus amyloliquefaciens

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.8 7
-
Bacillus amyloliquefaciens

pH Range

pH Minimum pH Maximum Comment Organism
3 10 about 40% of maximal activity at pH 3.0 and at pH 10.0 Bacillus amyloliquefaciens

pH Stability

pH Stability pH Stability Maximum Comment Organism
9
-
50°C, 5 h, stable Bacillus amyloliquefaciens
10
-
50°C, 5 h, less than 20% loss of activity Bacillus amyloliquefaciens