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Literature summary for 3.2.1.8 extracted from

  • Ray, R.R.; Nanda, G.
    Production and characterization of xylanase from a beta-amylolytic strain of Bacillus megaterium (1997), Microbios, 90, 7 - 16.
    View publication on PubMed
Search for more literature for 3.2.1.8

Activating Compound

Activating Compound Comment Organism Structure
2-mercaptoethanol 31% increased activity at 1 mM Priestia megaterium
alpha-cyclodextrin 11% increased activity at 1 mM Priestia megaterium
beta-cyclodextrin 9% increased activity at 1 mM Priestia megaterium
cyanamide 3% increased activity at 1 mM Priestia megaterium
dithiothreitol 6% increased activity at 1 mM Priestia megaterium
L-cysteine 9% increased activity at 1 mM Priestia megaterium
reduced glutathione 3% increased activity at 1 mM Priestia megaterium

Application

Application Comment Organism
paper production used for paper bleaching Priestia megaterium

Inhibitors

Inhibitors Comment Organism Structure
Ag2+ 90% residual activity at 1 mM Priestia megaterium
Cu2+ 87% residual activity at 1 mM Priestia megaterium
Hg2+ 27% residual activity at 1 mM Priestia megaterium
additional information not affected by urea, iodoacetamide, Fe3+, K+, Na+, p-chloromercuribenzoate and N-ethylmaleimide Priestia megaterium

Metals/Ions

Metals/Ions Comment Organism Structure
Ba2+ 22% increased activity at 1 mM Priestia megaterium
Ca2+ 8% increased activity at 1 mM Priestia megaterium
Mg2+ 7% increased activity at 1 mM Priestia megaterium
Mn2+ 25% increased activity at 1 mM Priestia megaterium

Organism

Organism UniProt Comment Textmining
Priestia megaterium
-
-
-
Priestia megaterium B6
-
-
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
25.6
-
 at pH 7.5 and 85°C Priestia megaterium

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
grass straw + H2O
-
 Priestia megaterium ?
-
 ?
grass straw + H2O
-
 Priestia megaterium B6 ?
-
 ?
jute stalk + H2O
-
 Priestia megaterium ?
-
 ?
jute stalk + H2O
-
 Priestia megaterium B6 ?
-
 ?
maize cob + H2O
-
 Priestia megaterium ?
-
 ?
maize cob + H2O
-
 Priestia megaterium B6 ?
-
 ?
additional information does not use rice bran, cellulose, starch and pullulan as a substrate Priestia megaterium ?
-
 ?
additional information does not use rice bran, cellulose, starch and pullulan as a substrate Priestia megaterium B6 ?
-
 ?
oat spelt + H2O
-
 Priestia megaterium ?
-
 ?
oat spelt + H2O
-
 Priestia megaterium B6 ?
-
 ?
rice husk + H2O
-
 Priestia megaterium ?
-
 ?
sawdust + H2O
-
 Priestia megaterium ?
-
 ?
shorea leaf dust + H2O
-
 Priestia megaterium ?
-
 ?
sugar cane bagasse + H2O
-
 Priestia megaterium ?
-
 ?
wheat bran + H2O
-
 Priestia megaterium ?
-
 ?
wheat straw + H2O
-
 Priestia megaterium ?
-
 ?
xylan + ?
-
 Priestia megaterium xylose + ?
-
 ?

Synonyms

Synonyms Comment Organism
xylanase
-
 Priestia megaterium

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
85
-
-
 Priestia megaterium

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50 85 remains stable at 50°C for 20 min and at 85°C for 7 min Priestia megaterium

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
-
 Priestia megaterium

pH Stability

pH Stability pH Stability Maximum Comment Organism
7 9
-
 Priestia megaterium