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Literature summary for 3.2.1.8 extracted from

  • Ko, C.; Tsai, C.; Tu, J.; Lee, H.; Ku, L.; Kuo, P.; Lai, Y.
    Molecular cloning and characterization of a novel thermostable xylanase from Paenibacillus campinasensis BL11 (2010), Process Biochem., 45, 1638-1644.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
2-mercaptoethanol activates Paenibacillus campinasensis
tris-(2-carboxyethyl)-phosphine activates Paenibacillus campinasensis

Cloned(Commentary)

Cloned (Comment) Organism
gene xylX, DNA and amino acid sequence determination and analysis, expression of the His-tagged enzyme in Escherichia coli Paenibacillus campinasensis

Inhibitors

Inhibitors Comment Organism Structure
Ca2+
-
Paenibacillus campinasensis
Co2+
-
Paenibacillus campinasensis
Cu2+
-
Paenibacillus campinasensis
dithiothreitol
-
Paenibacillus campinasensis
EDTA
-
Paenibacillus campinasensis
Fe2+
-
Paenibacillus campinasensis
Fe3+
-
Paenibacillus campinasensis
Hg2+ almost complete inhibition at 5 mM Paenibacillus campinasensis
K+
-
Paenibacillus campinasensis
Mn2+
-
Paenibacillus campinasensis
N-bromosuccinimide almost complete inhibition at 5 mM Paenibacillus campinasensis
Ni2+
-
Paenibacillus campinasensis
Pb2+
-
Paenibacillus campinasensis
SDS
-
Paenibacillus campinasensis
Sr2+
-
Paenibacillus campinasensis
Triton X-100
-
Paenibacillus campinasensis
Zn2+
-
Paenibacillus campinasensis

Metals/Ions

Metals/Ions Comment Organism Structure
additional information no effect by 5 mM Mg2+ Paenibacillus campinasensis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
41000
-
x * 41000, SDS-PAGE Paenibacillus campinasensis

Organism

Organism UniProt Comment Textmining
Paenibacillus campinasensis Q2I6W5 gene xylX
-
Paenibacillus campinasensis BL11 Q2I6W5 gene xylX
-

Purification (Commentary)

Purification (Comment) Organism
recombinant His-tagged enzyme from Escherichia coli by nickel affinity chromatography Paenibacillus campinasensis

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2392
-
purified recombinant enzyme, pH 7.0, 60°C Paenibacillus campinasensis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
birch wood xylan + H2O
-
Paenibacillus campinasensis xylotriose + ? constitutes the majority of the hydrolyzed products from oat spelt and birchwood xylan ?
birch wood xylan + H2O
-
Paenibacillus campinasensis BL11 xylotriose + ? constitutes the majority of the hydrolyzed products from oat spelt and birchwood xylan ?
additional information no activity with Avicel, carboxymethyl cellulose, and D-(+)-cellobiose Paenibacillus campinasensis ?
-
?
additional information no activity with Avicel, carboxymethyl cellulose, and D-(+)-cellobiose Paenibacillus campinasensis BL11 ?
-
?
oat spelt xylan + H2O
-
Paenibacillus campinasensis xylotriose + ? constitutes the majority of the hydrolyzed products from oat spelt and birchwood xylan ?
oat spelt xylan + H2O
-
Paenibacillus campinasensis BL11 xylotriose + ? constitutes the majority of the hydrolyzed products from oat spelt and birchwood xylan ?

Subunits

Subunits Comment Organism
? x * 41000, SDS-PAGE Paenibacillus campinasensis

Synonyms

Synonyms Comment Organism
More XylX belongs to the GH11 family, XylX contains a family 11 catalytic domain of the glycoside hydrolase and a family 6 cellulose-binding module Paenibacillus campinasensis
XylX
-
Paenibacillus campinasensis

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
60
-
-
Paenibacillus campinasensis

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
40 80 activity range, correlation with pH, overview Paenibacillus campinasensis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
-
Paenibacillus campinasensis

pH Range

pH Minimum pH Maximum Comment Organism
4 11 activity range, correlation with temperature, overview Paenibacillus campinasensis