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Literature summary for 3.2.1.8 extracted from

  • Chapla, D.; Patel, H.; Singh, A.; Madamwar, D.; Shah, A.
    Production, purification and properties of a cellulase-free thermostable endoxylanase from newly isolated Paenibacillus sp. ASCD2 (2012), Ann. Microbiol., 62, 825-834.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Cu2+
-
Paenibacillus sp.
EDTA
-
Paenibacillus sp.
Hg2+
-
Paenibacillus sp.
Mn2+
-
Paenibacillus sp.

Metals/Ions

Metals/Ions Comment Organism Structure
K+ activates Paenibacillus sp.
Mg2+ activates Paenibacillus sp.
additional information the enzyme activity is unaffected by Fe2+, Zn2+, and Tween 80 Paenibacillus sp.
Na+ activates Paenibacillus sp.

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
20200
-
x * 20200, SDS-PAGE Paenibacillus sp.

Organism

Organism UniProt Comment Textmining
Paenibacillus sp.
-
-
-
Paenibacillus sp. ASCD2
-
-
-

Purification (Commentary)

Purification (Comment) Organism
native enzyme 16.6fold by ammonium sulfate fractionation and gel filtration Paenibacillus sp.

Source Tissue

Source Tissue Comment Organism Textmining
additional information optimization of xylanase production under solid state fermentation, maximal activity on wheat straw with organic nitrogen rich medium, pH 7.0, at a moisture ratio of 1:5, at 50°C Paenibacillus sp.
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
87
-
purified native enzyme, pH 7.0, 60°C, substrate birchwood xylan Paenibacillus sp.

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
birchwood xylan + H2O the endoxylanase produces only xylooligosaccharides from birchwood xylan Paenibacillus sp. xylooligosaccharides
-
?
birchwood xylan + H2O the endoxylanase produces only xylooligosaccharides from birchwood xylan Paenibacillus sp. ASCD2 xylooligosaccharides
-
?

Subunits

Subunits Comment Organism
? x * 20200, SDS-PAGE Paenibacillus sp.

Synonyms

Synonyms Comment Organism
endoxylanase
-
Paenibacillus sp.

Temperature Optimum [°C]

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

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
65
-
purified native enzyme, half-life is 415.12 min Paenibacillus sp.
70
-
purified native enzyme, half-life is 102.8 min Paenibacillus sp.

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
-
Paenibacillus sp.

pH Range

pH Minimum pH Maximum Comment Organism
6.5 7.5 70% of maximal activity at pH 6.5, 85% at pH 7.5 Paenibacillus sp.