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Literature summary for 3.2.1.8 extracted from

  • Yasui, T.; Marui, M.; Kusakabe, I.; Nakanishi, K.
    Xylanases of Streptomyces (1988), Methods Enzymol., 160, 648-654.
No PubMed abstract available
Search for more literature for 3.2.1.8

Inhibitors

Inhibitors Comment Organism Structure
Fe3+
-
 Streptomyces sp.
Hg2+
-
 Streptomyces sp.
N-bromosuccinimide 5 mM Streptomyces sp.
SDS
-
 Streptomyces sp.

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
25000
-
 1 * 25000, xylanase X-II-A and X-II-B, SDS-PAGE Streptomyces sp.
26680
-
 xylanase X-II-B, sedimentation analysis Streptomyces sp.
50000
-
 xylanase X-I, gel filtration Streptomyces sp.

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1,4-beta-D-xylan + H2O Streptomyces sp. inductively produced ?
-
 ?
1,4-beta-D-xylan + H2O Streptomyces sp. No. 3137 inductively produced ?
-
 ?

Organism

Organism UniProt Comment Textmining
Streptomyces sp.
-
-
-
Streptomyces sp. No. 3137
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
no modification contains no carbohydrate Streptomyces sp.

Purification (Commentary)

Purification (Comment) Organism
xylanase X-I, X-II-A and X-II-B Streptomyces sp.

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1,4-beta-D-xylan + H2O corncob xylan Streptomyces sp. additional information production of xylose and xylobiose as main products from hardwood xylan ?
1,4-beta-D-xylan + H2O hardwood xylan Streptomyces sp. additional information production of xylose and xylobiose as main products from hardwood xylan ?
1,4-beta-D-xylan + H2O corncob xylan Streptomyces sp. No. 3137 additional information production of xylose and xylobiose as main products from hardwood xylan ?
1,4-beta-D-xylan + H2O hardwood xylan Streptomyces sp. No. 3137 additional information production of xylose and xylobiose as main products from hardwood xylan ?
1,4-beta-D-xylan + H2O inductively produced Streptomyces sp. ?
-
 ?
1,4-beta-D-xylan + H2O inductively produced Streptomyces sp. No. 3137 ?
-
 ?

Subunits

Subunits Comment Organism
monomer 1 * 50000, xylanase X-I, SDS-PAGE Streptomyces sp.
monomer 1 * 25000, xylanase X-II-A and X-II-B, SDS-PAGE Streptomyces sp.

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
60 65
-
 Streptomyces sp.

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
55
-
 pH 5.5, 30 min, stable Streptomyces sp.

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5 6 xylanase X-II-A and X-II-B Streptomyces sp.
5.5 6 xylanase X-I Streptomyces sp.

pH Stability

pH Stability pH Stability Maximum Comment Organism
1.5 11.5 xylanase X-II-A and X-II-B, stable Streptomyces sp.
3 10.5 xylanase X-I, stable Streptomyces sp.