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Literature summary extracted from

  • Marui, M.; Nakanishi, K.; Yasui, T.
    Purification and properties of three types of xylanases induced by methyl beta-xyloside from Streptomyces sp. (1985), Agric. Biol. Chem., 49, 3399-3407.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.8 Fe3+
-
 Streptomyces sp.
3.2.1.8 Hg2+
-
 Streptomyces sp.
3.2.1.8 N-bromosuccinimide 5 mM Streptomyces sp.
3.2.1.8 SDS
-
 Streptomyces sp.
3.2.1.8 SnCl2
-
 Streptomyces sp.

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.8 25000
-
 1 * 25000, xylanase X-II-A and X-II-B, SDS-PAGE Streptomyces sp.
3.2.1.8 26680
-
 xylanase X-II-B, sedimentation analysis Streptomyces sp.
3.2.1.8 50000
-
 xylanase X-I, gel filtration Streptomyces sp.

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.8 1,4-beta-D-xylan + H2O Streptomyces sp. inductively produced in medium containing methyl beta-xyloside ?
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.8 Streptomyces sp.
-
-
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
3.2.1.8 no modification contains no carbohydrate Streptomyces sp.

Purification (Commentary)

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

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.8 mycelium
-
 Streptomyces sp.
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.8 106
-
 xylanase II-A Streptomyces sp.
3.2.1.8 155
-
 xylanase II-B Streptomyces sp.
3.2.1.8 161
-
 xylanase X-I Streptomyces sp.

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.8 1,4-beta-D-xylan + H2O
-
 Streptomyces sp. additional information
-
 ?
3.2.1.8 1,4-beta-D-xylan + H2O inductively produced in medium containing methyl beta-xyloside Streptomyces sp. ?
-
 ?
3.2.1.8 xylotetraose + H2O
-
 Streptomyces sp. additional information
-
 ?
3.2.1.8 xylotriose + H2O
-
 Streptomyces sp. xylobiose + xylose
-
 ?

Subunits

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

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.8 60 65
-
 Streptomyces sp.

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.8 55
-
 pH 5.5, 30 min, stable Streptomyces sp.

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.8 5 6 xylanase X-II-A and X-II-B Streptomyces sp.
3.2.1.8 5.5 6 xylanase X-I Streptomyces sp.

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.2.1.8 1.5 11.5 xylanase X-II-A and X-II-B, stable Streptomyces sp.
3.2.1.8 3 10.5 xylanase X-I, stable Streptomyces sp.