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Literature summary extracted from

  • Bhattacharyya, S.; Khowala, S.; Kumar, A.; Sengupta, S.
    Purification and characterization of an extracellular beta-xylosidase of Termitomyces clypeatus (1997), Biotechnol. Prog., 13, 822-827.
No PubMed abstract available

General Stability

EC Number General Stability Organism
3.2.1.37 improved pH- and temperature-stability as native sucrase-cellobiase-xylosidase aggregate Termitomyces clypeatus

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.37 Ag+ total inhibition at 10 mM Termitomyces clypeatus
3.2.1.37 beta-D-xylose 50% inhibition at 10 mM Termitomyces clypeatus
3.2.1.37 Cu2+ total inhibition at 10 mM Termitomyces clypeatus
3.2.1.37 Fe2+ total inhibition at 10 mM Termitomyces clypeatus
3.2.1.37 guanidinium hydrochloride 50% inhibition at 3 M Termitomyces clypeatus
3.2.1.37 SDS 100% inhibition at 0.2%, w/v Termitomyces clypeatus
3.2.1.37 Urea 100% inhibition at 3 M Termitomyces clypeatus

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.37 0.4
-
p-nitrophenyl beta-D-xyloside
-
Termitomyces clypeatus

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.2.1.37 extracellular
-
Termitomyces clypeatus
-
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.37 94000
-
SDS-PAGE, gel filtration Termitomyces clypeatus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.37 xylo-oligosaccharides + H2O Termitomyces clypeatus derived from xylan beta-D-xylose + ?
-
?
3.2.1.37 xylobiose + H2O Termitomyces clypeatus
-
beta-D-xylose + D-xylose
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.37 Termitomyces clypeatus
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.37 to homogeneity, 4step chromatography techniques Termitomyces clypeatus

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.37 mycelium highest enzyme production in xylan medium Termitomyces clypeatus
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.37 94
-
-
Termitomyces clypeatus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.37 methyl-beta-D-xyloside + H2O
-
Termitomyces clypeatus beta-D-xylose + methanol
-
?
3.2.1.37 p-nitrophenyl beta-D-xyloside + H2O
-
Termitomyces clypeatus p-nitrophenol + beta-D-xylose
-
?
3.2.1.37 xylo-oligosaccharides + H2O derived from xylan Termitomyces clypeatus beta-D-xylose + ?
-
?
3.2.1.37 xylobiose + H2O
-
Termitomyces clypeatus beta-D-xylose + D-xylose
-
?

Subunits

EC Number Subunits Comment Organism
3.2.1.37 monomer 1 * 94000, SDS-PAGE, gel filtration Termitomyces clypeatus

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.37 60
-
-
Termitomyces clypeatus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.37 5
-
-
Termitomyces clypeatus

Ki Value [mM]

EC Number Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
3.2.1.37 3
-
guanidinium hydrochloride
-
Termitomyces clypeatus
3.2.1.37 10
-
beta-D-xylose
-
Termitomyces clypeatus