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Literature summary for 3.2.1.37 extracted from

  • Huy, N.D.; Thayumanavan, P.; Kwon, T.H.; Park, S.M.
    Characterization of a recombinant bifunctional xylosidase/arabinofuranosidase from Phanerochaete chrysosporium (2013), J. Biosci. Bioeng., 116, 152-159 .
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
D-glucose 5 mM, 123% of initial activity Phanerodontia chrysosporium
D-xylose 5 mM, 151% of initial activity Phanerodontia chrysosporium
L-arabinose 5 mM, 126% of initial activity Phanerodontia chrysosporium

Cloned(Commentary)

Cloned (Comment) Organism
exprerssion in Pichia pastoris Phanerodontia chrysosporium

Inhibitors

Inhibitors Comment Organism Structure
Co2+ 10 mM, 20.4% residual activity Phanerodontia chrysosporium
Cu2+ 10 mM, 5.8% residual activity Phanerodontia chrysosporium
Fe2+ 10 mM, 47.6% residual activity Phanerodontia chrysosporium
Mn2+ 10 mM, 21.2% residual activity Phanerodontia chrysosporium
Ni2+ 10 mM, 17.2% residual activity Phanerodontia chrysosporium
Zn2+ 10 mM, 0.3% residual activity Phanerodontia chrysosporium

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
12.7
-
4-nitrophenyl beta-D-xylopyranoside pH 5.0, 40°C Phanerodontia chrysosporium

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
Phanerodontia chrysosporium
-
-

Organism

Organism UniProt Comment Textmining
Phanerodontia chrysosporium K7T9D9 bifunctional beta-xylosidase/alpha-L-arabinofuranosidase, EC 3.2.1.37/EC 3.2.1.55
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein molecular mass of deglycosylated protein is 66000 Da Phanerodontia chrysosporium

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1797
-
substrate 4-nitrophenyl beta-D-xylopyranoside, pH 5.0, 40°C Phanerodontia chrysosporium

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-nitrophenyl beta-D-xylopyranoside + H2O
-
Phanerodontia chrysosporium 4-nitrophenol + D-xylose
-
?
additional information alpha-L-arabinofuranosidase activity is about 10% of the beta-xylosidase activity. No substrates: 4-nitrophenyl-alpha-D-xylopyranoside, 4-nitrophenyl-beta-D-glucopyranoside. Very poor substrates: birchwood xylan, beechwood xylan, sugar beet arabinan, debranched arabinana, wheat arabinoxylan Phanerodontia chrysosporium ?
-
?

Subunits

Subunits Comment Organism
? x * 83000, SDS-PAGE, x * 65600, calculated Phanerodontia chrysosporium

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
45
-
-
Phanerodontia chrysosporium

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5
-
-
Phanerodontia chrysosporium