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Table 3 Relative activity of recombinant Xln-DT towards various chromogenic substrates as measured by pNP release at 75 °C

From: Characterization of a novel thermostable and xylose-tolerant GH 39 β-xylosidase from Dictyoglomus thermophilum

Substratea

Relative activity (mean% ± SD)b

p-Nitrophenyl-β-D-xylopyranoside

100 ± 2.01

p-Nitrophenyl-β-D-galactopyranoside

NDc

p-Nitrophenyl-α-L-arabinofuranoside

ND

p-Nitrophenyl-α-L-arabinopyranoside

ND

p-Nitrophenyl-α-L-rhamnopyranoside

ND

p-Nitrophenyl-β-D-glucopyranoside

23.1 ± 1.08

  1. aFinal concentration of each was 1.0 mM
  2. bThe relative enzyme activity aganist p-Nitrophenyl-β-D-xylopyranoside was assumed to be 100%
  3. cNot determined, spectific activity is not determined by the analytical methods used in this study