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Table 1 The substrate specificity of recombinant CrXyl30

From: Functional identification of two novel carbohydrate-binding modules of glucuronoxylanase CrXyl30 and their contribution to the lignocellulose saccharification

Substrate

rCrXyl30-FL

rCrXyl30-CBM13

rCrXyl30-CD

Glucuronoxylan (U/μmol)

70.7 ± 0.5a

55.1 ± 0.7b

60.2 ± 0.4c

Arabinoxylan

N.D

N.D

N.D

Carboxymethyl xylan

N.D

N.D

N.D

Xylooligosaccharides

N.D

N.D

N.D

Carboxymethyl cellulose

N.D

N.D

N.D

β-1,4-glucan

N.D

N.D

N.D

Arabinan

N.D

N.D

N.D

Arabinogalactan

N.D

N.D

N.D

Galactomannan

N.D

N.D

N.D

Glucomannan

N.D

N.D

N.D

Inulin

N.D

N.D

N.D

Insoluble corncob xylan (mU/μmol)

44.6 ± 2.1A

38.2 ± 1.3B

39.7 ± 2.4B

  1. Different superscripts indicate significant differences (P < 0.05)
  2. FL full-length; CD catalytic domain; N.D. Not detected