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Table 1 MtLPMO9A oxidation on various polysaccharide substrates

From: Discovery of the combined oxidative cleavage of plant xylan and cellulose by a new fungal polysaccharide monooxygenase

Substrate Occurrence of oxidation
Without ascorbic acid With 1 mM ascorbic acid
GlcOS #n *a XOS #n *b GlcOS #n * XOS #n *
Cellulose
 Avicelc + +
 RACc + +
Hemicellulose
 Glucan     
 Xyloglucand +
 β-Glucan barley +
 β-Glucan oat spelt +
 Xylan     
 OSXe
 BiWXe
 WAXe
Oligosaccharides
 Gluco-oligosaccharidesf
 Xylo-oligosaccharidesf
Galactomannang
RAC/hemicellulose combination
 RAC + BiWX + +
 RAC + OSX + +
 RAC + WAX
  1. aGluco-oligosaccharides oxidized at the C1 (GlcOS #n ) or C4 position (GlcOSn *).
  2. bXylo-oligosaccharides oxidized at the C1 (XOS #n ) or C4 position (XOSn *).
  3. cRegenerated amorphous cellulose (RAC), crystalline cellulose (Avicel).
  4. dXyloglucan from tamarind seed.
  5. eOat spelt xylan (OSX), birchwood xylan (BiWX), wheat arabinoxylan (WAX).
  6. fβ-(1 → 4)-linked gluco- and xylo-oligosaccharides, degree of polymerization 2–5.
  7. gβ-(1 → 4)-linked-d-mannosyl backbone from guar (medium viscosity), purchased from Megazyme (Bray, Ireland).