D-xylotetraose + O2 => D-xylotetraono-1,5-lactone + H2O2
d-xylotetraose + o2 => d-xylotetraono-1,5-lactone + h2o2
D-xylotetraose + O2 => D-xylotetraono-1,5-lactone + H2O2
d-xylotetraose + o2 => d-xylotetraono-1,5-lactone + h2o2