N-acetyl-D-galactosamine + O2 + H2O <=> N-acetyl-D-galactosaminate + H2O2 + H(+)
n-acetyl-d-galactosamine + o2 + h2o <=> n-acetyl-d-galactosaminate + h2o2 + h(+)
N-acetyl-D-galactosamine + O2 + H2O <=> N-acetyl-D-galactosaminate + H2O2 + H(+)
n-acetyl-d-galactosamine + o2 + h2o <=> n-acetyl-d-galactosaminate + h2o2 + h(+)