N-acetyl-D-glucosaminate + H(+) => N-acetyl-D-glucosamino-1,5-lactone + H2O
n-acetyl-d-glucosaminate + h(+) => n-acetyl-d-glucosamino-1,5-lactone + h2o
N-acetyl-D-glucosaminate + H(+) => N-acetyl-D-glucosamino-1,5-lactone + H2O
n-acetyl-d-glucosaminate + h(+) => n-acetyl-d-glucosamino-1,5-lactone + h2o