D-cellopentaonate + H(+) => D-cellopentaono-1,5-lactone + H2O
d-cellopentaonate + h(+) => d-cellopentaono-1,5-lactone + h2o
D-cellopentaonate + H(+) => D-cellopentaono-1,5-lactone + H2O
d-cellopentaonate + h(+) => d-cellopentaono-1,5-lactone + h2o