D-ribulose 1,5-bisphosphate + H2O <=> D-ribulose 1-phosphate + phosphate
d-ribulose 1,5-bisphosphate + h2o <=> d-ribulose 1-phosphate + phosphate
D-ribulose 1,5-bisphosphate + H2O <=> D-ribulose 1-phosphate + phosphate
d-ribulose 1,5-bisphosphate + h2o <=> d-ribulose 1-phosphate + phosphate