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 => d-ribulose 1,5-bisphosphate + h2o