ribulose-bisphosphate carboxylase activity

Catalysis of the reaction: D-ribulose 1,5-bisphosphate + CO2 + H2O = 2 3-phospho-D-glycerate.

3-phospho-D-glycerate carboxy-lyase (dimerizing), 3-phospho-D-glycerate carboxy-lyase (dimerizing, D-ribulose-1,5-bisphosphate-forming), D-ribulose 1,5-diphosphate carboxylase activity, D-ribulose-1,5-bisphosphate carboxylase activity, RuBP carboxylase activity, RuBisCO activity, carboxydismutase activity, diphosphoribulose carboxylase activity, ribulose 1,5-bisphosphate carboxylase activity, ribulose 1,5-bisphosphate carboxylase/oxygenase activity, ribulose 1,5-diphosphate carboxylase activity, ribulose 1,5-diphosphate carboxylase/oxygenase activity, ribulose bisphosphate carboxylase/oxygenase activity, ribulose diphosphate carboxylase activity, ribulose diphosphate carboxylase/oxygenase activity, ribulose-bisphosphate carboxylase activity