label: ribulose-1,5-bisphosphate carboxylase/oxygenase activator activity
label_lc: ribulose-1,5-bisphosphate carboxylase/oxygenase activator activity
description: "Binds to and iincreases the activity of rubisco by the removal of otherwise inhibitory sugar phosphates: RuBP, and in some plants, 2-carboxyarabinitol 1-phosphate."