ID 5.3.1.29 DE ribose-1,5-bisphosphate isomerase. AN ribulose 1,5-bisphosphate synthase. AN RuBP synthase. CA alpha-D-ribose 1,5-bisphosphate = D-ribulose 1,5-bisphosphate. CC -!- This archaeal enzyme is involved in AMP metabolism and CO2 fixation CC through type III RubisCO enzymes. CC -!- The enzyme is activated by cAMP. CC -!- Formerly EC 5.3.1.n2. DR O28242, R15PI_ARCFU; D2RW80, R15PI_HALTV; D4GV73, R15PI_HALVD; DR Q57586, R15PI_METJA; Q9V281, R15PI_PYRAB; Q8U4G6, R15PI_PYRFU; DR O57947, R15PI_PYRHO; Q5JFM9, R15PI_THEKO; //