Rate constants for release of Mg +, glucose -phosphate, glucose 6-phosphate, and glucose 1 ,6-diphosphate from the catalytically active complex under initial velocity conditions together with rate constants for dissociation of the Mg 2+ complexes of phosphoand dephosphoenzyme are used to define the order of addition and release of the above species during the phosphoglucomutase reaction. Althou...