the experimental data can then be fitted satisfactorily assuming pk values of 5.7 and 8.5 for the two residues in the nonphosphorylated enzyme ( changing to 7.7 for one of the two residues , following phosphorylation ) and values of 50.0 and 0.58 for the equilibrium constants of the h2 ( e x hpo4 ) in equilibrium with h ( e-po3 ) + h2o and h ( e x hpo4 ) in equilibrium with e-po3 + h2o reactions , respectively .
C0031715
phosphorylation
C0919509
h2