Table 1.

Enzymatic hydrolysis of phosphate monoesters by direct water attack at 25°C

Enzyme	Phosphorylated substrate	kcat (s−1)	kcat/Km (M−1⋅s−1)
PP115	Phosphoryl-phosphorylase a	39	4  × 106
FBPase16	Fructose 1,6-bisphosphate	21	1.5  × 107
IP17	Inositol-1-phosphate	22	3  × 105
None	MeP and compound 1	2 × 10−20 (knon)