Table 1.

Phosphatase activity of recombinant SopB^*

Substrate	nmol/min/mg protein
PtdIns 3-P	47
PtdIns 3,4-P2	51
PtdIns 3,4,5-P3	68
Ins 1,3,4-P3	9.1
Ins 1,4,5-P3	13
Ins 1,3,4,5-P4	24
Ins 1,3,4,5,6-P5	4.5

^*Assays were performed with 10 μM substrate in 50 mM Mops (pH 7.0), 10 mM EDTA, and 1 mM DTT.