Substrate

Vmax (mg∙L−1∙hr−1)

Km (mM)

Kcat (hr−1)

Kcat/Km (hr−1∙mM−1)

PNP

216

6.55

1301

199

PNP2A2E

204

6.40

1229

192

PNPBC

198

5.79

1195

206

Bis-PNP

nd

nd

nd

nd

DG6PNa

88.5

4.87

533

110

DG6P2Na

82.8

5.50

499

91