Table 4.
Vmax and Km of CD73CH23CD39 at various pH levels for NTPDase and NMPase activities
| CD73CH23CD39 | Km, mM | Vmax, µmol Pi/nmol/min |
|---|---|---|
| ATPase (pH 7.5) | 0.008 | 2.00 |
| UTPase (pH 7.5) | 0.048 | 6.05 |
| ADPase (pH 7.5) | 0.011 | 1.57 |
| UDPase (pH 7.5) | 0.066 | 4.55 |
| AMPase (pH 7.5) | 0.46 | 11.73 |
| UMPase (pH 7.5) | 0.32 | 10.50 |
| ATPase (pH 5.8) | 0.023 | 1.04 |
| ADPase (pH 5.8) | 0.003 | 0.79 |
| AMPase (pH 5.8) | 0.063 | 5.1 |