Skip to main content
. 2020 Oct 14;320(1):C15–C29. doi: 10.1152/ajpcell.00430.2020

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