Table 2. Kinetic Constants of NSH1 and the NSH1-NSH2 Complex
NucleosideNSH1NSH1-NSH2
Km (mM)kcat (s−1)kcat/Km (s−1 mM−1)R2Km (mM)kcat (s−1)kcat/Km (s−1 mM−1)R2
Xanthosine0.522.655.100.960.0623.3389.20.99
Inosine0.6042.370.50.90
Uridine0.7333.545.90.984.3055.312.90.95
  • Dashes indicate that data were not determined.