Table 1

Kinetic analysis of NTP concentrations

NTPNTP concn(s) (μM)a
ATPCTPGTPUTP
ATP800, 400, 200, 100, 5050501†
CTP100100, 50, 25, 12.5, 6.25501†
GTP10050100, 50, 25, 12.5, 6.251†
UTP100501*100, 50, 25, 12.5, 6.25
  • a *, 1 μM GTP and 2.5 μCi of [α-32P]GTP; †, 0.75 μM UTP and 0.25 μM [5,6-3H]UTP.