Table 3

Kinetic analysis of BVDU and TK inhibitors against TK-2 and HSV-1 TK using ATP as the varying substrate

CompoundTK-2HSV-1 TK
KiKi/KmNature of InhibitionKiKi/KmNature of Inhibition
μM μM
KIN-1217  ± 0.20.81U.C.336.4U.C.
KIN-5224  ± 4.51.1U.C.N.A.N.A.N.A.
BVDU5.3  ± 0.60.21N.C.14  ± 1.01.7N.C.

Ki values are derived from Lineweaver-Burk plots. Km values for ATP are 23 μM (TK-2) and 6.8 μM (HSV-1 TK).

  • U.C., uncompetitive; N.C., noncompetitive; N.A., not applicable: no measurable inhibition.