Table 2

Drug Kd estimates fromkoff/kon

SubtypeSEP-174559(R,S)-ZOP
α1β2γ21.8  ± 0.4 (9)0.2  ± 0.1 (9)
α2β2γ23.3  ± 0.3 (5)0.6  ± 0.1 (5)
α3β2γ25.4  ± 0.6 (3)1.4  ± 0.2 (4)

Values are mean ± S.E.M. in micromolar for (n) observations. GABA concentration was 10 μM. Drug concentrations were 20 μM.

  • ZOP, zopiclone.