TABLE 3

pKi values from competitive fit

CompoundpKi-GTP coupling (95% CI)pKi-βarr2 recruitment (95% CI)
6′-GNTI8.7 (9.1 to 8.4)8.5 (8.8 to 8.1)
Nalbuphine6.8 (7.0 to 6.6)7.1 (7.4 to 6.9)
Nalmefene9.1 (9.4 to 8.9)9.0 (9.4 to 8.7)