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. Author manuscript; available in PMC: 2022 Jul 1.
Published in final edited form as: Br J Pharmacol. 2022 Mar 27;179(14):3651–3674. doi: 10.1111/bph.15811
Ligand Bias plot slope G protein Arrestin Ligand bias
Emax
(%)*
EC50
(nM)
Log
(Emax/EC50)
ΔLog
(Emax/EC50)
Emax
(%)*
EC50
(nM)
Log
(Emax/EC50)
ΔLog
(Emax/EC50)
ΔΔLog
(Emax/EC50)
Bias factor For
Salvinorin A 1.0 99.7 5.18 8.3 0.0 (ref.) 97.2 5.75 8.2 0.0 (ref.) 0.0 1.0 - (ref.)
GR 89696 0.6 96.4 0.97 9.0 0.7 92.8 0.26 9.6 1.3 0.6 3.6 Arrestin
ICI 199,441 0.7 101 1.63 8.8 0.5 84.8 0.4 9.3 1.0 0.5 3.2 Arrestin
RB 48 1.8 101 8.82 8.1 -0.2 63.2 143 6.6 -1.6 1.4 26 G protein
RB 64 1.3 101 5.29 8.3 0.0 104 391 6.4 -1.9 1.9 72 G protein