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. Author manuscript; available in PMC: 2017 Mar 8.
Published in final edited form as: Nature. 2016 Aug 17;537(7619):185–190. doi: 10.1038/nature19112

Extended Data Table 3.

Binding and signalling properties of compounds 12 and PZM21

12 PZM21
Ki(nM)
 μOR 42 1.1
 δOR N.A. 506
 κOR 464 18
 nociceptin N.D.a N.D.a
Gi/o (Glosensor)
EC50(nM)|Emax(%)
 μOR 180 | 88 4.6 | 77
 δ0R N.A.b 1900 | 78
 κOR N.A.b N.A.b
 nociceptin 1400 | 43 N.A.b
Arrestin recruitment (PathHunter)
EC50(nM)|Emax(%)
 μOR 940 | 9.4 NA.a
a

Not determined.

b

No measurable activity.

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