Table 1.
A. Identified | |||
α1β2γ2 | α4βγ2 | α5βγ2 | α6β3δ |
α2βγ2 | α4β2δ | α6βγ2 | ρ |
α3βγ2 | α4β3δ | α6β2δ | |
B. Existence with High Probability | |||
α1β3γ2 | α5β3γ2 | αβ | |
α1βδ | αβ1γ/ αβ1δ | α1α6βγ/ α1α6βδ | |
C. Tentative | |||
ρ1 | αβγ1 | αβθ | |
ρ2 | αβγ3 | αβπ | |
ρ3 | αβε | αxαyβγ2 |
The criteria for inclusion on the native receptors list and evidence for the subtypes were first described in Olsen & Sieghart, Pharmacol. Rev. 2008.