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. 2015 Jul 22;5:11582. doi: 10.1038/srep11582

Table 1. The estimates of functional parameters (agonist potency and intrinsic activity) for D1 and standard compounds in a [35S]GTPγS binding assay.

Compounds Agonist potency (pEC50 ± SEM) Intrinsic activity (Emax ± SEM in %)
(+) 8-OH-DPAT 6.8 ± 0.2 94.0 ± 2.0
Buspirone 6.6 ± 0.3 33.0 ± 1.0
D1 6.1 ± 0.1 26.0 ± 2.0
WAY 0 0

The values of pEC50 (negative logarithm of the concentration of agonist required to elicit a response halfway between the baseline and maximum responses) and Emax, (maximal drug effect on [35S]GTPγS binding baseline expressed as a percentage of that produced by 10 μM (+)8-OH-DPAT) were estimated using nonlinear regression analysis.