. Author manuscript; available in PMC: 2011 Mar 23.

Published in final edited form as: Brain Res. 2000 Nov 24;884(1--2):184–191. doi: 10.1016/s0006-8993(00)02967-x

Table 3.

Competition of [³H]-naloxone (10 nM) binding by selective antagonists in Rana pipiens spinal cord

Drug	Type	K_i (nM)^a	95% CI^b	Hill^c	95% CI
β-FNA	μ	5.37	(3.88–7.08)	−0.7632	(−0.96 to −0.56)
nor-BNI	κ	9.97	(5.31–20.48)	−0.4951	(−0.83 to −0.15)
NTI	δ	31.1	(10.15–42.90)	−0.3780	(−0.64 to −0.11)

Apparent K_i value.

95% confidence interval.

Hill slope.