Figure 4.

Saturation and Scatchard regression for the hMT₁ and hMT₂ receptors, with 2-[¹²⁵I]-melatonin (incubation 2 h at 37°C) and [³H]-melatonin (incubation 2 h at 37°C for hMT₁ and 3 h at 37°C for hMT₂). Graphs are representative of all experiments in each case.