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. 1998 Aug 1;510(Pt 3):903–913. doi: 10.1111/j.1469-7793.1998.903bj.x

Table 2.

Tabulation of affinity parameters for 5-[3H]HT uptake, 5-[3H]HT binding and [3H]imipramine binding measured in intact L-S1 cells

5-[3H]HT uptake
  5-HT Km 390 ± 45 nm
  Imipramine Ki 22.7 ± 3.4 nm
5[3H]HT binding
  5-HT Kd 109 ± 9 nm
  Imipramine Ki 15.1 ± 1.3 nm
[3H]Imipramine binding
  5-HT Ki 800 ± 110 nm
  Imipramine Kd 6.0 ± 0.4 nm

The 5-HT Km and the imipramine Ki values were reported previously (Frnka et al. 1991).