Fig. 2.
The SYBYL calculated distance between the Q-site predicted binding sites residing proximal to the nucleotide binding domains in the non-ATP bound state (apo) of MDR-1, based on the Mus musculus P-gp coordinates.12,13 B, C, D, calculated distances for n = 2, 3 and 5, tethered dimers, respectively, in energy minimized conformations.