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Figure 3
Monitoring of the mobility of RXRα helix H12 by steady-state fluorescence anisotropy. Anisotropy values were measured in the presence of saturating concentrations of the various ligands (agonist SR11237 and compounds 2a–2f) with or without a TIF-2 co-activator fragment (CoA). The receptor in its apo form could not be used as a reliable reference as it has been demonstrated previously that bacterially expressed RXRα LBD captures fatty acids from the host (Bourguet et al., 2000 ![]() |