Figure 7.

Reduced spectral density function analysis and mapping of the residues with slow internal motions onto the structure of the apo LARG PDZ. (A) Spectral density functions J(0), J(ω _N), and J(0.87ω _H) and their uncertainties were calculated for the apo (▲) and peptide-bound (□) LARG PDZ. (B) Structure of the apo LARG PDZ. Residues showing J(0) > 4.51 ns/rad (the mean value plus one standard deviation) are colored deep pink; residues with J(0) values between 3.59 nsc/rad (mean value) and 4.51 ns/rad are colored light pink.