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Figure 4.
Fig. 4. Backbone traces of GABARAP structure (cyan)
superposed by yellow spheres indicating NH groups for residues
that experience chemical shift perturbations upon addition of
candidate peptide ligands I  V in A E,
respectively. Three different sphere sizes are used to indicate
the different classes of perturbation described in Table II:
large sphere, >1 linewidth; medium sphere, approximately 1
linewidth; and small sphere, <1 linewidth. F, space-filled
representation of the GABARAP structure colored according to the
surface electrostatic potential computed with the program GRASP
(25), with orientation identical to that in A E.
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