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Figure 2.
DR52c peptide-binding pockets. The α1 domain is shown in
cyan; the β1 domain, in magenta. The Tu peptide is colored as
in Fig. 1. Water molecules deep in the pockets (shown as red
balls) are labeled W0, W1, and W2. (A) Side view of the
solvent-accessible surface (probe radius of 1.4 Å) of the
peptide-binding groove. The peptide is shown as a wire frame.
The β1 helix has been partially cut away for clarity. (B) Top
view of the solvent-accessible surfaces of the four peptide
amino acid-binding pockets (P1, P4, P6, and P9) of DR52c,
showing only the side chains of the four bound residues.
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