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Model of p344 peptide interaction with CTLA-4 and B7-1 proteins. Using the CABS-dock server, p344 was docked to CTLA-4 protein (blue ribbon). Next, the B7-1 ligand (red ribbon) was embedded in the CTLA-4/p344 complex as in PDB 1I8L. p344 shown as sticks (a,b); the residues of B7-1 which are in clash with the docked peptide are shown as spheres (b).
