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Fig. 4 | BMC Systems Biology

Fig. 4

From: A novel index of protein-protein interface propensity improves interface residue recognition

Fig. 4

Residue contact preferences for interfaces. a Contact frequencies between residues of types i and j. b Contact preferences between residues of types i and j. c Contact preferences between four group residues (B:basic, H:hydrophobic, P:polar, A:acidic). In a and b, residue types ordered based on chemical properties (basic:H-K, hydrophobic:A-W, polar:Y-Q and acidic:D-E) and aromatic residues (P-Y) in together. In each chemical property group, residue types are ordered based on the length of residue side chain in ascending. These interface prefer contacts are shown in red and the opposite contacts are shown in blue

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