Figure 5 of Niel-Butschi, Mol Vis 2011; 17:1192-1202.

Figure 5. Local structure around the mutated residue in the fourth domain of the keratoepithelin protein (1x3b PDB code). The protein is shown in cartoon representation. Leu509 (A), Met502 and Arg555 residues (B), Val613 (C) and the neighboring residues are shown in stick representation in red and gray, respectively.