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. 2016 Mar 25;8(4):90. doi: 10.3390/toxins8040090

Figure 3.

Figure 3

Localization of the critical residues involved in the interaction with PS. (A) The interaction site is located on the 10–20 amino acid pocket. Amino acids that are essential for the interaction with PS are shown in red and the amino acids that are implicated in the interaction in purple. Amino acids that are not implicated in the interaction are shown in green; (B) alignment of the amino acids critical for TcsL-cat binding to PS in the other toxins of the LCGT family. Amino acids in red are those which have been found critical for TcsL-cat binding to PS and which are conserved in the other toxins, and in green conservative amino acids. Amino acid numbering is that of TcsL.