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. 2017 Oct 26;7:14089. doi: 10.1038/s41598-017-14372-2

Figure 3.

Figure 3

Putative ligand-binding sites of TlpC LBD. (a) Molecular surface of TlpC LBD with cavities and pockets coloured orange. The stalk helix is coloured pink, the membrane-distal module – light blue and the membrane-proximal module – cyan. (b) Structure superposition of membrane-distal modules of TlpC (pink) and Tlp3 (light blue) highlighting differences in position of helix α3 and β3-β4-tongue (coloured hot pink and blue in TlpC and Tlp3, respectively). Isoleucine bound to the membrane-distal module of Tlp3 is shown as grey sticks.