6W3V:
reference: Structure-Activity Relationship Study Reveals the Molecular Basis for Specific Sensing of Hydrophobic Amino Acids by the Campylobacter jejuni Chemoreceptor Tlp3., Khan MF, Machuca MA, Rahman MM, Koc C, Norton RS, Smith BJ, Roujeinikova A, Biomolecules. 2020 May 11;10(5). pii: biom10050744. doi: 10.3390/biom10050744. PMID: 32403336

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).