Figure 2.

GPC binding site in Mtb UgpB. (A) Illustration showing GPC with dark gray carbon atoms and selected Mtb UgpB amino acid residues in stick representation (colored brown for residues within domain I and green for residues with domain II). (B) Schematic diagram of the interactions of Mtb UgpB with GPC. Dashed lines (black) represent hydrogen bonding, and the thick dotted line (red) represents hydrophobic interactions