Structural comparison of VLRC with lamprey VLRA and VLRB.

<p>VLRC is shown in magenta, whereas VLRA and VLRB are shown in green and their bound ligands in gray. (A) Superimposition of VLRC and the lamprey VLRB.RBC36 trisaccharide complex <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0085875#pone.0085875-Han1" target="_blank">[19]</a>. (B) Superimposition of VLRC and the lamprey VLRB.2D-HEL complex <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0085875#pone.0085875-Velikovsky1" target="_blank">[20]</a>. (C) Superimposition of VLRC and the lamprey VLRA.R2.1-HEL complex <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0085875#pone.0085875-Deng1" target="_blank">[22]</a>. Arrows indicate protruding loops located in the LRRCT of VLRA and VLRB.</p>