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Left: top view of the dArc1 dimer (gray); the two monomers are highlighted by ellipsoids in light gray. The superposed structures on the CL dimer and the two NL domains are indicated, and include dArc2-NL monomer (pink; this work), dArc1-CL dimer (blue; this work), dArc2-CL dimer (orange; this work), and hArc-NL (green) complexed with the Stg ligand peptide (red) [17]. Right, the same structures viewed from the side of the dArc1 dimer.
