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CRTAM structure. A) Ig-V domains in the CRTAM homodimer are organized in an antiparallel manner. Ig-V domains are in blue and grey, with their interface residues colored in red and green, respectively. Strands of the Ig-V domains are labeled according to convention and stick models illustrate the interface residues. B) Blow-up of the interface. Dashed lines represent hydrogen bonds.
