(A) The KIR2DL2-Cw3 interface shows charged
complementarity. Basic and acidic residues are shown in dark blue
and red, respectively. (Reproduced from Ref. 93, with permission from Dr. Peter Sun and
Nature
Publishing Group.) (B) Shown is the top
view of the α1 and α2 domains of the HLA-Cw4
molecule bound to KIR2DL1. (Reproduced from Ref.
92, with permission from
Dr. Eric Long and Nature Publishing
Group.) (C) Activating and inhibitory
receptors are shown with their respective signaling motifs (ITIMs
and ITAMs) and signaling molecules with which they associate.
(Reproduced from Ref. 142,
with permission from Dr. David Margulies and Blackwell Publishing
Ltd.)