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Figure 4.
Fig. 4. (left). Architecture of integrin and G protein
interfaces. The nucleotidebinding folds are in green, and the
propellers are in gray. The integrin is shown in (A) and (B) and
the G protein in (C) and (D). The helices at the core of each
interface are indicated. Integrin's Arg261 and G protein's
Lys210 project toward the respective propeller's central cavity.
G  (Ala^30-Leu348)
and G  (Ser2-Asn340)
are shown. G protein coordinates were from (33).
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