Contact: Diana Lutz
Washington University in St. Louis
Caption: The double-sided interaction domain may allow multi-protein chains to form. In Korasick's crystal, five of the ARF7 PB1 domains stuck to one another, forming a pentamer. "It was really beautiful to look at in the software, because you could actually see its spirals and turns," said Korasick.
Credit: Strader, Jez et al.
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