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Figure 2
Arginine-stacking interactions stabilize a tetrameric FIP2 assembly. (a) The FIP2 tetramer in the lattice that is related by a twofold crystallographic axis. The axis runs through the middle of a stack of arginine residues that enable oligomerization into a four-helix bundle. (b) A view of the eight arginine residues from the four α-helices. The view is a close-up of the transparent ellipse in (a). (c) A section of the electron density (2Fo − Fc, 1.5σ) within the region comprising the arginine-stacking interactions.

Journal logoSTRUCTURAL BIOLOGY
COMMUNICATIONS
ISSN: 2053-230X
Volume 76| Part 8| August 2020| Pages 357-363
https://doi.org/10.1107/S2053230X20009164
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