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Figure 2
The IBD octamer viewed along two perpendicular twofold axes. Pairs of domain-swapped dimers assemble into tightly packed tetramers AB/EF and CD/GH (right). The two tetramers associate less strongly via contacts between the N-terminal helices of chains B, D, F and G.

Journal logoSTRUCTURAL BIOLOGY
COMMUNICATIONS
ISSN: 2053-230X
Volume 74| Part 3| March 2018| Pages 143-149
https://doi.org/10.1107/S2053230X18001553
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