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Structure of J1. (A) Stereo view of the J1 family of 20 lowest-energy structures. Structures were superimposed over the backbone heavy atoms (N, Cα, and C) of residues 9 to 17, as determined by their well-defined angular order parameters. (B) Stereo view of the closest-to-average structure in the family, showing all side chains in black and the backbone in gray.
