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Backbone traces from representative structures from the Bayes' ensemble. A and B, Cα atoms of residues 291 and 322 are denoted as green spheres. Two structures have Cα–Cα interatomic distances that are consistent with disulfide bond formation between residues 291 and 322. The structures shown in A and B have Cα–Cα distances of 5.4 and 6.6 Å, respectively. C and D, two structures from the Bayes' ensemble place the PHF6* (red) and PHF6 (yellow) in extended conformations.
