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(A) An Fobs-Fcalc omit map of α2β82CA82β in which the cinnamyl crosslinker has been omitted from the model refinement. The contour level is 4.0 σ. (B) An Fobs-Fcalc omit map of α2β82ND82β in which the napthalenyl crosslinker has been omitted from the model refinement. The contour level is 3.5 σ.
