... dis-tribution of the energy between the overall tumblingand the internal mobility, and is indicative of thedegree of internal restraint of each15N–1H vectormotion. In Fig. 4, most of the points ... occurrence of eithera kinking or tightening of the local geometry. Asimilar discontinuity had been noted in solution also in the Antp HD [8,9] and the Antp (C39S) HD [10],and indeed, originally, ... only within helix III,but also over a large portion of the protein, from Phe8to Met56, including the loop and the tight turn. At thesame time, in the vicinity of the Arg53 hinge point,precisely...