... inwards, the arms close and the tips of the arms wrap around the DNA. The amplitudes and time scales of the intramolecularmotions experienced by the protein backbone are com-monly determined from the 15N-NMR ... superposition of the secondary structure backbone atoms of each snapshoton those of the mean snapshot. The mean structure is takenas the most central structure among the simulated ones, and corresponds ... composed of Leu8,His16, and Gly17, is present in seven structures, and another antiparallel b-bulge (B2), composed of Val57,Glu87, and Arg88, is observed for all the structures. The secondary structure...