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Figure 4
Secondary-structural changes during the U-to-B transition. (a) The change in percentage composition between the two states (B – U) for the secondary-structural elements (helix, H; strand, S; turn, T; irregular, C) for the cases with Euclidean distances between the two sets of compositions of >5. (b) Percentage composition of 224 residues showing the C/T to H/S transition, categorized into the extension of an already existing helix/strand (EH and ES) or the formation of a new helix/strand (FH and FS).

IUCrJ
Volume 2| Part 6| October 2015| Pages 643-652
ISSN: 2052-2525
doi:10.1107/S2052252515015250