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. Author manuscript; available in PMC: 2009 Nov 1.
Published in final edited form as: Structure. 2008 Nov 12;16(11):1702–1713. doi: 10.1016/j.str.2008.08.014

Figure 3.

Figure 3

Model-free backbone order parameters for AbrBN53, AbhN and SpoVTN. (A) Backbone order parameter (S2) vs. residue number for AbhN (black circles), AbrBN53 (red squares) and SpoVTN (blue diamonds). The positions of the α-helical and β-strand secondary structure, as well as loop regions defined in the text, are indicated schematically at the top. Error bars indicate the fitting errors. S2 varies between 0 and 1, with a value of 1 represents completely restricted motion. (B–D) S2 values plotted on the solution structures of (B) AbrBN53, (C) AbhN and (D) SpoVTN most similar to the average structure in the ensemble reported by THESEUS. LP1 and LP2 (chain A) and LP1′ and LP2′ (chain B) are noted, as well as the color scale of S2 order parameters ranging from >=0.9 (white) to <=0.6 (red). Proteins are oriented as depicted in Figure 1.