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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: J Struct Biol. 2015 Sep 28;192(2):255–261. doi: 10.1016/j.jsb.2015.09.011

Fig. 4.

Fig. 4

Secondary structure detection based on characteristic density patterns. (A) The density map (gray) extracted from EMDB 1733 (6.8 Å resolution) superimposed on its atomic model (cyan; PDB 3C91_H), using the model as a mask. (B) The detected helices (represented as red sticks) and two b-sheets (green density), using SSETracer (Si and He, 2013) and the skeleton (pink) using SkelEM (Al Nasr et al., 2013). (C) The best of the top ten sets of detected b-traces (red lines) using StrandTwister (Si and He, 2014a) are superimposed with the backbone of the b-strands and the density map (gray) of EMDB ID 2165 and PDB ID 4B4T_1 sheet C. Figs. 4 and 5 were created using Chimera (Pettersen et al., 2004).