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. 2007 Aug 9;26(17):3993–4004. doi: 10.1038/sj.emboj.7601827

Figure 1.

Figure 1

Structure of IgFLNa19–21. (A) Ribbon diagram of the asymmetric unit of the crystals containing two molecules of IgFLNa19–21, IgFLNa19 (yellow), IgFLNa20 (red) and IgFLNa21 (green). The N- and C-termini of molecules A and B are marked as well as β-strands G, F and C of IgFLNa21 in chain A. Scale bar in the bottom right, 25 Å. (B) The same structure as in panel A, now colored according to the calculated total atomic temperature factor (B-factor) values of Cα atoms. The range of B-factor values is from 11 to 143 A2; blue color indicates the lowest values (11–49 Å2), green and yellow higher values (50–79 Å2) and orange and red the highest values (80–143 A2). (C) Ribbon diagram of the isolated IgFLNa20 in the context of IgFLNa19–21. The three-stranded CFG β-sheet that is well ordered in the structure is labeled. Note that β-strand D partially interacts with this sheet. The two disordered loops (BC and DE) absent from the model are arbitrarily indicated with dashed lines. (D) Superimposition of IgFLNa19 (yellow) and IgFLNa21 (green) in the same orientation as panel C.