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. 2014 Mar 21;1(1):10. doi: 10.1186/s40580-014-0010-x

Figure 1.

Figure 1

Structure and polymorphic transformation of flagellar filaments. (a) Single flagellin monomer and arrangement of the monomers in the filament [20]. Reprinted with permission from ref. 20, Copyright © 2006, Elsevier. (b) Bacterial flagellar filament polymorphic forms, shown in a curvature vs. twist plot. There are two straight forms, L (Left) and R (Right), and 10 helical forms. Of the named helical forms, normal and coiled are left-handed and the others are right-handed [21,22]. Reprinted with permission from ref. 21, Copyright © 1998, Elsevier.