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. 2022 Jan 11;12:781960. doi: 10.3389/fmicb.2021.781960

Figure 4.

Figure 4

Ring-Building Motif (RBM)3 induces oligomerization of the RBM1-RBM2 construct. (A) Schematic representation of the experiment. RBM1-RBM2 (FliF50–229) was mixed with RBM3 (FliF231–438) oligomers and imaged by negative stain EM. (B) Negative stain electron micrograph of the RBM3 and RBM1-RBM2 mixture. Ring-like structures, representative ofRBM3alone, are visible, as well as tubular structures that are likely composed of stacks RBM1-RBM2-RBM3 rings.