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Correspondence between the bistable protofilament model and switch interactions in 2R/9L (a), 4R/7L (b), and 5R/6L (c). Colored circles represent 11 protofilaments; L-type (blue) or R-type (red) protofilament interfaces were assigned based on the model. Numbers represent the probability in percentage that at least one of the switch interactions is formed between the pairs of protofilaments consisting of the middle 22 subunits during the simulations.
