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Structural elements of the atomic models are indicated as follows: not visible in the model (red box), unstructured region (no box) and α-helix (yellow box). The sites of previously reported proteases cleavage and post-translational modifications of Htt1,21,23,27 are indicated as follows: acetylation (dark blue), palmitoylation (red), phosphorylation (green) and proteolytic cleavage (cyan).
