Figure 1.
(A) Amino acid sequence of Transactive response DNA-binding protein 43 (TDP-43). The fragment of 102–269 (RRM12) used in this study is overlined. The amino acids, which are able to chelate zinc ions are highlighted: in light blue – Glu, in green – Cys and in grey – His. Image was generated using Protein Sequence Analysis Tool54. (B) Domain organization of TDP-43: NTD – N-terminal domain; NLS – nuclear localization signal; RRM1 (106–177 a.a.) and RRM2 (192–259 a.a.) – RNA-recognition domains; NES – nuclear export signal.