
Keywords: Friedreich's ataxia; Conformational dynamics; Backbone motions; Protein engineering; CPMG; Carr-Purcell-Meiboom-Gill; CTR; C-terminal region; FXN; frataxin; hnNOE; heteronuclear 1H-15N NOE; HSQC; heteronuclear single quantum coherence; Rex; contribu