Nicholas G Fox, Xiaodi Yu, Xidong Feng, Henry J Bailey, Alain Martelli, Joseph F. Nabhan, Claire Strain-Damerell, Christine Bulawa, Wyatt W. Yue, Seungil Han; bioRxiv 561795; doi: 10.1101/561795
Our structure sheds light on how FXN facilitates ISC production through unlocking the zinc inhibition and stabilizing key loop conformations of NFS1 and ISCU at the protein-protein interfaces, and offers an explanation of how FRDA clinical mutations affect complex formation and FXN activation.
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