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IscR from T. potens is structurally similar to other winged-helix transcriptional regulators. Superposition of apo-IscRTp monomer (green) with (A) free E. coli apo-IscR C92/98/104A (blue; PDB ID code 4HF0) and (B) free B. subtilis CymR (magenta; PDB ID code 2Y75) highlighting the overall structural conservation.
