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Zinc‐binding motifs within DNA‐binding domains. The zinc atom and side‐chain ligands to the zinc are represented by ball‐and‐stick models. (A) Second zinc finger from ZIF268 mouse intermediate protein (PDB entry 1zaa). (B) Elongation factor TFIIS (PDB entry 1tfi) (C) Zn2Cys6 binuclear cluster from GAL4 (PDB entry 1d66). (D) GATA‐1 chicken erythroid transcription factor (PDB entry 1gat). (E) DNA‐binding module from the glucocorticoid receptor (PDB entry 1gdc).
