RM186 specifically recognizes Histone H3 unmodified at Lys4 and does not recognize acetylated, mono- methylated, dimethylated, or trimethylated Lys4. The antibody binding specificity allows for modifications of Arg2 or Thr3 in histone H3.
Western Blot of acid extracts of HeLa cells treated withsodium butyrate (HeLa+NaBu), treated with Nocodazole (HeLa+Noc), or non-treated; and recombinant histone H3.1 protein, using RM186 at 1 ug/mL, showed a band of histone H3 with unmodified Lys4.
Immunocytochemical staining of HeLa cells treated with sodium butyrate, using anti-Acetyl-Histone H3 (Unmodified Lys4) Rabbit Monoclonal Antibody (clone RM186) (red). Actin filaments have been labeled with fluorescein phalloidin (green).
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