Chicken erythrocyte histones were separated by triton-acetic acid-urea polyacrylamide gel electrophoresis. (1) non-treated and (2) Sodium butyrate (5 mM) treated. Each lane contained 20 ug of total protein. PVDF membrane was probed with mouse monoclonal antibody (ICP0390), which was further detected with goat anti-mouse HRP secondary antibody.
Immunofluorescent staining of mouse tissue with ICP0390.
DNA transcription cannot take place unless DNA is unwound from the nucleosomes. The cell unwinds the DNA by acetylating lysine residues within the proteins. It has been suggested that acetylation of non-histone proteins (e.g., transcription factors) and histones may be involved. Acetylation of these proteins may result in signal transduction within the chromatic domains.
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