Abstract

Variability in the quality of antibodies to histone post-translational modifications (PTMs) presents widely recognized hindrance in epigenetics research. Here, by using antibody engineering technologies we produced recombinant antibodies directed to the trimethylated lysine residues of histone H3 with high specificity and affinity and no lot-to-lot variation. These recombinant antibodies performed well in common epigenetics applications, and their high specificity enabled us to identify positive and negative correlations among histone PTMs.

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