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. 2023 Nov 1;129(12):2014–2024. doi: 10.1038/s41416-023-02476-8

Fig. 2. In vitro binding of the H2B peptide.

Fig. 2

a In vitro binding of biotin-tagged H2B 10-amino acid peptide (H2BWTpep) and H2BMUT1pep (mutation of key amino acid) with COMMD4. Beads only lane is the negative control. b A COMMD4 pull-down demonstrating that pre-incubation with the 10-amino acid H2B peptide (H2BWTpep) inhibits the COMMD4-H2B interaction, while pre-incubation with the mutant peptide (H2BMUT1pep) which does not bind to COMMD4, maintains the COMMD4-H2B interaction. INPUT shows the loading. c Binding of overexpressed H2BWTpep (FLAG-H2BWT) and H2BMUT1pep (FLAG-H2BMUT1) with GST-COMMD4. FLAG-H2BWT and FLAG-H2BMUT1 were immunoprecipitated from HEK293T cells and the co-eluting proteins were immunoblotted with antibodies against GST-COMMD4 and FLAG. IgG heavy chain shows the loading.