Chromatin was prepared and immunoprecipitation was undertaken according to protocols described previously (Sofueva et al. 2013 (link)). Sonication was performed in 0.7% SDS using a Diagenode Bioruptor (maximum power 30 sec on and 30 sec off for 45 min). Pull-down was undertaken using Dynabead protein G sepharose beads (Thermo Scientific) conjugated with 10 µL of ChIP-grade antibody (anti-FoxG1 [Abcam, ab18259] and anti-V5 [Abcam, ab15828]) diluted in 250 µL of buffer.
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