title: ChIP-preB-RPA-LIG4-53BP1-cycling-AsiSI
design: Cells were fixed with 1% paraformaldehyde followed by quenching with 0.125 glycine and sonication. Chromatin fragments were then immunoprecipitated with the antibody Calbiochem, RPA34-20 following the protocol described in the manuscript. Immunoprecipitates were processed following Illumina’s protocol and sequenced on a Illumina Hiseq2000 (50bp single end reads)