Figure 1. ChIP results obtained with the Diagenode antibody directed against CBX2
ChIP assays were performed using K562 cells, the Diagenode antibody against CBX2 (Cat. No. C15410339) and optimized PCR primer sets for qPCR. ChIP was performed with the “iDeal ChIP-seq” kit (cat. No. C01010055), using sheared chromatin from 4 million cells. A titration consisting of 1, 2 and 5 μg of antibody per ChIP experiment was analyzed. IgG (2 μg/IP) was used as a negative IP control. Quantitative PCR was performed with primers for the ARNTL2 gene, used as positive control, and for the promoter of the GAPDH gene, used as negative control. Figure 1 shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).