ChIP was performed as previously described (34 (link)). Immunoprecipitated DNA was quantified by polymerase chain reaction (PCR) using the Syber Green mix (Kapa) and all precipitations, except for those performed on histones and histone modifications, were compared to signals at the H27 site in the 45S rDNA (35 (link)) or to the actin promoter. The primer pairs used are given in the Supplementary Information (Supplementary Tables S2 and S3). Antibodies used were WSTF (Abcam), SNF2h (Abcam), RNA pol III (kind gift from Dr. Henry and from Abcam), TFIIIA (Abcam), TFIIIC220C (Santa Cruz and Abcam), Brf1 (Abnova and Abcam), GCN5 (Abcam), PCAF (Abcam), p300 (Abnova), TRRAP (Santa Cruz), c-Myc (Santa Cruz and Abcam), Max (Santa Cruz and Abcam), RNA pol II CTD (Abcam), H3-Ac, H3K9-Ac, H3K14-Ac, H3K27-Ac, H3K4-me3, H3K9-me3, H3K27-me3, H4, H4K8-Ac and H4K16-Ac (Abcam).
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