ChIP assays were performed with H1299 cells in accordance with
standard protocols43 (link). Normal rabbit IgG served as the control. ChIP samples were
analyzed by quantitative real-time PCR using the FastStart Universal SYBR Green
Master (Roche). A standard curve was prepared for each set of primers using serial
titration of the input DNA. The percentage of ChIP DNA was calculated relative to
the input DNA from primer-specific standard curves using the Rotor-Gene 6000
Series Software 1.7. The primer sequences for ChIP are listed in Supplementary
Table 4. Antibodies used were: H4S1ph
(Abcam; ab14723), H4K5ac (Millipore; CS204381), H4R3me2a (Active Motif; 39705),
H4R3me2s (Abcam; ab5823), CK2α (Abcam; ab70774), H3K4me3 (Abcam; ab8580), and
H3K27me3 (Abcam; ab6002).
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