SRR372771 GSM831520_1 SRX107376 GSM831520: shield_ChIPSeq_H3K4me3 SRR372772 GSM831521_1 SRX107377 GSM831521: shield_ChIPSeq_H3K27me3 SRR372773 GSM831522_1 SRX107378 GSM831522: shield_ChIPSeq_WholeCellExtract