SRX1299429 SRA250443 H4K20me1_N2_L3_Rep2_spike-in_ChIPSeq;_Caenorhabditis_elegans;_ChIP-Seq H4K20me1_N2_L3_Rep2_spike-in_ChIPSeq;_Caenorhab... H4K20me1 Abcam (ab9051)|whole worms H4K20me1 Abcam (ab9051) N2|whole worms|L3 N2 ChIP-Seq