title: GSM5093519: D7 ES Control ChIP-seq CTCF; Mus musculus; ChIP-Seq
library_construction_protocol: Nuclei chromatin was prepared from the cells crosslinked with 1% formaldehyde and sheared by sonication. CTCF ChIP was performed using CTCF antibody (Cell Signaling, #2899S). Library construction was performed using  NEBNext Ultra II DNA Library Prep Kit for Illumina (E7645S) for Illumina.