title: GSM5225262: CTCF G1E-ER4+E2 [377]; Mus musculus; ChIP-Seq
library_construction_protocol: Lysates were prepared from sonicated nuclei and protein-DNA complexes were isolated with antibody. ChIP-seq samples were prepared by end repair, 3' adenylation, and adaptor ligation using Illumina's TruSeq ChIP-seq Sample Preparation Kit.