title: GSM1150962: NELF-E shRNA-unstim; Homo sapiens; ChIP-Seq
library_construction_protocol: Cells were crosslinked with formaldehyde, washed twice with phosphate buffered saline and and nuclei isolated with hypotonic buffer and centrifugation. EMBO J. 25, 3596–3604. Samples were immunoprecipitated with rabbit-anti-RNA Pol II (N-20) antibody from Santa Cruz (catalog # sc-899). Illumina library preparation standard protocol