title: GSM5105433: B7P2KD_EtOH 3; Homo sapiens; OTHER
library_construction_protocol: Cells were washed with ice-cold PBS and lysed with NP-40 lysis buffer (Horibata S, et al., 2016). Nuclei were isolated and snap-frozen. Precision run-on sequencing libraries were prepared following PRO-seq protocol (Mahat DB et al., Nat Protoc. 2016).