K562
Genomic DNA (gDNA) of  K562 was extracted using the QIAGEN DNeasy Blood and Tissue Kit (QIAGEN) following the mammals instructions. The gDNA of K562 cells was submitted to the Novogene Company for ONT library construction and sequencing on Oxford Nanopore PromethION 48 (Oxford Nanopore Technologies; R9.4.1). The mean length of read is around 10 kb.