Number of open chromatin sites in human tracheal epithelial cells and the six other cell types that were used for comparison
| DNase-seq cell lines | Number of open chromatin sites |
| HTE (human tracheal epithelial cell) | 153 504 |
| FibroP (normal fibroblast from patients with Parkinson's) | 139 663 |
| GM12878 (lymphoblastoid) | 124 321 |
| HeLa-S3 (cervical carcinoma) | 141 165 |
| HepG2 (liver carcinoma) | 115 765 |
| HUVEC (human umbilical vein endothelial cell) | 126 284 |
| NHEK (normal human epidermal keratinocyte) | 140 520 |
DNase-seq, DNase I hypersensitivity mapping followed by deep sequencing.