...but not in transfected NIH3T3 mouse fibroblasts, which do not express SOX2, POU5F1, or NANOG ( Fig. 4B ). Furthermore, while most of the SOX2-IP’d DNAs aligned with genomic regions enriched for H3K4me3, the distal elements tended to do so only in ES cells, but not in NP cells
or MEFs ( Fig. 4C ; Supplemental Fig. 3...