The function of ENSG00000101191 (DIDO1, death inducer-obliterator 1) is as follows. Putative transcription factor, weakly pro-apoptotic when overexpressed (By similarity). Tumor suppressor. Required for early embryonic stem cell development. {ECO:0000250, ECO:0000269|PubMed:16127461}. [Isoform 2]: Displaces isoform 4 at the onset of differentiation, required for repression of stemness genes. .