The function of ZNF777 (zinc finger protein 777, Ensembl gene identifier ENSG00000196453) is as follows. May be involved in transcriptional repression (PubMed:31856708). Inhibits cell proliferation through CDKN1A/p21 induction by down-regulation of NIBAN1/FAM129A at low cell density (PubMed:25560148). {ECO:0000269|PubMed:25560148, ECO:0000269|PubMed:31856708}.