Automated description from the Alliance of Genome Resources (Release 7.0.0)
Acts upstream of or within inactivation of paternal X chromosome by genomic imprinting; negative regulation of transcription by RNA polymerase II; and transcription initiation-coupled chromatin remodeling. Is expressed in several structures, including early conceptus; liver; and retina nuclear layer. Orthologous to human TSIX (TSIX transcript, XIST antisense RNA).