This gene produces a long non-coding RNA that is localized to the nuclear matrix. This RNA contains repeated sequence motifs that mediate interactions with heterogeneous nuclear ribonucleoprotein U (hnRNPU). Loss of expression of this locus disrupts three-dimensional chromosomal associations. Alternative splicing results in multiple splice variants, though the full length nature of these variants is not known. [provided by RefSeq, Mar 2015]