UASt regulatory sequences drive expression of the Hsap\IRF2BPL open reading frame. The endogenous stop codon is present, thus even though three copies of the Tag:HA tag are present downstream of the ORF, they are not expected to form part of the translated protein. The ORF (originally amplified from the unknown clone) has been mutated; carries p.N701Tfs*66, a frameshift mutation starting at amino acid residue 701.