A tubulin promoter drives expression of EGFP tagged with the micro RNA (mir-2b-2, mir-6 and mir-11) target sequence from the grim gene 3' UTR (GCUCAAUCAAAGCGCAUUGUGAUU) in its 3' UTR. The sequence UGUGAU creates an 6mer 'seed' site.
Addition of a grim 3'UTR.