A construct with a docking site for recombinase-mediated cassette exchange (RMCE) contained (5' to 3') an attP site, loxP site, FRT site, splace acceptor, T2A cleavage site, tau/lacZ/flag reporter cassette, FRT site, neo cassette, attP site, PGK promoter and FRT site, was inserted into intron 2. (J:264526)