Tg(Tnnt2-rtTA,tetO-cre)1Wtp Transgene iTNT-cre transgene MGI:3851370 http://identifiers.org/mgd/MGI:3851370 transgene insertion 1, William T Pu O iTNT-cre|Tg(Tnnt2-rtTA,tetO-cre)t26Bz|TNT-icre Tg(Tnnt2-rtTA,tetO-cre)t26Bz TNT-icre