MGI:3716426 transgene Tg(Ckm*-Mstn)1Nfg MCK-3E/Ms transgene insertion 1, Nestor F Gonzales-Cadavid Transgene MCK-3E/Mst|MCK-3E/Ms O MCK-3E/Mst http://identifiers.org/mgd/MGI:3716426