G1L http://identifiers.org/mgd/MGI:2388309 transgene insertion 2, Mark E Gurney Transgene O Tg(SOD1-G93A)2Gur|G1L|hMg-SOD1(G93A)|G1 Tg(SOD1-G93A)2Gur MGI:2388309 hMg-SOD1(G93A) Tg(SOD1*G93A)2Gur G1 syntenic transgene