Recombinase Tg(Grik4-Cre)G32-4Stu http://identifiers.org/mgd/MGI:2387441 KA-cre KA1-Cre G32-4 Cre Grik4-Cre Tg(Grik4-cre)G32-4Stl MGI:2387441 transgene insertion G32-4, Susumu Tonegawa