MGI:3526159 Mtrr<Gt(XG334)Byg> http://identifiers.org/mgd/MGI:3526159 Mtrr<Gt(pGT1Lxf)1Rgma> Mtrr<Gt(pGT1Lxf)1Ucd> gene trap XG334, BayGenomics Mtrr<gt>