HEPD0574_2_C01 HEPD0576_9_B04 HEPD0574_2_D04 targeted mutation 1e, Helmholtz Zentrum Muenchen GmbH HEPD0574_2_A01 Gabrb3<tm1e(EUCOMM)Hmgu> MGI:4434589 EUCOMM-projects HEPD0576_9_G05 HEPD0574_2_E04 http://identifiers.org/mgd/MGI:4434589 HEPD0576_9_E05