HEPD0923_7_H05 HEPD0923_7_B06 targeted mutation 2a, Helmholtz Zentrum Muenchen GmbH HEPD0923_7_B05 MGI:5516675 EUCOMM-projects http://identifiers.org/mgd/MGI:5516675 HEPD0923_7_E02 HEPD0923_7_C02 HEPD0923_7_C06 Cep76<tm2a(EUCOMM)Hmgu> HEPD0923_7_F01