targeted mutation 1e, Helmholtz Zentrum Muenchen GmbH HEPD0760_8_F02 HEPD0760_8_A04 HEPD0760_8_F04 Rev3l<tm1e(EUCOMM)Hmgu> MGI:5294090 HEPD0760_8_A03 http://identifiers.org/mgd/MGI:5294090 EUCOMM-projects