HEPD0555_4_E01 http://identifiers.org/mgd/MGI:4435238 Bub1b<tm1a(EUCOMM)Hmgu> MGI:4435238 HEPD0555_4_B04 targeted mutation 1a, Helmholtz Zentrum Muenchen GmbH HEPD0555_4_F02 HEPD0555_4_H02 HEPD0555_4_E02 HEPD0555_4_F03 HEPD0555_4_H03 EUCOMM-projects