MGI:4842328 EPD0631_4_E07 EPD0631_4_D07 EPD0631_4_H05 EPD0631_4_G07 EPD0631_4_A07 EUCOMM-projects http://identifiers.org/mgd/MGI:4842328 targeted mutation 1e, Wellcome Trust Sanger Institute EPD0631_4_G05 Btf3<tm1e(EUCOMM)Wtsi> EPD0631_4_F06