EUCOMM-projects EPD0021_2_H05 EPD0021_2_D06 targeted mutation 1e, Wellcome Trust Sanger Institute EPD0021_2_F05 Sf3a1<tm1e(EUCOMM)Wtsi> EPD0021_2_B04 EPD0021_2_E06 MGI:4433362 http://identifiers.org/mgd/MGI:4433362