targeted mutation 1a, Wellcome Trust Sanger Institute http://identifiers.org/mgd/MGI:4431738 MGI:4431738 EPD0102_5_E08 EUCOMM-projects EPD0102_5_A09 EPD0102_5_F08 EPD0102_5_C07 Tubd1<tm1a(EUCOMM)Wtsi> EPD0102_5_E09