targeted mutation 1a, Wellcome Trust Sanger Institute EPD0199_1_D01 EPD0199_1_G04 MGI:4362283 EPD0199_1_B01 EPD0199_1_F03 Conditional ready|Null/knockout|Reporter EPD0199_1_D03 EPD0199_1_C01 Sumf1<tm1a(KOMP)Wtsi> http://identifiers.org/mgd/MGI:4362283 KOMP-CSD-Project EPD0199_1_E02 EPD0199_1_G02