EPD0094_1_G10 EPD0094_1_F12 EPD0094_1_H11 EPD0094_1_C11 EPD0094_1_E12 targeted mutation 1a, Wellcome Trust Sanger Institute Mmp21<tm1a(KOMP)Wtsi> http://identifiers.org/mgd/MGI:4362300 EPD0094_1_B12 EPD0094_1_F11 EPD0094_1_A12 EPD0094_1_C10 MGI:4362300 KOMP-CSD-Project EPD0094_1_C12