EPD0019_1_D09 Chd7<tm2e(EUCOMM)Wtsi> EPD0019_1_G08 EPD0019_1_C08 EPD0019_1_B08 EPD0019_1_C07 MGI:4431686 EUCOMM-projects http://identifiers.org/mgd/MGI:4431686 targeted mutation 2e, Wellcome Trust Sanger Institute EPD0019_1_D08 EPD0019_1_E08 EPD0019_1_A07