EUCOMM-projects EPD0631_4_B05 MGI:4842802 EPD0631_4_E06 http://identifiers.org/mgd/MGI:4842802 EPD0631_4_D06 EPD0631_4_C06 EPD0631_4_B06 EPD0631_4_C07 EPD0631_4_G08 Btf3<tm1a(EUCOMM)Wtsi> targeted mutation 1a, Wellcome Trust Sanger Institute