targeted mutation 2a, Wellcome Trust Sanger Institute Prdm1<tm2a(EUCOMM)Wtsi> MGI:5050950 EUCOMM-projects EPD0794_5_F04 EPD0794_5_A01 EPD0794_5_F03 http://identifiers.org/mgd/MGI:5050950 EPD0794_5_D04 EPD0794_5_F02 EPD0794_5_H03