EPD0240_2_C11 Col2a1<tm1a(EUCOMM)Wtsi> EUCOMM-projects EPD0240_2_D09 MGI:4434062 targeted mutation 1a, Wellcome Trust Sanger Institute EPD0240_2_F09 EPD0240_2_G11 http://identifiers.org/mgd/MGI:4434062