Sar1b<tm1(KOMP)Vlcg> MGI:5051442 17681A-E4 17681A-H8 17681A-D3 17681A-H7 targeted mutation 1, Velocigene 17681A-E5 KOMP-Regeneron-Project 17681A-G1 http://identifiers.org/mgd/MGI:5051442