HEPD0704_6_H04 targeted mutation 1e, Helmholtz Zentrum Muenchen GmbH EUCOMM-projects Spry2<tm1e(EUCOMM)Hmgu> HEPD0704_6_B03 http://identifiers.org/mgd/MGI:4888896 HEPD0704_6_D02 MGI:4888896