EUCOMM-projects HEPD0714_1_B05 targeted mutation 1a, Helmholtz Zentrum Muenchen GmbH HEPD0714_1_G05 HEPD0714_1_C08 http://identifiers.org/mgd/MGI:4949340 Git2<tm1a(EUCOMM)Hmgu> MGI:4949340