HEPD0808_4_G06 HEPD0808_4_A05 EUCOMM-projects targeted mutation 2a, Helmholtz Zentrum Muenchen GmbH http://identifiers.org/mgd/MGI:5511700 Sh2d1b1<tm2a(EUCOMM)Hmgu> MGI:5511700 HEPD0808_4_B08 HEPD0808_4_D08