HEPD0826_8_E08 http://identifiers.org/mgd/MGI:5437899 MGI:5437899 Spidr<tm2e(EUCOMM)Hmgu> HEPD0826_8_B08 HEPD0826_8_F06 targeted mutation 2e, Helmholtz Zentrum Muenchen GmbH EUCOMM-projects