Spcs2<tm1a(EUCOMM)Hmgu> HEPD0833_3_D04 EUCOMM-projects http://identifiers.org/mgd/MGI:5435777 MGI:5435777 targeted mutation 1a, Helmholtz Zentrum Muenchen GmbH HEPD0833_3_C04 HEPD0833_3_H02