MGI:3050871 Tg(MMTV-Erbb2)NK1Mul MMTV c-neu HER-2/neu TG.NK Inserted expressed sequence MMTV-c-neu Tg(MMTV-Erbb2)1Led MMTV-Tg.NK http://identifiers.org/mgd/MGI:3050871 MMTV-neu transgene insertion NK1, William Muller MMTV-erbB2