http://identifiers.org/mgd/MGI:3053712 transgene Tg(HBB-TNF)197Gkl hTNFtg O Transgene Tg(TNF)197Gkl transgene insertion 197, George Kollias Tg197 hTNFtg TTg1006|hTNFtg|Tg197|Tg(HBB-TNF)197Gkl|Tg197 hTNFtg MGI:3053712 TTg1006 Tg197