transgene insertion 1, Hitoshi Kikutani transgene Tg(TNFRSF5)1Kik http://identifiers.org/mgd/MGI:3687554 Tg(Igh-CD40)1Kik MGI:3687554 Transgene Tg hCD40 Tg(TNFRSF5)1Kik|CD40wt|Tg hCD40|CD40tg CD40tg O CD40wt