transgene insertion 2, Eric N Olson delta155-217 delta155-217|Tg(Pr2x1-Hand2)2Eno transgene O Tg(Prrx1-Hand2)2Eno Transgene Tg(Pr2x1-Hand2)2Eno http://identifiers.org/mgd/MGI:2652061 MGI:2652061