MGI:2652060 dHAND transgene insertion 1, Eric N Olson O Transgene Tg(Prrx1-Hand2)1Eno Tg(Pr2x1-Hand2)1Eno transgene http://identifiers.org/mgd/MGI:2652060 dHAND|prx-dHAND|Tg(Pr2x1-Hand2)1Eno prx-dHAND