Tg(Arr2/Pbsn-FGFR1K656E)W MGI:3039371 ARR2PBi-caFGFR1 Tg(Arr2/Pbsn-FGFR1K656E)1Wmck transgene insertion 1, Wallace L McKeenan Inserted expressed sequence http://identifiers.org/mgd/MGI:3039371