MGI:3851973 Tg(Myh6-Mapk8*,Myh6-Mapk9*)22.4Jmol JNK1/2dn http://identifiers.org/mgd/MGI:3851973 O Transgene transgene insertion 22.4, Jeffery D Molkentin transgene dnJNK1/2 JNK1/2dn|dnJNK1/2