alpha-cre MGI:3052668 O transgene alpha-cre|Tg(Pax6-cre,-GFP)2Pgr transgene insertion 2, Peter Gruss Tg(Pax6-cre,-GFP)2Pgr Transgene Tg(Pax6-cre,GFP)2Pgr http://identifiers.org/mgd/MGI:3052668