Gene beta-cell E-box transactivating factor 4 http://identifiers.org/mgd/MGI:2153710 BETA4 protein coding gene genetic mapping - Bhlhb4 Bhlhe23 MGI:2153710 A930001L02Rik beta-cell E-box transactivating factor 4|A930001L02Rik|Bhlhb4|BETA4 O basic helix-loop-helix family, member e23