+ Nscl-2 O bHLHa34 Nhlh2 Hen2 nescient helix loop helix 2 protein coding gene 6230401I09Rik http://identifiers.org/mgd/MGI:97324 genetic mapping Gene NSCL2|6230401I09Rik|Hen2|Nscl-2|bHLHa34 MGI:97324 NSCL2