protein coding gene hairy/enhancer-of-split related with YRPW motif 2 Hrt2 Gene Hey2 O bHLHb32 Herp1 MGI:1341884 genetic mapping Hesr2 - bHLHb32|CHF1|Herp1|Hesr2|Hrt2 CHF1 http://identifiers.org/mgd/MGI:1341884