genetic mapping OTTMUSG00000020804 OTTMUSG00000020804|Heatr7b1|ENSMUSG00000044873 Gene MGI:3705228 http://identifiers.org/mgd/MGI:3705228 O protein coding gene maestro heat-like repeat family member 2A ENSMUSG00000044873 + Mroh2a Heatr7b1