Gene SREBP2 Srebf2 nuc|lop13|SREBP2|SREBP-2|bHLHd2|SREBP2gc protein coding gene nuc + lop13 http://identifiers.org/mgd/MGI:107585 O bHLHd2 MGI:107585 SREBP-2 SREBP2gc genetic mapping sterol regulatory element binding factor 2