Ldlrad4 O MGI:1277150 protein coding gene + D18Ertd653e|8230401C20Rik|A430108L08Rik|D330030L18Rik Gene low density lipoprotein receptor class A domain containing 4 D18Ertd653e 8230401C20Rik http://identifiers.org/mgd/MGI:1277150 A430108L08Rik D330030L18Rik genetic mapping