N10 Gfrp + Gene Nr4a1 Hbr-1 MGI:1352454 Nur77 NGFI-B NP10 O TIS1|N10|Hbr-1|GFRP1|TR3|Nur77|Hbr1|NP10|NGFI-B|Gfrp|Hmr nuclear receptor subfamily 4, group A, member 1 protein coding gene http://identifiers.org/mgd/MGI:1352454 TR3 Hmr TIS1 Hbr1 GFRP1 genetic mapping