nuri77Nuclear receptor subfamily 4 group A member 1 (NR4A1; also termed Nur77TR3NGFIB), a member of the nuclear receptor superfamily, is expressed as an early response gene toGeneration of MCK-Nur77 mice and animal husbandry. The murine Nur77 coding sequence was PCR amplified and cloned into the EcoRI site of the pCK4800 plasmid (gift of Eric Olson).The