nuri77The nuclear receptor Nur77 (also known as TR3 or NGFI-B), encoded by the immediate early gene Nr4a1, belongs to the steroidthyroidretinoid superfamily (Hazel et al.,Generation 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