Immunogen sequence: PSLAQSPLKL FPSQATHQLG EGESYSMPTA FPGLAPTSPH LEGSGILDTP VTSTKARSGA PGGSEGRCAV CGDNASCQHY GVRTCEGCKG FFKRTVQKNA K; Positive Samples: Rat lung; Cellular Location: Cytoplasm, Nucleus. NR4A1 is a member of the steroid-thyroid hormone-retin