Among them are IKBL, BAT2, CTLA4, PADI4, TNFAIP3, CD40, BDKR1, and CCL1. The ranks of these potential RA genes by gene score are 145, 19, 421, 1550, 666, 1951, 2348, and 69, respectively. The gene discussed is PADI4; the disease is rheumatoid arthritis.