IFIH1 and psoriasis: In IFIH1, single marker association testing had identified two genome-wide significant psoriasis-associated protein-coding variants: the common rs1990760 (p.A946T; MAFcontrols = 0.38; P = 4.73 × 10−18; OR = 0.86) and the low-frequency rs35667974 (p.I923V; MAFcontrols = 0.02; P = 1.10 × 10−15; OR = 0.55).