Involved in T cell receptor signaling pathway and positive regulation of T-helper 17 cell differentiation. Acts upstream of or within inflammatory response. Located in nucleus. Is expressed in early conceptus; eye; and genitourinary system. Used to study Stevens-Johnson syndrome and atopic dermatitis. Orthologous to human NFKBIZ (NFKB inhibitor zeta). [provided by Alliance of Genome Resources, Apr 2022]