Predicted to enable K63-linked polyubiquitin modification-dependent protein binding activity and zinc ion binding activity. Predicted to be involved in positive regulation of I-kappaB kinase/NF-kappaB signaling. Is expressed in several structures, including adrenal gland; gonad; liver; lung; and spleen. Orthologous to human TAB3 (TGF-beta activated kinase 1 (MAP3K7) binding protein 3). [provided by Alliance of Genome Resources, Apr 2022]