Predicted to enable EP4 subtype prostaglandin E2 receptor binding activity and ubiquitin ligase-substrate adaptor activity. Involved in positive regulation of inflammatory response. Acts upstream of or within negative regulation of MAP kinase activity and negative regulation of inflammatory response. Located in mitochondrion. Is expressed in several structures, including blastocyst; central nervous system; genitourinary system; retina; and spleen. Orthologous to human FEM1A (fem-1 homolog A). [provided by Alliance of Genome Resources, Apr 2022]