Predicted to enable protein kinase binding activity and protein serine/threonine kinase activator activity. Predicted to be involved in positive regulation of peptidyl-serine phosphorylation. Located in mitochondrion. Is expressed in several structures, including alimentary system; brain; genitourinary system; hemolymphoid system gland; and liver and biliary system. Orthologous to several human genes including MTCP1 (mature T cell proliferation 1). [provided by Alliance of Genome Resources, Apr 2022]