Contributes to peptide binding activity and protein farnesyltransferase activity. Involved in several processes, including positive regulation of cell cycle; positive regulation of cell population proliferation; and positive regulation of nitric-oxide synthase biosynthetic process. Predicted to be part of microtubule associated complex and protein farnesyltransferase complex. Orthologous to several human genes including CHURC1-FNTB (CHURC1-FNTB readthrough). [provided by Alliance of Genome Resources, Apr 2022]