Enables acetylcholine receptor regulator activity; protein prenyltransferase activity; and receptor tyrosine kinase binding activity. Acts upstream of or within neurotransmitter receptor metabolic process. Predicted to be part of CAAX-protein geranylgeranyltransferase complex; microtubule associated complex; and protein farnesyltransferase complex. Predicted to be active in cytoplasm. Is expressed in several structures, including adipose tissue; alimentary system; brain; hemolymphoid system gland; and reproductive system. Orthologous to human FNTA (farnesyltransferase, CAAX box, alpha). [provided by Alliance of Genome Resources, Apr 2022]