Enables 6-phosphofructokinase activity and identical protein binding activity. Acts upstream of or within several processes, including glycogen catabolic process; glycolytic process through glucose-6-phosphate; and positive regulation of insulin secretion. Located in cytosol and sperm principal piece. Is expressed in several structures, including alimentary system; cardiovascular system; central nervous system; genitourinary system; and musculoskeletal system. Used to study glycogen storage disease VII. Human ortholog(s) of this gene implicated in glycogen storage disease VII. Orthologous to human PFKM (phosphofructokinase, muscle). [provided by Alliance of Genome Resources, Apr 2022]