Predicted to enable double-stranded DNA binding activity. Involved in reciprocal meiotic recombination and synaptonemal complex assembly. Acts upstream of or within meiosis I cell cycle process; regulation of protein localization; and sperm chromatin condensation. Located in central element; male germ cell nucleus; and transverse filament. Is expressed in brain and reproductive system. Orthologous to human SYCP1 (synaptonemal complex protein 1). [provided by Alliance of Genome Resources, Apr 2022]