Predicted to enable Hsp90 protein binding activity and identical protein binding activity. Involved in spermatogenesis. Predicted to be located in cytosol and synaptonemal complex. Used to study male infertility. Human ortholog(s) of this gene implicated in Williams-Beuren syndrome. Orthologous to human FKBP6 (FKBP prolyl isomerase family member 6 (inactive)). [provided by Alliance of Genome Resources, Apr 2022]