Predicted to enable protein kinase A binding activity. Predicted to be involved in protein localization. Predicted to act upstream of or within blastocyst hatching and transmembrane receptor protein serine/threonine kinase signaling pathway. Predicted to be located in acrosomal vesicle; sperm fibrous sheath; and sperm midpiece. Predicted to be active in cytoplasm and sperm principal piece. Orthologous to human AKAP3 (A-kinase anchoring protein 3). [provided by Alliance of Genome Resources, Apr 2022]