Predicted to enable calcium ion binding activity; enzyme binding activity; and protein domain specific binding activity. Predicted to be involved in sperm capacitation. Predicted to be located in cytosol; nucleoplasm; and sperm flagellum. Predicted to be active in cytoplasm and sperm fibrous sheath. Orthologous to human CABYR (calcium binding tyrosine phosphorylation regulated). [provided by Alliance of Genome Resources, Apr 2022]