Predicted to enable identical protein binding activity. Predicted to be involved in sperm capacitation. Predicted to act upstream of or within flagellated sperm motility and regulation of protein phosphorylation. Predicted to be located in cilium. Predicted to be active in cytoplasm and motile cilium. Orthologous to human ROPN1L (rhophilin associated tail protein 1 like). [provided by Alliance of Genome Resources, Apr 2022]