Predicted to enable several functions, including ATP binding activity; magnesium ion binding activity; and protein homodimerization activity. Predicted to be involved in several processes, including flagellated sperm motility; positive regulation of CREB transcription factor activity; and protein phosphorylation. Predicted to be located in sperm flagellum. Orthologous to human TSSK4 (testis specific serine kinase 4). [provided by Alliance of Genome Resources, Apr 2022]