Predicted to enable tubulin binding activity. Predicted to be involved in microtubule cytoskeleton organization; positive regulation of protein polymerization; and regulation of flagellated sperm motility. Predicted to be located in cytosol and sperm flagellum. Predicted to colocalize with microtubule. Orthologous to human TPPP2 (tubulin polymerization promoting protein family member 2). [provided by Alliance of Genome Resources, Apr 2022]