Predicted to enable alpha-tubulin binding activity and ubiquitin-protein transferase activity. Predicted to be involved in several processes, including mitotic cytokinesis; regulation of microtubule cytoskeleton organization; and spindle organization. Predicted to act upstream of or within acrosome reaction. Predicted to be located in acrosomal vesicle. Human ortholog(s) of this gene implicated in anencephaly. Orthologous to human TRIM36 (tripartite motif containing 36). [provided by Alliance of Genome Resources, Apr 2022]