Predicted to enable protein-glycine ligase activity, initiating. Predicted to be involved in flagellated sperm motility and protein polyglycylation. Predicted to act upstream of or within cilium assembly. Predicted to be located in axoneme; microtubule cytoskeleton; and sperm flagellum. Orthologous to human TTLL3 (tubulin tyrosine ligase like 3). [provided by Alliance of Genome Resources, Apr 2022]