Predicted to enable syntaxin binding activity. Acts upstream of or within several processes, including homeostasis of number of cells within a tissue; musculoskeletal movement; and neurofilament cytoskeleton organization. Predicted to be located in several cellular components, including nucleoplasm; perinuclear region of cytoplasm; and trans-Golgi network. Predicted to be part of GARP complex. Used to study Werdnig-Hoffmann disease and amyotrophic lateral sclerosis type 1. Orthologous to human VPS54 (VPS54 subunit of GARP complex). [provided by Alliance of Genome Resources, Apr 2022]