Predicted to enable several functions, including ATP binding activity; ATP hydrolysis activity; and protein C-terminus binding activity. Involved in late endosomal microautophagy; multivesicular body assembly; and viral budding from plasma membrane. Located in perinuclear region of cytoplasm. Is expressed in several structures, including aorta; genitourinary system; gut gland; nervous system; and trachea. Orthologous to human VPS4A (vacuolar protein sorting 4 homolog A). [provided by Alliance of Genome Resources, Apr 2022]