Predicted to enable several functions, including GTP binding activity; GTPase activity; and identical protein binding activity. Predicted to be involved in cellular protein localization and cytoskeleton-dependent cytokinesis. Predicted to act upstream of or within cell division. Located in presynapse. Part of septin complex. Is expressed in several structures, including central nervous system; olfactory epithelium; peripheral nervous system ganglion; retina; and somite. Orthologous to human SEPTIN3 (septin 3). [provided by Alliance of Genome Resources, Apr 2022]