Predicted to enable GTPase activity; SNARE binding activity; and molecular adaptor activity. Predicted to be involved in several processes, including regulation of SNARE complex assembly; regulation of intracellular protein transport; and regulation of protein stability. Located in myelin sheath. Part of septin complex. Is expressed in dermis; spinal cord ventricular layer; turbinate bone primordium; and ventral grey horn. Orthologous to human SEPTIN8 (septin 8). [provided by Alliance of Genome Resources, Apr 2022]