Predicted to enable identical protein binding activity and protein self-association. Involved in positive regulation of axon extension and vesicle-mediated transport. Located in dendrite; endoplasmic reticulum tubular network; and growth cone membrane. Is integral component of membrane. Is expressed in ganglia; genitourinary system; sensory organ; and vibrissa. Human ortholog(s) of this gene implicated in hereditary spastic paraplegia 33. Orthologous to human ZFYVE27 (zinc finger FYVE-type containing 27). [provided by Alliance of Genome Resources, Apr 2022]