May act as molecular guidance cue in cellular migration, and function may be mediated by interaction with roundabout homolog receptors. Detected at E20, and between P0 and P5 in olfactory mitral cells. Detected between E18 and E20, between P0 and P10, and in adult in anterior olfactor, hypothalamus ventromedial nuclei. Detected at E15 in cortex marginal zone. Detected between E15 and E20, between P0 and P10, and in adult in cortex entorhinal and periform region, hippocampal regions, basal telencephalon bed stria terminalis nuclei. Detected at E20, between P0 and P10, and in adult in cortex induseum griseum and tenia tecta, and basal telencephalon olfactory tubercle. Detected between P0 and P10, and in adult in ventral thalamus zona incerta. Detected between P5 and P10, and in adult in ventral thalamus reticular nuclei. Detected between P0 and P10, and in adult in dorsal thalamus regions.