The function of SEMA4F (ssemaphorin 4F, ENSG00000135622) is as follows. Probable cell surface receptor that regulates oligodendroglial precursor cell migration (By similarity). Might also regulate differentiation of oligodendroglial precursor cells (By similarity). Has growth cone collapse activity against retinal ganglion-cell axons (By similarity). {ECO:0000250|UniProtKB:Q9Z123, ECO:0000250|UniProtKB:Q9Z143}.