Has transcriptional corepressor activity. In the developing cerebellum, it downregulates BMP signaling resulting in up-regulation of SHH expression in Purkinje cells and promoting their early differentiation. It is also involved in regulating the proliferation of cerebellar granule cell precursors. . This is the function of Ensembl gene identifier ENSG00000215474 (SKOR2, SKI family transcriptional corepressor 2).