Immunogen sequence: LSGLLNTTDL ACWGRLSTPK LLVGDLWNLQ ALPQNAPLCS TFLGAPTLWL EHTQAQVPPP SSSSTTSWAL LPPTLTSLGL STQNWCAKC. Transcriptional repressor. Plays a role in oligodendrocyte differentiation, together with OLIG2. Mediates Notch signaling-activated for