OLIG2 (Oligodendrocyte Transcription Factor 2, Oligo2, Class B Basic Helix-loop-helix Protein 1, bHLHb1, Class E Basic Helix-loop-helix Protein 19, bHLHe19, Protein Kinase C-binding Protein 2, Protein Kinase C-binding Protein RACK17, BHLHB1, BHLHE19, PRKCBP2, RACK17) discontinued