bHLHd4,class D basic helix-loop-helix protein 4,Myc-associated factor X,protein max.
Transcription regulator. Forms a sequence-specific DNA-binding protein complex with MYC or MAD which recognizes the core sequence 5-CAC[GA]TG-3. The MYC:MAX complex is a transcriptional activator, whereas the MAD:MAX complex is a repressor. May repress t