DNA-Binding Protein Inhibitor ID-3

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** DNA-binding protein inhibitor ID-3 (119 aa, ~12 kDa) is encoded by the human ID3 gene. This protein plays a role in the inhibition of transcription factor activity.

**Synonyms:** - Class B Basic Helix-Loop-Helix Protein 25 - Helix-Loop-Helix Protein HEIR-1 - ID-Like Protein Inhibitor HLH 1R21 - ID3 - Inhibitor of DNA Binding 3 - bHLHb25