Inhibitor of Differentiation Protein 1

**Definition:** A HELIX-LOOP-HELIX MOTIF-containing negative regulator of BASIC HELIX-LOOP-HELIX PROTEINS that blocks activation of CYCLIN-DEPENDENT KINASE INHIBITOR P16 and is de-regulated in a variety of NEOPLASMS.

**Tree numbers:** - D12.776.930.329.249

**Synonyms:** - DNA-Binding Protein Inhibitor ID1 - Inhibitor of DNA Binding Protein 1