The protein encoded by this gene belongs to the inhibitor of DNA binding (ID) family, members of which are transcriptional regulators that contain a helix-loop-helix (HLH) domain but not a basic domain. Members of the ID family inhibit the functions of basic helix-loop-helix transcription factors in a dominant-negative manner by suppressing their heterodimerization partners through the HLH domains. This protein may play a role in negatively regulating cell differentiation. A pseudogene has been identified for this gene.
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Protein Aliases: bHLHb26; cell growth-inhibiting gene 8; Class B basic helix-loop-helix protein 26; DNA-binding protein inhibitor ID-2; DNA-binding protein inhibitor ID2; helix-loop-helix protein ID2; Inhibitor of differentiation 2; Inhibitor of DNA binding 2; inhibitor of DNA binding 2, dominant negative helix-loop-helix protein
Gene Aliases: AI255428; BHLHB26; C78922; GIG8; Id-2; ID2; ID2A; ID2H; Idb2
Molecular Function: transcription factor