Biology:ID3 (gene)

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Short description: Protein-coding gene in the species Homo sapiens


A representation of the 3D structure of the protein myoglobin showing turquoise α-helices.
Generic protein structure example

DNA-binding protein inhibitor ID-3 is a protein that in humans is encoded by the ID3 gene.[1][2]

Function

Members of the ID family of helix-loop-helix (HLH) proteins lack a basic DNA-binding domain and inhibit transcription through formation of nonfunctional dimers that are incapable of binding to DNA.[supplied by OMIM][2]

Interactions

ID3 (gene) has been shown to interact with TCF3.[3][4]

Repressors of ID3

BTG2 binds to the promoter of Id3 and represses its activity. By this mechanism, the upregulation of Id3 in the hippocampus caused by BTG2 ablation prevents terminal differentiation of hippocampal neurons.[5]

See also

References

  1. "Mutually exclusive expression of a helix-loop-helix gene and N-myc in human neuroblastomas and in normal development". EMBO J. 11 (7): 2563–71. Aug 1992. doi:10.1002/j.1460-2075.1992.tb05321.x. PMID 1628620. 
  2. 2.0 2.1 "Entrez Gene: ID3 inhibitor of DNA binding 3, dominant negative helix-loop-helix protein". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=3399. 
  3. "Lymphoid-specific expression of the Id3 gene in hematopoietic cells. Selective antagonism of E2A basic helix-loop-helix protein associated with Id3-induced differentiation of erythroleukemia cells". J. Biol. Chem. 273 (14): 8278–86. Apr 1998. doi:10.1074/jbc.273.14.8278. PMID 9525934. 
  4. "Differential interactions of Id proteins with basic-helix-loop-helix transcription factors". J. Biol. Chem. 272 (32): 19785–93. Aug 1997. doi:10.1074/jbc.272.32.19785. PMID 9242638. 
  5. Okazawa, Hitoshi, ed (2009). "Impaired terminal differentiation of hippocampal granule neurons and defective contextual memory in PC3/Tis21 knockout mice". PLOS ONE 4 (12): e8339. doi:10.1371/journal.pone.0008339. PMID 20020054. Bibcode2009PLoSO...4.8339F. 

Further reading

External links

This article incorporates text from the United States National Library of Medicine, which is in the public domain.