Biology:ID2

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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-2 is a protein that in humans is encoded by the ID2 gene.[1]

Function

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.[2] A research published by "Nature" in 01/2016, authored by Italian researchers Antonio Iavarone and Anna Lasorella, from Columbia University, states that ID2 protein has a relevant role in the development and resistance to therapies of glioblastoma, the most aggressive of brain cancers.[3]

Interactions

ID2 has been shown to interact with MyoD[4] and NEDD9.[5]

See also

References

  1. "Id-related genes encoding helix-loop-helix proteins are required for G1 progression and are repressed in senescent human fibroblasts". J Biol Chem 269 (3): 2139–45. Feb 1994. doi:10.1016/S0021-9258(17)42146-6. PMID 8294468. 
  2. "Entrez Gene: ID2 inhibitor of DNA binding 2, dominant negative helix-loop-helix protein". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=3398. 
  3. Lee, Sang Bae; Frattini, Veronique; Bansal, Mukesh; Castano, Angelica M.; Sherman, Dan; Hutchinson, Keino; Bruce, Jeffrey N.; Califano, Andrea et al. (2016). "An ID2-dependent mechanism for VHL inactivation in cancer". Nature 529 (7585): 172–177. doi:10.1038/nature16475. PMID 26735018. Bibcode2016Natur.529..172L. 
  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. "Dimerization of the docking/adaptor protein HEF1 via a carboxy-terminal helix-loop-helix domain". Exp. Cell Res. 252 (1): 224–35. Oct 1999. doi:10.1006/excr.1999.4609. PMID 10502414. 

Further reading

External links

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