ID1

Source: Wikipedia, the free encyclopedia.
ID1
Identifiers
Gene ontology
Molecular function
Cellular component
Biological process
Sources:Amigo / QuickGO
Ensembl
UniProt
RefSeq (mRNA)

NM_181353
NM_002165

NM_010495
NM_001355113
NM_001369018

RefSeq (protein)

NP_002156
NP_851998

NP_034625
NP_001342042
NP_001355947

Location (UCSC)Chr 20: 31.61 – 31.61 MbChr 2: 152.58 – 152.58 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

DNA-binding protein inhibitor ID-1 is a protein that in humans is encoded by the ID1 gene.[5][6]

Function

The protein encoded by this gene is a helix-loop-helix (HLH) protein that can form heterodimers with members of the

basic HLH family of transcription factors.[5] The encoded protein has no DNA binding activity and therefore can inhibit the DNA binding and transcriptional activation ability of basic HLH proteins with which it interacts.[5] This protein may play a role in cell growth, senescence, and differentiation.[7][8][9] Two transcript variants encoding different isoforms have been found for this gene.[10]

Interactions

ID1 has been shown to

interact weakly with MyoD[5][11][12][13][14][15][16] but very tightly with ubiquitously expressed E proteins.[17] E proteins heterodimerize with tissue restricted bHLH proteins such as Myod, NeuroD, etc. to form active transcription complexes so by sequestering E proteins, Id proteins can inhibit tissue restricted gene expression in multiple cell lineages using the same biochemical mechanism. Other interacting partners include CASK.[18]

Clinical significance

ID1 can be used to mark endothelial progenitor cells which are critical to tumor growth and angiogenesis.[19][20] Targeting ID1 results in decreased tumor growth.[21][22] ID1 has been shown to be targeted by cannabidiol in certain gliomas and breast cancers.[23][24]

See also

References

  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000125968Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000042745Ensembl, May 2017
  3. ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. ^
    S2CID 29514374
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  10. ^ "Entrez Gene: ID1 inhibitor of DNA binding 1, dominant negative helix-loop-helix protein".
  11. S2CID 4427531
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Further reading

External links

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

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