Biology:ILF2

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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

Interleukin enhancer-binding factor 2 is a protein that in humans is encoded by the ILF2 gene.[1][2]

Function

Nuclear factor of activated T-cells (NFAT) is a transcription factor required for T-cell expression of the interleukin 2 gene. NFAT binds to a sequence in the interleukin 2 gene enhancer known as the antigen receptor response element 2. In addition, NFAT can bind RNA and is an essential component for encapsidation and protein priming of hepatitis B viral polymerase. NFAT is a heterodimer of 45 kDa and 90 kDa proteins, the smaller of which is the product of this gene. The encoded protein binds strongly to the 90 kDa protein and stimulates its ability to enhance gene expression.[2]

Interactions

ILF2 has been shown to interact with CDC5L[3] and DNA-PKcs.[4]

ILF2 and ILF3 have been identified as autoantigens in mice with induced lupus,[5][6] in canine systemic rheumatic autoimmune disease,[7][8] and as a rare finding in humans with autoimmune disease.[9]

References

  1. "Cloning and expression of cyclosporin A- and FK506-sensitive nuclear factor of activated T-cells: NF45 and NF90". The Journal of Biological Chemistry 269 (32): 20691–9. August 1994. doi:10.1016/S0021-9258(17)32048-3. PMID 7519613. 
  2. 2.0 2.1 "Entrez Gene: ILF2 interleukin enhancer binding factor 2, 45kDa". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=3608. 
  3. "Functional analysis of the human CDC5L complex and identification of its components by mass spectrometry". The EMBO Journal 19 (23): 6569–81. December 2000. doi:10.1093/emboj/19.23.6569. PMID 11101529. 
  4. "DNA-dependent protein kinase interacts with antigen receptor response element binding proteins NF90 and NF45". The Journal of Biological Chemistry 273 (4): 2136–45. January 1998. doi:10.1074/jbc.273.4.2136. PMID 9442054. 
  5. "Autoantibodies define a family of proteins with conserved double-stranded RNA-binding domains as well as DNA binding activity". The Journal of Biological Chemistry 274 (49): 34598–604. December 1999. doi:10.1074/jbc.274.49.34598. PMID 10574923. https://cdr.lib.unc.edu/downloads/dr26z6575. 
  6. "Induction of lupus-related specific autoantibodies by non-specific inflammation caused by an intraperitoneal injection of n-hexadecane in BALB/c mice". Toxicology 218 (2–3): 186–96. February 2006. doi:10.1016/j.tox.2005.10.011. PMID 16309812. 
  7. "ILF2 and ILF3 are autoantigens in canine systemic autoimmune disease". Scientific Reports 8 (1): 4852. March 2018. doi:10.1038/s41598-018-23034-w. PMID 29556082. Bibcode2018NatSR...8.4852B. 
  8. Hanna, Bremer (2018) (in en). Canine immune-mediated disease. Acta Universitatis agriculturae Sueciae. ISBN 978-91-7760-166-1. https://pub.epsilon.slu.se/15432/. 
  9. "Autoantibodies define a family of proteins with conserved double-stranded RNA-binding domains as well as DNA binding activity". The Journal of Biological Chemistry 274 (49): 34598–604. December 1999. doi:10.1074/jbc.274.49.34598. PMID 10574923. https://cdr.lib.unc.edu/downloads/dr26z6575. 

Further reading

External links


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