Biology:STX8

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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

Syntaxin-8 is a protein that in humans is encoded by the STX8 gene.[1][2][3] Syntaxin 8 directly interacts with HECTd3 and has similar subcellular localization.[4] The protein has been shown to form the SNARE complex with syntaxin 7, vti1b and endobrevin. These function as the machinery for the homotypic fusion of late endosomes.[5]

Model organisms

Model organisms have been used in the study of STX8 function. A conditional knockout mouse line, called Stx8tm2a(EUCOMM)Wtsi[10][11] was generated as part of the International Knockout Mouse Consortium program—a high-throughput mutagenesis project to generate and distribute animal models of disease to interested scientists—at the Wellcome Trust Sanger Institute.[12][13][14] Male and female animals underwent a standardized phenotypic screen to determine the effects of deletion.[8][15] Twenty four tests were carried out on homozygous mutant adult mice, however no significant abnormalities were observed.[8]

Interactions

STX8 has been shown to interact with Vesicle-associated membrane protein 8,[16] VTI1B[17][18] and STX7.[16]

References

  1. "Three novel proteins of the syntaxin/SNAP-25 family". The Journal of Biological Chemistry 273 (51): 34171–9. Dec 1998. doi:10.1074/jbc.273.51.34171. PMID 9852078. 
  2. "Molecular cloning, expression analysis, and chromosomal localization of human syntaxin 8 (STX8)". Biochemical and Biophysical Research Communications 257 (2): 577–83. Apr 1999. doi:10.1006/bbrc.1999.0503. PMID 10198254. 
  3. "Entrez Gene: STX8 syntaxin 8". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=9482. 
  4. "Interaction between syntaxin 8 and HECTd3, a HECT domain ligase". Cellular and Molecular Neurobiology 29 (1): 115–21. Feb 2009. doi:10.1007/s10571-008-9303-0. PMID 18821010. 
  5. "Syntaxin 8 has two functionally distinct di-leucine-based motifs". Cellular & Molecular Biology Letters 13 (1): 144–54. October 2008. doi:10.2478/s11658-007-0043-9. PMID 17965969. 
  6. "Salmonella infection data for Stx8". Wellcome Trust Sanger Institute. http://www.sanger.ac.uk/mouseportal/phenotyping/MAKV/salmonella-challenge/. 
  7. "Citrobacter infection data for Stx8". Wellcome Trust Sanger Institute. http://www.sanger.ac.uk/mouseportal/phenotyping/MAKV/citrobacter-challenge/. 
  8. 8.0 8.1 8.2 Gerdin AK (2010). "The Sanger Mouse Genetics Programme: High throughput characterisation of knockout mice". Acta Ophthalmologica 88 (S248). doi:10.1111/j.1755-3768.2010.4142.x. 
  9. Mouse Resources Portal, Wellcome Trust Sanger Institute.
  10. "International Knockout Mouse Consortium". http://www.knockoutmouse.org/martsearch/search?query=Stx8. 
  11. "Mouse Genome Informatics". http://www.informatics.jax.org/searchtool/Search.do?query=MGI:4432376. 
  12. "A conditional knockout resource for the genome-wide study of mouse gene function". Nature 474 (7351): 337–42. Jun 2011. doi:10.1038/nature10163. PMID 21677750. 
  13. "Mouse library set to be knockout". Nature 474 (7351): 262–3. Jun 2011. doi:10.1038/474262a. PMID 21677718. 
  14. "A mouse for all reasons". Cell 128 (1): 9–13. Jan 2007. doi:10.1016/j.cell.2006.12.018. PMID 17218247. 
  15. "The mouse genetics toolkit: revealing function and mechanism". Genome Biology 12 (6): 224. 2011. doi:10.1186/gb-2011-12-6-224. PMID 21722353. 
  16. 16.0 16.1 "A SNARE complex mediating fusion of late endosomes defines conserved properties of SNARE structure and function". The EMBO Journal 19 (23): 6453–64. Dec 2000. doi:10.1093/emboj/19.23.6453. PMID 11101518. 
  17. "Towards a proteome-scale map of the human protein-protein interaction network". Nature 437 (7062): 1173–8. Oct 2005. doi:10.1038/nature04209. PMID 16189514. Bibcode2005Natur.437.1173R. 
  18. "Preferential association of syntaxin 8 with the early endosome". Journal of Cell Science 113 ( Pt 6) (6): 997–1008. Mar 2000. doi:10.1242/jcs.113.6.997. PMID 10683148. 

Further reading