Biology:ARHGEF9

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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

Rho guanine nucleotide exchange factor 9 is a protein that in humans is encoded by the ARHGEF9 gene.[1][2][3]

Function

ARHGEF9 belongs to a family of Rho-like GTPases that act as molecular switches by cycling from the active GTP-bound state to the inactive GDP-bound state. These proteins are key regulators of the actin cytoskeleton and are involved in cell signaling.[supplied by OMIM][3]

Interactions

ARHGEF9 has been shown to interact with GPHN[4] and SMURF1.[5]

References

  1. "Identification and characterization of hPEM-2, a guanine nucleotide exchange factor specific for Cdc42". J Biol Chem 274 (47): 33587–93. Dec 1999. doi:10.1074/jbc.274.47.33587. PMID 10559246. 
  2. "Prediction of the coding sequences of unidentified human genes. VIII. 78 new cDNA clones from brain which code for large proteins in vitro". DNA Res 4 (5): 307–13. Feb 1998. doi:10.1093/dnares/4.5.307. PMID 9455477. 
  3. 3.0 3.1 "Entrez Gene: ARHGEF9 Cdc42 guanine nucleotide exchange factor (GEF) 9". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=23229. 
  4. "Collybistin, a newly identified brain-specific GEF, induces submembrane clustering of gephyrin". Nat. Neurosci. 3 (1): 22–9. 2000. doi:10.1038/71096. PMID 10607391. 
  5. "Smurf1 directly targets hPEM-2, a GEF for Cdc42, via a novel combination of protein interaction modules in the ubiquitin-proteasome pathway". Biol. Chem. 389 (4): 405–13. Apr 2008. doi:10.1515/BC.2008.036. PMID 18208356. 

External links

Further reading