Liprin-alpha-1

Liprin-alpha-1

Liprin-alpha-1

Protein-coding gene in the species Homo sapiens


Liprin-alpha-1 is a protein that in humans is encoded by the PPFIA1 gene.[5][6][7]

Quick Facts PPFIA1, Available structures ...

Function

The protein encoded by this gene is a member of the LAR protein tyrosine phosphatase-interacting protein (liprin) family. Liprins interact with members of LAR family of transmembrane protein tyrosine phosphatases, which are known to be important for axon guidance and mammary gland development. This protein binds to the intracellular membrane-distal phosphatase domain of tyrosine phosphatase LAR, and appears to localize LAR to cell focal adhesions. This interaction may regulate the disassembly of focal adhesion and thus help orchestrate cell-matrix interactions. Alternatively spliced transcript variants encoding distinct isoforms have been described.[7]

Interactions

Protein tyrosine phosphatase, receptor type, f polypeptide (PTPRF), interacting protein (liprin), alpha 1 has been shown to interact with:


References

  1. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  2. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  3. Serra-Pagès C, Kedersha NL, Fazikas L, Medley Q, Debant A, Streuli M (Aug 1995). "The LAR transmembrane protein tyrosine phosphatase and a coiled-coil LAR-interacting protein co-localize at focal adhesions". EMBO J. 14 (12): 2827–2838. doi:10.1002/j.1460-2075.1995.tb07282.x. PMC 398401. PMID 7796809.
  4. Serra-Pagès C, Medley QG, Tang M, Hart A, Streuli M (Jul 1998). "Liprins, a family of LAR transmembrane protein-tyrosine phosphatase-interacting proteins". J Biol Chem. 273 (25): 15611–15620. doi:10.1074/jbc.273.25.15611. PMID 9624153.
  5. Ko J, Kim S, Valtschanoff JG, Shin H, Lee JR, Sheng M, Premont RT, Weinberg RJ, Kim E (Mar 2003). "Interaction between liprin-alpha and GIT1 is required for AMPA receptor targeting". J. Neurosci. 23 (5): 1667–77. doi:10.1523/JNEUROSCI.23-05-01667.2003. PMC 6741975. PMID 12629171.
  6. Rual JF, Venkatesan K, Hao T, Hirozane-Kishikawa T, Dricot A, Li N, Berriz GF, Gibbons FD, Dreze M, Ayivi-Guedehoussou N, Klitgord N, Simon C, Boxem M, Milstein S, Rosenberg J, Goldberg DS, Zhang LV, Wong SL, Franklin G, Li S, Albala JS, Lim J, Fraughton C, Llamosas E, Cevik S, Bex C, Lamesch P, Sikorski RS, Vandenhaute J, Zoghbi HY, Smolyar A, Bosak S, Sequerra R, Doucette-Stamm L, Cusick ME, Hill DE, Roth FP, Vidal M (Oct 2005). "Towards a proteome-scale map of the human protein-protein interaction network". Nature. 437 (7062): 1173–8. Bibcode:2005Natur.437.1173R. doi:10.1038/nature04209. PMID 16189514. S2CID 4427026.

Further reading

  • Overview of all the structural information available in the PDB for UniProt: Q13136 (Liprin-alpha-1) at the PDBe-KB.

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