T-complex 1

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Template:Short description An Error has occurred retrieving Wikidata item for infobox T-complex protein 1 or T-complex protein 1 subunit alpha, abbreviated TCP1 or TCP-1,[a] is a protein that in humans is encoded by the TCP1 gene.[1][2][3]

Function

This protein is a member of TRiC (CCT) complex, which is a molecular chaperone and the chaperonin of eukaryotic cells. This complex consists of two identical stacked rings, each containing eight different proteins. Unfolded polypeptides enter the central cavity of the complex and are folded in an ATP-dependent manner. The complex folds various proteins, including actin and tubulin. Alternate transcriptional splice variants of this gene, encoding different isoforms, have been characterized.[3]

Interactions

TCP1 has been shown to interact with PPP4C[4][5] and HDAC3.[6] TRiC directly interacts with lectin type oxidized LDL receptor-1 (LOX-1) while its ligand oxidized low density lipoprotein (OxLDL) disassociates TRiC from LOX-1.[7]

Notes

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  1. ^ The term "TCP-1" is variously expanded as "T-complex protein 1" and "tailless complex polypeptide 1". The "T-complex" is the same as tailless complex, a CCT locus associated with tail length in mice.

References

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  1. ^ Page Module:Citation/CS1/styles.css has no content.Fonatsch C, Gradl G, Ragoussis J, Ziegler A (Oct 1987). "Assignment of the TCP1 locus to the long arm of human chromosome 6 by in situ hybridization". Cytogenet Cell Genet. 45 (2): 109–12. doi:10.1159/000132439. PMID 3476253.
  2. ^ Page Module:Citation/CS1/styles.css has no content.Willison K, Kelly A, Dudley K, Goodfellow P, Spurr N, Groves V, Gorman P, Sheer D, Trowsdale J (Nov 1987). "The human homologue of the mouse t-complex gene, TCP1, is located on chromosome 6 but is not near the HLA region". EMBO J. 6 (7): 1967–74. doi:10.1002/j.1460-2075.1987.tb02459.x. PMC 553584. PMID 3653076.
  3. ^ a b Page Module:Citation/CS1/styles.css has no content."Entrez Gene: TCP1 t-complex 1".
  4. ^ Page Module:Citation/CS1/styles.css has no content.Chen GI, Tisayakorn S, Jorgensen C, D'Ambrosio LM, Goudreault M, Gingras AC (Oct 2008). "PP4R4/KIAA1622 Forms a Novel Stable Cytosolic Complex with Phosphoprotein Phosphatase 4". J. Biol. Chem. 283 (43): 29273–84. doi:10.1074/jbc.M803443200. PMC 2662017. PMID 18715871.
  5. ^ Page Module:Citation/CS1/styles.css has no content.Gingras AC, Caballero M, Zarske M, Sanchez A, Hazbun TR, Fields S, Sonenberg N, Hafen E, Raught B, Aebersold R (Nov 2005). "A novel, evolutionarily conserved protein phosphatase complex involved in cisplatin sensitivity". Mol. Cell. Proteomics. 4 (11): 1725–40. doi:10.1074/mcp.M500231-MCP200. PMID 16085932.
  6. ^ Page Module:Citation/CS1/styles.css has no content.Guenther MG, Yu J, Kao GD, Yen TJ, Lazar MA (Dec 2002). "Assembly of the SMRT–histone deacetylase 3 repression complex requires the TCP-1 ring complex". Genes Dev. 16 (24): 3130–5. doi:10.1101/gad.1037502. PMC 187500. PMID 12502735.
  7. ^ Page Module:Citation/CS1/styles.css has no content.Bakthavatsalam D, Soung RH, Tweardy DJ, Chiu W, Dixon RA, Woodside DG (Jun 2014). "Chaperonin-containing TCP-1 complex directly binds to the cytoplasmic domain of the LOX-1 receptor". FEBS Lett. 588 (13): 2133–40. doi:10.1016/j.febslet.2014.04.049. PMC 4100626. PMID 24846140.

Further reading

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