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T-complex 1

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(Redirected from TCP1)
TCP1
Identifiers
AliasesTCP1, CCT-alpha, CCT1, CCTa, D6S230E, TCP-1-alpha, T-complex 1
External IDsOMIM: 186980; MGI: 98535; HomoloGene: 5656; GeneCards: TCP1; OMA:TCP1 - orthologs
Orthologs
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)

NM_030752
NM_001008897

NM_001290712
NM_013686

RefSeq (protein)

NP_001008897
NP_110379

NP_001277641
NP_038714

Location (UCSC)Chr 6: 159.78 – 159.79 MbChr 17: 13.13 – 13.14 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

In humans, the gene T-complex 1, a.k.a. TCP1, encodes the protein TCP-1[a], a.k.a. T-complex protein 1 subunit alpha.[5][6][7]

Function

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This gene encodes a molecular chaperone that is a member of the TRiC complex. 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.[7]

Interactions

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T-complex 1 has been shown to interact with PPP4C[8][9] and HDAC3.[10] CCT also directly interacts with lectin type oxidized LDL receptor-1 (LOX-1) while its ligand oxidized low density lipoprotein (OxLDL) disassociates CCT from LOX-1.[11]

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. ^ a b c GRCh38: Ensembl release 89: ENSG00000120438Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000068039Ensembl, May 2017
  3. ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. ^ 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.
  6. ^ 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.
  7. ^ a b "Entrez Gene: TCP1 t-complex 1".
  8. ^ 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.
  9. ^ 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.
  10. ^ 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.
  11. ^ 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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