TCEA1 explained

Transcription elongation factor A protein 1 is a protein that in humans is encoded by the TCEA1 gene.[1] [2] [3]

In other organisms, this gene is better known as transcription elongation factor II S (TFIIS). It mainly helps to resolve backtracked elongation complexes by inducing a cut in the RNAP active site, so reaction becomes possible again. It is also found in the eukaryotic transcription preinitiation complex.[4] A homolog in archaea performs the same main task, while bacteria use the non-homologous Gre.[5]

Interactions

TCEA1 has been shown to interact with GTF2H1[6] [7] and POLR2A.[6] [7] [8]

Further reading

Notes and References

  1. DiMarco SP, Glover TW, Miller DE, Reines D, Warren ST . Transcription elongation factor SII (TCEA) maps to human chromosome 3p22 --> p21.3 . Genomics . 36 . 1 . 185–8 . August 1996 . 8812434 . 10.1006/geno.1996.0443 .
  2. Park H, Baek K, Jeon C, Agarwal K, Yoo O . Characterization of the gene encoding the human transcriptional elongation factor TFIIS . Gene . 139 . 2 . 263–7 . February 1994 . 8112616 . 10.1016/0378-1119(94)90767-6 .
  3. Web site: Entrez Gene: TCEA1 transcription elongation factor A (SII), 1.
  4. Kim B, Nesvizhskii AI, Rani PG, Hahn S, Aebersold R, Ranish JA . The transcription elongation factor TFIIS is a component of RNA polymerase II preinitiation complexes . Proceedings of the National Academy of Sciences of the United States of America . 104 . 41 . 16068–73 . October 2007 . 17913884 . 10.1073/pnas.0704573104 . free . 2042163 . 2007PNAS..10416068K .
  5. Robinson . Nicholas P. . Fouqueau . Thomas . Blombach . Fabian . Cackett . Gwenny . Carty . Alice E. . Matelska . Dorota M. . Ofer . Sapir . Pilotto . Simona . Phung . Duy Khanh . Werner . Finn . The cutting edge of archaeal transcription . Emerging Topics in Life Sciences . 14 December 2018 . 2 . 4 . 517–533 . 10.1042/ETLS20180014. 33525828 . 7289017 . free .
  6. Archambault J, Pan G, Dahmus GK, Cartier M, Marshall N, Zhang S, Dahmus ME, Greenblatt J . 6 . FCP1, the RAP74-interacting subunit of a human protein phosphatase that dephosphorylates the carboxyl-terminal domain of RNA polymerase IIO . The Journal of Biological Chemistry . 273 . 42 . 27593–601 . October 1998 . 9765293 . 10.1074/jbc.273.42.27593 . free .
  7. Pan G, Aso T, Greenblatt J . Interaction of elongation factors TFIIS and elongin A with a human RNA polymerase II holoenzyme capable of promoter-specific initiation and responsive to transcriptional activators . The Journal of Biological Chemistry . 272 . 39 . 24563–71 . September 1997 . 9305922 . 10.1074/jbc.272.39.24563 . free .
  8. Kettenberger H, Armache KJ, Cramer P . Architecture of the RNA polymerase II-TFIIS complex and implications for mRNA cleavage . Cell . 114 . 3 . 347–57 . August 2003 . 12914699 . 10.1016/S0092-8674(03)00598-1 . 11858/00-001M-0000-0015-8647-8 . 17184533 . free .