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Transcription factor II E (TF_IIE) is one of several general transcription factors that make up the RNA polymerase II preinitiation complex. It is a tetramer of two alpha and two beta chains and interacts with TAF6/TAFII80, ATF7IP, and varicella-zoster virus IE63 protein.

TF_IIE recruits TF_IIH to the initiation complex and stimulates the RNA polymerase II C-terminal domain kinase and DNA-dependent ATPase activities of TF_IIH. Both TF_IIH and TF_IIE are required for promoter clearance by RNA polymerase. Transcription factor II E is encoded by the GTF2E1 and GTF2E2 genes. TF_IIE is thought to be involved in DNA melting at the promoter: it contains a zinc ribbon motif that can bind single stranded DNA.

See also

• TF_IIH
• TF_IIB
• TF_IID

References

1. Lewin, Benjamin (2004). Genes VIII. Upper Saddle River, NJ: Pearson Prentice Hall. pp. 636–637. ISBN 0-13-144946-X.
2. ^ "UniProtKB - P29083 (T2EA_HUMAN)". UniProt. Retrieved 2016-10-19.
3. Ohkuma Y, Hashimoto S, Roeder RG, Horikoshi M (1992). "Identification of two large subdomains in TFIIE-alpha on the basis of homology between Xenopus and human sequences". Nucleic Acids Res. 20 (21): 5838. doi:10.1093/nar/20.21.5838. PMC 334425. PMID 1454543.
4. Heng HH, Xiao H, Shi XM, Greenblatt J, Tsui LC (1994). "Genes encoding general initiation factors for RNA polymerase II transcription are dispersed in the human genome". Hum. Mol. Genet. 3 (1): 61–4. doi:10.1093/hmg/3.1.61. PMID 8162052.
5. Sumimoto H, Ohkuma Y, Sinn E, Kato H, Shimasaki S, Horikoshi M, Roeder RG (1991). "Conserved sequence motifs in the small subunit of human general transcription factor TFIIE". Nature. 354 (6352): 401–4. Bibcode:1991Natur.354..401S. doi:10.1038/354401a0. PMID 1956404. S2CID 4288495.
6. Ohkuma Y, Sumimoto H, Hoffmann A, Shimasaki S, Horikoshi M, Roeder RG (December 1991). "Structural motifs and potential sigma homologies in the large subunit of human general transcription factor TFIIE". Nature. 354 (6352): 398–401. doi:10.1038/354398a0. PMID 1956403. S2CID 4325438.
7. Lee TI, Young RA (2000). "Transcription of eukaryotic protein-coding genes". Annu. Rev. Genet. 34: 77–137. doi:10.1146/annurev.genet.34.1.77. PMID 11092823.

External links

• Transcription+Factor+TFIIE at the U.S. National Library of Medicine Medical Subject Headings (MeSH)

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