The world's first wiki where authorship really matters (Nature Genetics, 2008). Due credit and reputation for authors. Imagine a global collaborative knowledge base for original thoughts. Search thousands of articles and collaborate with scientists around the globe.

wikigene or wiki gene protein drug chemical gene disease author authorship tracking collaborative publishing evolutionary knowledge reputation system wiki2.0 global collaboration genes proteins drugs chemicals diseases compound
Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)



Gene Review

Taf11  -  TBP-associated factor 11

Drosophila melanogaster

Synonyms: CG4079, Dmel\CG4079, TAF, TAF1, TAF11, ...
Welcome! If you are familiar with the subject of this article, you can contribute to this open access knowledge base by deleting incorrect information, restructuring or completely rewriting any text. Read more.

Disease relevance of Taf11

  • The recombinant protein expressed in Sf9 cells via a baculovirus vector interacts directly with the 230-kDa subunit of TFIID (p230) [1].
  • Subregions of the adenovirus E1A transactivation domain target multiple components of the TFIID complex [2].

High impact information on Taf11

  • The TFIID complex consists of the TATA-binding protein (TBP) and associated factors (TAFs) serving to mediate transcriptional activation by promoter-specific regulators [3].
  • Regulation of transcription initiation by RNA polymerase II requires TFIID, a multisubunit complex composed of the TATA binding protein (TBP) and at least seven tightly associated factors (TAFs) [4].
  • These results suggest that TAFIIs contribute to the activation of transcription in vivo and support the hypothesis that subunits of TFIID may serve as targets of enhancer binding proteins [5].
  • Recombinant TAFs expressed in human cells by transient transfections are capable of associating with the endogenous TAFs and TBP to form a TFIID complex in vivo [6].
  • In addition, by constructing null alleles of the cloned TAF-encoding genes, we show that normal function of the TAF-encoding genes is essential for yeast cell viability [7].

Biological context of Taf11

  • Recent studies suggest that TFIID subunits, or TAFs associated with the TATA-binding protein (TBP), play a critical role in modulating transcriptional activation by sequence-specific DNA-binding factors [8].
  • In vitro transcription reactions and protein binding assays implicate the TAFII110 and TAFII60 subunits of the TFIID complex in contributing to Dorsal-mediated activation [5].
  • We propose that the products of the five Drosophila genes encoding testis TAF homologs collaborate in an alternative TAF-containing protein complex to regulate a testis-specific gene expression program in primary spermatocytes required for terminal differentiation of male germ cells [9].
  • In these respects, the impact of yTANDII mutations on cell growth paralleled their effects on TBP binding in vitro, strongly suggesting that the yTAFII145-TBP interaction and its negative effects on TFIID binding to core promoters are physiologically important [10].
  • RESULTS: The essential gene encoding the Schizosaccharomyces pombe 72 kDa TFIID subunit is termed taf72+, which contains WD40 repeats, was cloned and sequenced [11].

Associations of Taf11 with chemical compounds


Analytical, diagnostic and therapeutic context of Taf11

  • Molecular cloning and characterization of dTAFII30 alpha and dTAFII30 beta: two small subunits of Drosophila TFIID [8].
  • Using epitope-tagging and immunoprecipitation experiments, we demonstrate that these genes encode bona fide TAF proteins and show that the yeast TBP-TAFII complex is minimally composed of TBP and seven distinct yTAFII proteins ranging in size from M(r) = 150,000 to M(r) = 25,000 [7].
  • Our results reveal a parallel between the basal transcription activity of TAFIIs through core promoter elements and TAFII-dependent activator function [13].


  1. The Drosophila 110-kDa transcription factor TFIID subunit directly interacts with the N-terminal region of the 230-kDa subunit. Kokubo, T., Gong, D.W., Roeder, R.G., Horikoshi, M., Nakatani, Y. Proc. Natl. Acad. Sci. U.S.A. (1993) [Pubmed]
  2. Subregions of the adenovirus E1A transactivation domain target multiple components of the TFIID complex. Geisberg, J.V., Chen, J.L., Ricciardi, R.P. Mol. Cell. Biol. (1995) [Pubmed]
  3. Largest subunit of Drosophila transcription factor IID directs assembly of a complex containing TBP and a coactivator. Weinzierl, R.O., Dynlacht, B.D., Tjian, R. Nature (1993) [Pubmed]
  4. Cloning and expression of Drosophila TAFII60 and human TAFII70 reveal conserved interactions with other subunits of TFIID. Weinzierl, R.O., Ruppert, S., Dynlacht, B.D., Tanese, N., Tjian, R. EMBO J. (1993) [Pubmed]
  5. TAFII mutations disrupt Dorsal activation in the Drosophila embryo. Zhou, J., Zwicker, J., Szymanski, P., Levine, M., Tjian, R. Proc. Natl. Acad. Sci. U.S.A. (1998) [Pubmed]
  6. Molecular cloning and analysis of two subunits of the human TFIID complex: hTAFII130 and hTAFII100. Tanese, N., Saluja, D., Vassallo, M.F., Chen, J.L., Admon, A. Proc. Natl. Acad. Sci. U.S.A. (1996) [Pubmed]
  7. Identification and characterization of a TFIID-like multiprotein complex from Saccharomyces cerevisiae. Poon, D., Bai, Y., Campbell, A.M., Bjorklund, S., Kim, Y.J., Zhou, S., Kornberg, R.D., Weil, P.A. Proc. Natl. Acad. Sci. U.S.A. (1995) [Pubmed]
  8. Molecular cloning and characterization of dTAFII30 alpha and dTAFII30 beta: two small subunits of Drosophila TFIID. Yokomori, K., Chen, J.L., Admon, A., Zhou, S., Tjian, R. Genes Dev. (1993) [Pubmed]
  9. Testis-specific TAF homologs collaborate to control a tissue-specific transcription program. Hiller, M., Chen, X., Pringle, M.J., Suchorolski, M., Sancak, Y., Viswanathan, S., Bolival, B., Lin, T.Y., Marino, S., Fuller, M.T. Development (2004) [Pubmed]
  10. Identification of highly conserved amino-terminal segments of dTAFII230 and yTAFII145 that are functionally interchangeable for inhibiting TBP-DNA interactions in vitro and in promoting yeast cell growth in vivo. Kotani, T., Miyake, T., Tsukihashi, Y., Hinnebusch, A.G., Nakatani, Y., Kawaichi, M., Kokubo, T. J. Biol. Chem. (1998) [Pubmed]
  11. Molecular genetic elucidation of the tripartite structure of the Schizosaccharomyces pombe 72 kDa TFIID subunit which contains a WD40 structural motif. Yamamoto, T., Poon, D., Weil, P.A., Horikoshi, M. Genes Cells (1997) [Pubmed]
  12. A glutamine-rich hydrophobic patch in transcription factor Sp1 contacts the dTAFII110 component of the Drosophila TFIID complex and mediates transcriptional activation. Gill, G., Pascal, E., Tseng, Z.H., Tjian, R. Proc. Natl. Acad. Sci. U.S.A. (1994) [Pubmed]
  13. Novel cofactors and TFIIA mediate functional core promoter selectivity by the human TAFII150-containing TFIID complex. Martinez, E., Ge, H., Tao, Y., Yuan, C.X., Palhan, V., Roeder, R.G. Mol. Cell. Biol. (1998) [Pubmed]
WikiGenes - Universities