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| Citation | Gu, J.Y., Park, J.M., Song, E.J., Mizuguchi, G., Yoon, J.H., Kim-Ha, J., Lee, K.J., Kim, Y.J. (2002). Novel mediator proteins of the small mediator complex in Drosophila SL2 cells. J. Biol. Chem. 277(30): 27154--27161. (Export to RIS) | ||
| FlyBase ID | FBrf0150795 | ||
| Publication Type | Research paper | ||
| PubMed ID | 12021283 | ||
| PubMed Abstract | The Mediator complex is generally required for transcriptional regulation in species ranging from yeast to human. Throughout evolution, the functional diversity of the Mediator complex has been enhanced to meet the increasing requirements for sophisticated gene regulation. It is likely that greater structural complexity is thus required to accomplish these new, complex regulatory functions. In this study, we took systematic steps to examine various types of Mediator complexes in Drosophila melanogaster. Such efforts led to the identification of three distinct forms of Mediator complexes. In exploring their compositional and functional heterogeneity, we found that the smallest complex (C1) is highly enriched in a certain type of Drosophila cells and possesses novel Mediator proteins. The subunits shared among the three Mediator complexes (C1, C2, and C3) appear to form a stable modular structure that serves as a binding surface for transcriptional activator proteins. However, only C2 and C3 were able to support activated transcription in vitro. These findings suggest that different cell types may require distinct Mediator complexes, some of which may participate in nuclear processes other than the previously identified functions. | ||
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| Language of Publication | English | ||
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| Publication Type | Journal | ||
| Abbreviation | J. Biol. Chem. | ||
| Title | Journal of Biological Chemistry | ||
| Publication Year | 1905- | ||
| ISBN/ISSN | 0021-9258 | ||
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Data from Reference
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| Alleles (7)
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| Genes (55)
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