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| Content Provider | PubMed Central |
|---|---|
| Author | Fischer, L. Cavallini, B. Egly, J. M. Chambon, P. Moncollin, V. |
| Abstract | A class II (B) general transcription factor of 34 kDa has been purified from HeLa cells to apparent homogeneity. This factor appears to be transcription factor IIB (TFIIB), since it binds in vitro to template-committed preinitiation complexes formed between a template containing the TATA box/cap-site elements of the adenovirus type 2 major late promoter (Ad2MLP) and recombinant human or yeast TFIID (previously called BTF1) expressed in Escherichia coli. DNase I footprint studies show an extended pattern of protection of Ad2MLP TATA box/cap-site sequences when TFIIB is bound to template-committed complexes, even though TFIIB does not bind on its own to the template in the absence of TFIID. We also show that TFIIB is different from BTF3 by a number of criteria. |
| Starting Page | 397 |
| File Format | |
| ISSN | 10916490 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 1 |
| Volume Number | 89 |
| Language | English |
| Publisher Date | 1992-01-01 |
| Access Restriction | Open |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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