Yeast heat shock transcription factor N-terminal activation domains are unstructured
Yeast heat shock transcription factor N-terminal activation domains are unstructured as probed by heteronuclear NMR spectroscopy.
http://www.ncbi.nlm.nih.gov/corehtml...REE_120x27.gif http://www.ncbi.nlm.nih.gov/corehtml...pubmed-pmc.gif Related Articles Yeast heat shock transcription factor N-terminal activation domains are unstructured as probed by heteronuclear NMR spectroscopy. Protein Sci. 1996 Feb;5(2):262-9 Authors: Cho HS, Liu CW, Damberger FF, Pelton JG, Nelson HC, Wemmer DE The structure and dynamics of the N-terminal activation domains of the yeast heat shock transcription factors of Kluyveromyces lactis and Saccharomyces cerevisiae were probed by heteronuclear 15N[1H] correlation and 15N[1H] NOE NMR studies. Using the DNA-binding domain as a structural reference, we show that the protein backbone of the N-terminal activation domain undergoes rapid, large-amplitude motions and is therefore unstructured. Difference CD data also show that the N-terminal activation domain remains random-coil, even in the presence of DNA. Implications for a "polypeptide lasso" model of transcriptional activation are discussed. PMID: 8745404 [PubMed - indexed for MEDLINE] Source: PubMed |
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