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  A high-throughput screen for transcription activation domains reveals their sequence features and permits prediction by deep learning

Erijman, A., Kozlowski, L. P., Sohrabi-Jahromi, S., Fishburn, J., Warfield, L., Schreiber, J., et al. (2020). A high-throughput screen for transcription activation domains reveals their sequence features and permits prediction by deep learning. Molecular Cell, 78(5), 890-902.e6. doi:10.1016/j.molcel.2020.04.020.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0007-646F-D Version Permalink: http://hdl.handle.net/21.11116/0000-0007-6471-9
Genre: Journal Article

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 Creators:
Erijman, A., Author
Kozlowski, L. P.1, Author              
Sohrabi-Jahromi, S.1, Author              
Fishburn, J., Author
Warfield, L., Author
Schreiber, J., Author
Noble, W. S., Author
Söding, J.1, Author              
Hahn, S., Author
Affiliations:
1Research Group of Computational Biology, MPI for Biophysical Chemistry, Max Planck Society, ou_1933286              

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Free keywords: transcription activation; intrinsically disordered protein; deep learning; machine learning; avidity; allovalency; activator; transcriptional regulation; enhancer; coactivator
 Abstract: Acidic transcription activation domains (ADs) are encoded by a wide range of seemingly unrelated amino acid sequences, making it difficult to recognize features that promote their dynamic behavior, “fuzzy” interactions, and target specificity. We screened a large set of random 30-mer peptides for AD function in yeast and trained a deep neural network (ADpred) on the AD-positive and -negative sequences. ADpred identifies known acidic ADs within transcription factors and accurately predicts the consequences of mutations. Our work reveals that strong acidic ADs contain multiple clusters of hydrophobic residues near acidic side chains, explaining why ADs often have a biased amino acid composition. ADs likely use a binding mechanism similar to avidity where a minimum number of weak dynamic interactions are required between activator and target to generate biologically relevant affinity and in vivo function. This mechanism explains the basis for fuzzy binding observed between acidic ADs and targets.

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Language(s): eng - English
 Dates: 2020-05-152020-06-04
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.molcel.2020.04.020
 Degree: -

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Title: Molecular Cell
Source Genre: Journal
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Pages: - Volume / Issue: 78 (5) Sequence Number: - Start / End Page: 890 - 902.e6 Identifier: -