Sangam: A Confluence of Knowledge Streams

Polymer Simulations of Heteromorphic Chromatin Predict the 3-D Folding of Complex Genomic Loci

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dc.contributor ERC - European Research Council
dc.contributor MRC - Medical Research Council
dc.contributor Brackley, Chris A
dc.creator Buckle, Adam
dc.creator Brackley, Chris A
dc.creator Marenduzzo, Davide
dc.creator Gilbert, Nick
dc.date 2018-09-04T17:35:04Z
dc.date 2018-09-04T17:35:04Z
dc.date.accessioned 2023-02-17T20:53:59Z
dc.date.available 2023-02-17T20:53:59Z
dc.identifier Buckle, Adam; Brackley, Chris A; Marenduzzo, Davide; Gilbert, Nick. (2018). Polymer Simulations of Heteromorphic Chromatin Predict the 3-D Folding of Complex Genomic Loci, [dataset]. University of Edinburgh. https://doi.org/10.7488/ds/2434.
dc.identifier https://hdl.handle.net/10283/3178
dc.identifier https://doi.org/10.7488/ds/2434
dc.identifier.uri http://localhost:8080/xmlui/handle/CUHPOERS/244168
dc.description This dataset contains data corresponding to the figures and supplemental figures of the manuscript "Polymer Simulations of Heteromorphic Chromatin Predict the 3-D Folding of Complex Genomic Loci". Data sets from next generation sequencing experiments (including full raw sequence data) will be deposited separately in the Gene Expression Omnibus. Chromatin folded into 3-D macromolecular structures is often analysed by 3C and FISH techniques, but these frequently provide contradictory results. Chromatin can be modelled as a simple polymer comprised of a connected chain of units. By embedding data for epigenetic marks (H3K27ac), chromatin accessibility (ATAC-seq) and structural anchors (CTCF) we developed a highly predictive heteromorphic polymer (HiP-HoP) model, where the chromatin fibre varied along its length; combined with diffusing protein bridges and loop extrusion this model predicted the 3-D organisation of genomic loci at a population and single cell level. The model was validated at several gene loci, including the complex Pax6 gene, and was able to determine locus conformations across cell types with varying levels of transcriptional activity and explain different mechanisms of enhancer use. Minimal a priori knowledge of epigenetic marks is sufficient to recapitulate complex genomic loci in 3-D and enable predictions of chromatin folding paths.
dc.description Details of the data are provided in the README text file. Data relating to each figure in the related manuscript are provided in a separate gzipped tar archive, and each of these contains an additional README text files with further details.
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dc.language eng
dc.publisher University of Edinburgh
dc.relation https://doi.org/10.1016/j.molcel.2018.09.016
dc.relation Buckle, A, Brackley, CA, Boyle, S, Marenduzzo, D & Gilbert, N 2018, 'Polymer Simulations of Heteromorphic Chromatin Predict the 3D Folding of Complex Genomic Loci' Molecular Cell. DOI: 10.1016/j.molcel.2018.09.016
dc.rights Creative Commons Attribution 4.0 International Public License
dc.subject chromosome conformation
dc.subject chromatin
dc.subject polymer modelling
dc.subject coarse grained molecular dynamics simulation
dc.subject Capture-C
dc.subject heteromorphic chromatin
dc.subject Biological Sciences::Molecular Biology Biophysics and Biochemistry
dc.title Polymer Simulations of Heteromorphic Chromatin Predict the 3-D Folding of Complex Genomic Loci
dc.type dataset


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Files Size Format View
ExampleSimulationInputScripts.tar.gz 7.941Mb application/gzip View/Open
Fig2.tar.gz 3.308Mb application/gzip View/Open
Fig3.tar.gz 22.18Kb application/gzip View/Open
Fig4.tar.gz 24.31Mb application/gzip View/Open
Fig5.tar.gz 47.33Mb application/gzip View/Open
Fig6.tar.gz 700.1Kb application/gzip View/Open
HiP-HoP_Pax6_FullConformations.tar.gz 82.86Mb application/gzip View/Open
README 941bytes application/octet-stream View/Open
SFig1.tar.gz 43.81Mb application/gzip View/Open
SFig2.tar.gz 7.792Mb application/gzip View/Open
SFig3.tar.gz 6.885Kb application/gzip View/Open
SFig4.tar.gz 8.830Mb application/gzip View/Open
SFig5.tar.gz 25.30Mb application/gzip View/Open
SFig6.tar.gz 6.383Mb application/gzip View/Open

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