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- PDB-6t7a: Structure of human Sox11 transcription factor in complex with a n... -

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Basic information

Entry
Database: PDB / ID: 6t7a
TitleStructure of human Sox11 transcription factor in complex with a nucleosome
Components
  • (DNA (147-MER)) x 2
  • Histone H2A type 1-B/E
  • Histone H2B type 1-K
  • Histone H3.2
  • Histone H4
  • Transcription factor SOX-11
KeywordsNUCLEAR PROTEIN / Nucleosome / DNA / histones / Sox11 / transcription factor / pioneer factor
Function / homology
Function and homology information


positive regulation of lens epithelial cell proliferation / closure of optic fissure / soft palate development / noradrenergic neuron differentiation / cardiac ventricle formation / cornea development in camera-type eye / positive regulation of hippo signaling / negative regulation of lymphocyte proliferation / glial cell development / hard palate development ...positive regulation of lens epithelial cell proliferation / closure of optic fissure / soft palate development / noradrenergic neuron differentiation / cardiac ventricle formation / cornea development in camera-type eye / positive regulation of hippo signaling / negative regulation of lymphocyte proliferation / glial cell development / hard palate development / neural tube formation / glial cell proliferation / embryonic skeletal system morphogenesis / lens morphogenesis in camera-type eye / negative regulation of transcription regulatory region DNA binding / negative regulation of glial cell proliferation / limb bud formation / embryonic digestive tract morphogenesis / regulation of transforming growth factor beta receptor signaling pathway / somite development / neuroepithelial cell differentiation / positive regulation of stem cell proliferation / neural crest cell development / sympathetic nervous system development / positive regulation of hormone secretion / positive regulation of ossification / eyelid development in camera-type eye / positive regulation of BMP signaling pathway / positive regulation of neurogenesis / skeletal muscle cell differentiation / oligodendrocyte development / lung morphogenesis / ventricular septum morphogenesis / outflow tract morphogenesis / negative regulation of megakaryocyte differentiation / spinal cord development / Packaging Of Telomere Ends / Cleavage of the damaged purine / Recognition and association of DNA glycosylase with site containing an affected purine / Chromatin modifying enzymes / Deposition of new CENPA-containing nucleosomes at the centromere / DNA replication-independent chromatin assembly / Recognition and association of DNA glycosylase with site containing an affected pyrimidine / Cleavage of the damaged pyrimidine / Inhibition of DNA recombination at telomere / anatomical structure morphogenesis / Meiotic synapsis / heterochromatin assembly => GO:0031507 / positive regulation of osteoblast differentiation / telomere organization / RNA Polymerase I Promoter Opening / SUMOylation of chromatin organization proteins / Interleukin-7 signaling / DNA replication-dependent chromatin assembly / negative regulation of cell death / DNA methylation / HCMV Late Events / innate immune response in mucosa / SIRT1 negatively regulates rRNA expression / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / Condensation of Prophase Chromosomes / PRC2 methylates histones and DNA / Defective pyroptosis / RNA Polymerase I Promoter Escape / HDACs deacetylate histones / nuclear chromosome / Transcriptional regulation by small RNAs / NoRC negatively regulates rRNA expression / Nonhomologous End-Joining (NHEJ) / Formation of the beta-catenin:TCF transactivating complex / positive regulation of neuron differentiation / skeletal system development / RUNX1 regulates genes involved in megakaryocyte differentiation and platelet function / B-WICH complex positively regulates rRNA expression / DNA-templated transcription, initiation / Metalloprotease DUBs / Activated PKN1 stimulates transcription of AR (androgen receptor) regulated genes KLK2 and KLK3 / DNA Damage/Telomere Stress Induced Senescence / G2/M DNA damage checkpoint / nucleosome assembly / RMTs methylate histone arginines / neuron differentiation / HCMV Early Events / HDMs demethylate histones / Pre-NOTCH Transcription and Translation / Meiotic recombination / PKMTs methylate histone lysines / nucleosome / Activation of anterior HOX genes in hindbrain development during early embryogenesis / UCH proteinases / Transcriptional regulation of granulopoiesis / E3 ubiquitin ligases ubiquitinate target proteins / RUNX1 regulates transcription of genes involved in differentiation of HSCs / Recruitment and ATM-mediated phosphorylation of repair and signaling proteins at DNA double strand breaks / kidney development / Processing of DNA double-strand break ends / Factors involved in megakaryocyte development and platelet production / HATs acetylate histones / Senescence-Associated Secretory Phenotype (SASP) / chromosome, telomeric region
Similarity search - Function
Transcription factor SOX-11 / Transcription factor SOX-12/11/4 / High mobility group box domain / DNA Binding (I), subunit A / HMG (high mobility group) box / HMG boxes A and B DNA-binding domains profile. / Histone, subunit A / high mobility group / High mobility group box domain / High mobility group box domain superfamily ...Transcription factor SOX-11 / Transcription factor SOX-12/11/4 / High mobility group box domain / DNA Binding (I), subunit A / HMG (high mobility group) box / HMG boxes A and B DNA-binding domains profile. / Histone, subunit A / high mobility group / High mobility group box domain / High mobility group box domain superfamily / Histone, subunit A / Histone H2B signature. / Histone H2B / Histone H2B / Histone H2A conserved site / Histone H2A signature. / Histone H2A, C-terminal domain / C-terminus of histone H2A / Histone H2A / Histone 2A / Histone H4 signature. / Histone H4, conserved site / Histone H4 / Histone H4 / CENP-T/Histone H4, histone fold / Centromere kinetochore component CENP-T histone fold / TATA box binding protein associated factor / TATA box binding protein associated factor (TAF) / Histone H3 signature 1. / Histone H3 signature 2. / Histone H3 / Histone H3/CENP-A / Histone H2A/H2B/H3 / Core histone H2A/H2B/H3/H4 / Histone-fold / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
DNA (> 100) / DNA (> 10) / DNA / Histone H2B type 1-K / Histone H2A type 1-B/E / Transcription factor SOX-11 / Histone H4 / Histone H3.2
Similarity search - Component
Biological speciesHomo sapiens (human)
synthetic construct (others)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.7 Å
AuthorsDodonova, S.O. / Zhu, F. / Dienemann, C. / Taipale, J. / Cramer, P.
Funding support Germany, 3items
OrganizationGrant numberCountry
European Research Council (ERC)693023 Germany
European Molecular Biology Organization (EMBO)ALTF-949-2016 Germany
Volkswagen Foundation Germany
CitationJournal: Nature / Year: 2020
Title: Nucleosome-bound SOX2 and SOX11 structures elucidate pioneer factor function.
Authors: Svetlana O Dodonova / Fangjie Zhu / Christian Dienemann / Jussi Taipale / Patrick Cramer /
Abstract: 'Pioneer' transcription factors are required for stem-cell pluripotency, cell differentiation and cell reprogramming. Pioneer factors can bind nucleosomal DNA to enable gene expression from regions ...'Pioneer' transcription factors are required for stem-cell pluripotency, cell differentiation and cell reprogramming. Pioneer factors can bind nucleosomal DNA to enable gene expression from regions of the genome with closed chromatin. SOX2 is a prominent pioneer factor that is essential for pluripotency and self-renewal of embryonic stem cells. Here we report cryo-electron microscopy structures of the DNA-binding domains of SOX2 and its close homologue SOX11 bound to nucleosomes. The structures show that SOX factors can bind and locally distort DNA at superhelical location 2. The factors also facilitate detachment of terminal nucleosomal DNA from the histone octamer, which increases DNA accessibility. SOX-factor binding to the nucleosome can also lead to a repositioning of the N-terminal tail of histone H4 that includes residue lysine 16. We speculate that this repositioning is incompatible with higher-order nucleosome stacking, which involves contacts of the H4 tail with a neighbouring nucleosome. Our results indicate that pioneer transcription factors can use binding energy to initiate chromatin opening, and thereby facilitate nucleosome remodelling and subsequent transcription.
History
DepositionOct 21, 2019Deposition site: PDBE / Processing site: PDBE
Revision 1.0Apr 29, 2020Provider: repository / Type: Initial release
Revision 1.1May 13, 2020Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID

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Structure visualization

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Assembly

Deposited unit
A: Histone H3.2
B: Histone H4
C: Histone H2A type 1-B/E
D: Histone H2B type 1-K
E: Histone H3.2
F: Histone H4
G: Histone H2A type 1-B/E
H: Histone H2B type 1-K
I: DNA (147-MER)
J: DNA (147-MER)
K: Transcription factor SOX-11


Theoretical massNumber of molelcules
Total (without water)218,40611
Polymers218,40611
Non-polymers00
Water0
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: native gel electrophoresis
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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Protein , 5 types, 9 molecules AEBFCGDHK

#1: Protein Histone H3.2 / Histone H3/m / Histone H3/o


Mass: 15389.036 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: HIST2H3A, HIST2H3C, H3F2, H3FM, HIST2H3D / Plasmid: pET22B / Production host: Escherichia coli (E. coli) / Variant (production host): CodonPlus-RIL / References: UniProt: Q71DI3
#2: Protein Histone H4 /


Mass: 11394.426 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human)
Gene: HIST1H4A, H4/A, H4FA, HIST1H4B, H4/I, H4FI, HIST1H4C, H4/G, H4FG, HIST1H4D, H4/B, H4FB, HIST1H4E, H4/J, H4FJ, HIST1H4F, H4/C, H4FC, HIST1H4H, H4/H, H4FH, HIST1H4I, H4/M, H4FM, HIST1H4J, H4/E, ...Gene: HIST1H4A, H4/A, H4FA, HIST1H4B, H4/I, H4FI, HIST1H4C, H4/G, H4FG, HIST1H4D, H4/B, H4FB, HIST1H4E, H4/J, H4FJ, HIST1H4F, H4/C, H4FC, HIST1H4H, H4/H, H4FH, HIST1H4I, H4/M, H4FM, HIST1H4J, H4/E, H4FE, HIST1H4K, H4/D, H4FD, HIST1H4L, H4/K, H4FK, HIST2H4A, H4/N, H4F2, H4FN, HIST2H4, HIST2H4B, H4/O, H4FO, HIST4H4
Plasmid: pET3a / Production host: Escherichia coli (E. coli) / References: UniProt: P62805
#3: Protein Histone H2A type 1-B/E / Histone H2A.2 / Histone H2A/a / Histone H2A/m


Mass: 16707.277 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: HIST1H2AB, H2AFM, HIST1H2AE, H2AFA / Plasmid: LIC-1B (MacroLabs) / Production host: Escherichia coli (E. coli) / References: UniProt: P04908
#4: Protein Histone H2B type 1-K / H2B K / HIRA-interacting protein 1


Mass: 13921.213 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: HIST1H2BK, H2BFT, HIRIP1 / Plasmid: pET22b / Production host: Escherichia coli (E. coli) / References: UniProt: O60814
#7: Protein Transcription factor SOX-11


Mass: 12856.941 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: SOX11 / Plasmid: LIC-1B (MacroLabs) / Production host: Escherichia coli (E. coli) / References: UniProt: P35716

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DNA chain , 2 types, 2 molecules IJ

#5: DNA chain DNA (147-MER)


Mass: 45240.848 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)
#6: DNA chain DNA (147-MER)


Mass: 45484.273 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

Component
IDNameTypeEntity IDParent-IDSource
1Structure of human Sox11 transcription factor in complex with a nucleosomeCOMPLEX#1-#70MULTIPLE SOURCES
2Sox11 transcription factor, histonesCOMPLEX#1-#4, #71RECOMBINANT
3DNACOMPLEX#5-#61RECOMBINANT
Molecular weightValue: 0.218 MDa / Experimental value: NO
Source (natural)
IDEntity assembly-IDOrganismNcbi tax-ID
22Homo sapiens (human)9606
33synthetic construct (others)32630
Source (recombinant)
IDEntity assembly-IDOrganismNcbi tax-ID
22Escherichia coli (E. coli)562
33synthetic construct (others)32630
Buffer solutionpH: 7.5
Buffer component
IDConc.NameFormulaBuffer-ID
120 mMHEPES1
230 mMNaClSodium chloride1
31 mMEDTAEthylenediaminetetraacetic acid1
42 mMDTT1
SpecimenConc.: 0.15 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportDetails: 0.39 mB, 25 mA / Grid material: COPPER / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R2/1
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 289 K
Details: The sample was applied onto glow-discharged Quantifoil holey carbon grids. The grids were blotted from both sides for 5-10 seconds at 16*C in a chamber at 100% humidity and plunge-frozen ...Details: The sample was applied onto glow-discharged Quantifoil holey carbon grids. The grids were blotted from both sides for 5-10 seconds at 16*C in a chamber at 100% humidity and plunge-frozen into liquid ethane using a manual plunger.

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Details: At least 50% of the data were collected at 25* stage tilt in order to partially compensate for preferred orientation of particles on the grid, and to improve angular distribution.
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELDBright-field microscopy / Nominal magnification: 130000 X / Nominal defocus max: 3500 nm / Nominal defocus min: 1000 nm / Cs: 2.7 mm / C2 aperture diameter: 100 µm / Alignment procedure: COMA FREE
Specimen holderCryogen: NITROGEN / Model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingElectron dose: 1.125 e/Å2 / Detector mode: COUNTING / Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Num. of grids imaged: 1
EM imaging opticsEnergyfilter name: GIF Bioquantum / Energyfilter slit width: 30 eV
Image scansMovie frames/image: 40

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Processing

EM software
IDNameCategory
1Gautomatchparticle selection
2EPUimage acquisition
4GctfCTF correction
9RELIONinitial Euler assignment
10RELIONfinal Euler assignment
11RELIONclassification
12RELION3D reconstruction
13PHENIXmodel refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 3.7 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 202142 / Symmetry type: POINT
EM volume selectionDetails: 1733 vesicles and near-complete buds were picked from 61 tomograms. Subtomograms were extracted from the surface of the vesicles.
Num. of tomograms: 54 / Num. of volumes extracted: 2547
Atomic model buildingB value: 100 / Protocol: OTHER / Space: REAL
Atomic model buildingPDB-ID: 6T79

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