+Open data
-Basic information
Entry | Database: EMDB / ID: EMD-40737 | |||||||||
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Title | FoxP3 forms Ladder-like multimer to bridge TTTG repeats | |||||||||
Map data | ||||||||||
Sample |
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Keywords | FoxP3 / STRs / transcriptional factor / FKH / TRANSCRIPTION / TRANSCRIPTION-DNA complex | |||||||||
Function / homology | Function and homology information T cell tolerance induction / positive regulation of peripheral T cell tolerance induction / CD4-positive, CD25-positive, alpha-beta regulatory T cell lineage commitment / tolerance induction / establishment of endothelial blood-brain barrier / positive regulation of CD4-positive, alpha-beta T cell differentiation / negative regulation of alpha-beta T cell proliferation / response to rapamycin / alpha-beta T cell proliferation / negative regulation of interleukin-4 production ...T cell tolerance induction / positive regulation of peripheral T cell tolerance induction / CD4-positive, CD25-positive, alpha-beta regulatory T cell lineage commitment / tolerance induction / establishment of endothelial blood-brain barrier / positive regulation of CD4-positive, alpha-beta T cell differentiation / negative regulation of alpha-beta T cell proliferation / response to rapamycin / alpha-beta T cell proliferation / negative regulation of interleukin-4 production / negative regulation of CREB transcription factor activity / RUNX1 and FOXP3 control the development of regulatory T lymphocytes (Tregs) / CD4-positive, CD25-positive, alpha-beta regulatory T cell differentiation / negative regulation of T cell cytokine production / transforming growth factor beta1 production / negative regulation of chronic inflammatory response / negative regulation of interleukin-5 production / regulation of isotype switching to IgG isotypes / regulatory T cell differentiation / tolerance induction to self antigen / negative regulation of defense response to virus / T cell mediated immunity / negative regulation of lymphocyte proliferation / negative regulation of T-helper 17 cell differentiation / positive regulation of transforming growth factor beta1 production / T cell anergy / positive regulation of T cell anergy / lymphocyte proliferation / immature T cell proliferation in thymus / positive regulation of T cell tolerance induction / negative regulation of isotype switching to IgE isotypes / isotype switching to IgE isotypes / CD4-positive, alpha-beta T cell differentiation / positive regulation of immature T cell proliferation in thymus / CD4-positive, alpha-beta T cell proliferation / positive regulation of CD4-positive, CD25-positive, alpha-beta regulatory T cell differentiation / regulation of immunoglobulin production / negative regulation of immune response / negative regulation of CD4-positive, alpha-beta T cell proliferation / positive regulation of regulatory T cell differentiation / negative regulation of interleukin-17 production / regulation of T cell anergy / myeloid cell homeostasis / negative regulation of cytokine production / negative regulation of NF-kappaB transcription factor activity / negative regulation of interleukin-2 production / histone acetyltransferase binding / negative regulation of interleukin-10 production / NFAT protein binding / positive regulation of interleukin-4 production / B cell homeostasis / negative regulation of interleukin-6 production / negative regulation of type II interferon production / negative regulation of tumor necrosis factor production / negative regulation of T cell proliferation / T cell proliferation / T cell activation / response to virus / negative regulation of DNA-binding transcription factor activity / DNA-binding transcription repressor activity, RNA polymerase II-specific / negative regulation of inflammatory response / histone deacetylase binding / transcription corepressor activity / T cell receptor signaling pathway / gene expression / DNA-binding transcription activator activity, RNA polymerase II-specific / sequence-specific DNA binding / response to lipopolysaccharide / transcription by RNA polymerase II / DNA-binding transcription factor activity, RNA polymerase II-specific / inflammatory response / chromatin remodeling / DNA-binding transcription factor activity / RNA polymerase II cis-regulatory region sequence-specific DNA binding / negative regulation of cell population proliferation / negative regulation of gene expression / negative regulation of DNA-templated transcription / DNA-templated transcription / positive regulation of gene expression / regulation of transcription by RNA polymerase II / positive regulation of DNA-templated transcription / negative regulation of transcription by RNA polymerase II / protein homodimerization activity / positive regulation of transcription by RNA polymerase II / nucleoplasm / identical protein binding / nucleus / metal ion binding / cytosol / cytoplasm Similarity search - Function | |||||||||
Biological species | Mus musculus (house mouse) / synthetic construct (others) | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.7 Å | |||||||||
Authors | Leng F / Hur S | |||||||||
Funding support | United States, 1 items
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Citation | Journal: Nature / Year: 2023 Title: FOXP3 recognizes microsatellites and bridges DNA through multimerization. Authors: Wenxiang Zhang / Fangwei Leng / Xi Wang / Ricardo N Ramirez / Jinseok Park / Christophe Benoist / Sun Hur / Abstract: FOXP3 is a transcription factor that is essential for the development of regulatory T cells, a branch of T cells that suppress excessive inflammation and autoimmunity. However, the molecular ...FOXP3 is a transcription factor that is essential for the development of regulatory T cells, a branch of T cells that suppress excessive inflammation and autoimmunity. However, the molecular mechanisms of FOXP3 remain unclear. Here we here show that FOXP3 uses the forkhead domain-a DNA-binding domain that is commonly thought to function as a monomer or dimer-to form a higher-order multimer after binding to TG repeat microsatellites. The cryo-electron microscopy structure of FOXP3 in a complex with TG repeats reveals a ladder-like architecture, whereby two double-stranded DNA molecules form the two 'side rails' bridged by five pairs of FOXP3 molecules, with each pair forming a 'rung'. Each FOXP3 subunit occupies TGTTTGT within the repeats in a manner that is indistinguishable from that of FOXP3 bound to the forkhead consensus motif (TGTTTAC). Mutations in the intra-rung interface impair TG repeat recognition, DNA bridging and the cellular functions of FOXP3, all without affecting binding to the forkhead consensus motif. FOXP3 can tolerate variable inter-rung spacings, explaining its broad specificity for TG-repeat-like sequences in vivo and in vitro. Both FOXP3 orthologues and paralogues show similar TG repeat recognition and DNA bridging. These findings therefore reveal a mode of DNA recognition that involves transcription factor homomultimerization and DNA bridging, and further implicates microsatellites in transcriptional regulation and diseases. | |||||||||
History |
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-Structure visualization
Supplemental images |
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-Downloads & links
-EMDB archive
Map data | emd_40737.map.gz | 229.7 MB | EMDB map data format | |
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Header (meta data) | emd-40737-v30.xml emd-40737.xml | 15.2 KB 15.2 KB | Display Display | EMDB header |
FSC (resolution estimation) | emd_40737_fsc.xml | 14.8 KB | Display | FSC data file |
Images | emd_40737.png | 80 KB | ||
Filedesc metadata | emd-40737.cif.gz | 5.4 KB | ||
Others | emd_40737_half_map_1.map.gz emd_40737_half_map_2.map.gz | 226.2 MB 226.2 MB | ||
Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-40737 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-40737 | HTTPS FTP |
-Validation report
Summary document | emd_40737_validation.pdf.gz | 745.6 KB | Display | EMDB validaton report |
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Full document | emd_40737_full_validation.pdf.gz | 745.1 KB | Display | |
Data in XML | emd_40737_validation.xml.gz | 22 KB | Display | |
Data in CIF | emd_40737_validation.cif.gz | 28 KB | Display | |
Arichive directory | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-40737 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-40737 | HTTPS FTP |
-Related structure data
Related structure data | 8srpMC 8sroC M: atomic model generated by this map C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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Related items in Molecule of the Month |
-Map
File | Download / File: emd_40737.map.gz / Format: CCP4 / Size: 244.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 0.844 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Half map: #2
File | emd_40737_half_map_1.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Half map: #1
File | emd_40737_half_map_2.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Sample components
-Entire : FoxP3-DNA complex
Entire | Name: FoxP3-DNA complex |
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Components |
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-Supramolecule #1: FoxP3-DNA complex
Supramolecule | Name: FoxP3-DNA complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all |
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Source (natural) | Organism: Mus musculus (house mouse) |
-Macromolecule #1: Forkhead box protein P3
Macromolecule | Name: Forkhead box protein P3 / type: protein_or_peptide / ID: 1 / Number of copies: 10 / Enantiomer: LEVO |
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Source (natural) | Organism: Mus musculus (house mouse) |
Molecular weight | Theoretical: 27.282246 KDa |
Recombinant expression | Organism: Escherichia coli BL21(DE3) (bacteria) |
Sequence | String: GSYPLLANGV CKWPGCEKVF EEPEEFLKHC QADHLLDEKG KAQCLLQREV VQSLEQQLEL EKEKLGAMQA HLAGKMALAK APSVASMDK SSCCIVATST QGSVLPAWSA PREAPDGGLF AVRRHLWGSH GNSSFPEFFH NMDYFKYHNM RPPFTYATLI R WAILEAPE ...String: GSYPLLANGV CKWPGCEKVF EEPEEFLKHC QADHLLDEKG KAQCLLQREV VQSLEQQLEL EKEKLGAMQA HLAGKMALAK APSVASMDK SSCCIVATST QGSVLPAWSA PREAPDGGLF AVRRHLWGSH GNSSFPEFFH NMDYFKYHNM RPPFTYATLI R WAILEAPE RQRTLNEIYH WFTRMFAYFR NHPATWKNAI RHNLSLHKCF VRVESEKGAV WTVDEFEFRK KRSQRPNK UniProtKB: Forkhead box protein P3 |
-Macromolecule #2: DNA 72-mer
Macromolecule | Name: DNA 72-mer / type: dna / ID: 2 / Number of copies: 2 / Classification: DNA |
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Source (natural) | Organism: synthetic construct (others) |
Molecular weight | Theoretical: 22.07349 KDa |
Sequence | String: (DC)(DA)(DA)(DA)(DC)(DA)(DA)(DA)(DC)(DA) (DA)(DA)(DC)(DA)(DA)(DA)(DC)(DA)(DA)(DA) (DC)(DA)(DA)(DA)(DC)(DA)(DA)(DA)(DC) (DA)(DA)(DA)(DC)(DA)(DA)(DA)(DC)(DA)(DA) (DA) (DC)(DA)(DA)(DA)(DC)(DA) ...String: (DC)(DA)(DA)(DA)(DC)(DA)(DA)(DA)(DC)(DA) (DA)(DA)(DC)(DA)(DA)(DA)(DC)(DA)(DA)(DA) (DC)(DA)(DA)(DA)(DC)(DA)(DA)(DA)(DC) (DA)(DA)(DA)(DC)(DA)(DA)(DA)(DC)(DA)(DA) (DA) (DC)(DA)(DA)(DA)(DC)(DA)(DA)(DA) (DC)(DA)(DA)(DA)(DC)(DA)(DA)(DA)(DC)(DA) (DA)(DA) (DC)(DA)(DA)(DA)(DC)(DA)(DA) (DA)(DC)(DA)(DA)(DA) |
-Macromolecule #3: DNA 72-mer
Macromolecule | Name: DNA 72-mer / type: dna / ID: 3 / Number of copies: 2 / Classification: DNA |
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Source (natural) | Organism: synthetic construct (others) |
Molecular weight | Theoretical: 22.307139 KDa |
Sequence | String: (DT)(DT)(DT)(DG)(DT)(DT)(DT)(DG)(DT)(DT) (DT)(DG)(DT)(DT)(DT)(DG)(DT)(DT)(DT)(DG) (DT)(DT)(DT)(DG)(DT)(DT)(DT)(DG)(DT) (DT)(DT)(DG)(DT)(DT)(DT)(DG)(DT)(DT)(DT) (DG) (DT)(DT)(DT)(DG)(DT)(DT) ...String: (DT)(DT)(DT)(DG)(DT)(DT)(DT)(DG)(DT)(DT) (DT)(DG)(DT)(DT)(DT)(DG)(DT)(DT)(DT)(DG) (DT)(DT)(DT)(DG)(DT)(DT)(DT)(DG)(DT) (DT)(DT)(DG)(DT)(DT)(DT)(DG)(DT)(DT)(DT) (DG) (DT)(DT)(DT)(DG)(DT)(DT)(DT)(DG) (DT)(DT)(DT)(DG)(DT)(DT)(DT)(DG)(DT)(DT) (DT)(DG) (DT)(DT)(DT)(DG)(DT)(DT)(DT) (DG)(DT)(DT)(DT)(DG) |
-Experimental details
-Structure determination
Method | cryo EM |
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Processing | single particle reconstruction |
Aggregation state | particle |
-Sample preparation
Concentration | 1 mg/mL |
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Buffer | pH: 7.5 |
Vitrification | Cryogen name: ETHANE |
-Electron microscopy
Microscope | FEI TITAN KRIOS |
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Image recording | Film or detector model: GATAN K3 (6k x 4k) / Average electron dose: 60.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.1 µm / Nominal defocus min: 0.7000000000000001 µm |
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |