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- PDB-8evj: CX3CR1 nucleosome bound PU.1 and C/EBPa -

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Basic information

Entry
Database: PDB / ID: 8evj
TitleCX3CR1 nucleosome bound PU.1 and C/EBPa
Components
  • (DNA (167-MER)) x 2
  • Histone H2A type 2-C
  • Histone H2B type 2-E
  • Histone H3.1
  • Histone H4
  • ScFv
  • Transcription factor PU.1
KeywordsTRANSCRIPTION/DNA / nucleosome / transcription factor / transcription / CHROMATIN BINDING PROTEIN-DNA complex / DNA BINDING PROTEIN / TRANSCRIPTION-DNA complex
Function / homology
Function and homology information


positive regulation of antifungal innate immune response / regulation of myeloid progenitor cell differentiation / anatomical structure regression / pro-T cell differentiation / positive regulation of myeloid dendritic cell chemotaxis / negative regulation of neutrophil degranulation / myeloid leukocyte differentiation / follicular B cell differentiation / positive regulation of microglial cell mediated cytotoxicity / germinal center B cell differentiation ...positive regulation of antifungal innate immune response / regulation of myeloid progenitor cell differentiation / anatomical structure regression / pro-T cell differentiation / positive regulation of myeloid dendritic cell chemotaxis / negative regulation of neutrophil degranulation / myeloid leukocyte differentiation / follicular B cell differentiation / positive regulation of microglial cell mediated cytotoxicity / germinal center B cell differentiation / TRAIL-activated apoptotic signaling pathway / lymphocyte differentiation / granulocyte differentiation / negative regulation of MHC class II biosynthetic process / endothelial to hematopoietic transition / negative regulation of adipose tissue development / apoptotic process involved in blood vessel morphogenesis / pericyte cell differentiation / lymphoid progenitor cell differentiation / immature B cell differentiation / myeloid dendritic cell differentiation / defense response to tumor cell / vasculature development / oncogene-induced cell senescence / positive regulation of p38MAPK cascade / negative regulation of non-canonical NF-kappaB signal transduction / negative regulation of protein localization to chromatin / positive regulation of B cell differentiation / interleukin-6-mediated signaling pathway / STAT family protein binding / NFAT protein binding / macrophage differentiation / cellular response to ethanol / somatic stem cell population maintenance / negative regulation of megakaryocyte differentiation / cis-regulatory region sequence-specific DNA binding / protein localization to CENP-A containing chromatin / Chromatin modifying enzymes / Replacement of protamines by nucleosomes in the male pronucleus / CENP-A containing nucleosome / Packaging Of Telomere Ends / negative regulation of canonical NF-kappaB signal transduction / Recognition and association of DNA glycosylase with site containing an affected purine / Cleavage of the damaged purine / Deposition of new CENPA-containing nucleosomes at the centromere / transcription initiation-coupled chromatin remodeling / transforming growth factor beta receptor signaling pathway / telomere organization / Recognition and association of DNA glycosylase with site containing an affected pyrimidine / Cleavage of the damaged pyrimidine / Interleukin-7 signaling / protein sequestering activity / RNA Polymerase I Promoter Opening / epigenetic regulation of gene expression / osteoclast differentiation / Inhibition of DNA recombination at telomere / lipopolysaccharide-mediated signaling pathway / Assembly of the ORC complex at the origin of replication / Meiotic synapsis / SUMOylation of chromatin organization proteins / Regulation of endogenous retroelements by the Human Silencing Hub (HUSH) complex / DNA methylation / Condensation of Prophase Chromosomes / Chromatin modifications during the maternal to zygotic transition (MZT) / SIRT1 negatively regulates rRNA expression / HCMV Late Events / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / erythrocyte differentiation / PRC2 methylates histones and DNA / Regulation of endogenous retroelements by KRAB-ZFP proteins / innate immune response in mucosa / Defective pyroptosis / HDACs deacetylate histones / Regulation of endogenous retroelements by Piwi-interacting RNAs (piRNAs) / RNA Polymerase I Promoter Escape / Nonhomologous End-Joining (NHEJ) / Transcriptional regulation by small RNAs / regulation of erythrocyte differentiation / Formation of the beta-catenin:TCF transactivating complex / Activated PKN1 stimulates transcription of AR (androgen receptor) regulated genes KLK2 and KLK3 / RUNX1 regulates genes involved in megakaryocyte differentiation and platelet function / HDMs demethylate histones / G2/M DNA damage checkpoint / NoRC negatively regulates rRNA expression / positive regulation of miRNA transcription / B-WICH complex positively regulates rRNA expression / PKMTs methylate histone lysines / DNA Damage/Telomere Stress Induced Senescence / DNA-binding transcription repressor activity, RNA polymerase II-specific / Pre-NOTCH Transcription and Translation / Meiotic recombination / histone deacetylase binding / Activation of anterior HOX genes in hindbrain development during early embryogenesis / Metalloprotease DUBs / RMTs methylate histone arginines / Transcriptional regulation of granulopoiesis / HCMV Early Events / antimicrobial humoral immune response mediated by antimicrobial peptide / structural constituent of chromatin / UCH proteinases
Similarity search - Function
Ets-domain signature 1. / Ets-domain signature 2. / Ets domain / ETS family / Ets-domain / Ets-domain profile. / erythroblast transformation specific domain / : / Histone H2B signature. / Histone H2A conserved site ...Ets-domain signature 1. / Ets-domain signature 2. / Ets domain / ETS family / Ets-domain / Ets-domain profile. / erythroblast transformation specific domain / : / Histone H2B signature. / Histone H2A conserved site / Histone H2A signature. / Histone H2B / Histone H2B / Histone H2A, C-terminal domain / C-terminus of histone H2A / Histone 2A / Histone H2A / TATA box binding protein associated factor / TATA box binding protein associated factor (TAF), histone-like fold domain / Histone H4, conserved site / Histone H4 signature. / Histone H4 / Histone H4 / CENP-T/Histone H4, histone fold / Centromere kinetochore component CENP-T histone fold / Histone H3 signature 1. / Histone H3 signature 2. / Histone H3 / Histone H3/CENP-A / Histone H2A/H2B/H3 / Core histone H2A/H2B/H3/H4 domain / Histone-fold / Winged helix DNA-binding domain superfamily / Winged helix-like DNA-binding domain superfamily
Similarity search - Domain/homology
DNA / DNA (> 10) / DNA (> 100) / Transcription factor PU.1 / Histone H4 / Histone H3.1 / Histone H2A type 2-C / Histone H2B type 2-E
Similarity search - Component
Biological speciesHomo sapiens (human)
Escherichia coli (E. coli)
Mus musculus (house mouse)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4.1 Å
AuthorsGuan, R. / Bai, Y. / Lian, T.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Cancer Institute (NIH/NCI) United States
CitationJournal: Nat Struct Mol Biol / Year: 2024
Title: Structural mechanism of synergistic targeting of the CX3CR1 nucleosome by PU.1 and C/EBPα.
Authors: Tengfei Lian / Ruifang Guan / Bing-Rui Zhou / Yawen Bai /
Abstract: Pioneer transcription factors are vital for cell fate changes. PU.1 and C/EBPα work together to regulate hematopoietic stem cell differentiation. However, how they recognize in vivo nucleosomal DNA ...Pioneer transcription factors are vital for cell fate changes. PU.1 and C/EBPα work together to regulate hematopoietic stem cell differentiation. However, how they recognize in vivo nucleosomal DNA targets remains elusive. Here we report the structures of the nucleosome containing the mouse genomic CX3CR1 enhancer DNA and its complexes with PU.1 alone and with both PU.1 and the C/EBPα DNA binding domain. Our structures reveal that PU.1 binds the DNA motif at the exit linker, shifting 17 bp of DNA into the core region through interactions with H2A, unwrapping ~20 bp of nucleosomal DNA. C/EBPα binding, aided by PU.1's repositioning, unwraps ~25 bp of entry DNA. The PU.1 Q218H mutation, linked to acute myeloid leukemia, disrupts PU.1-H2A interactions. PU.1 and C/EBPα jointly displace linker histone H1 and open the H1-condensed nucleosome array. Our study unveils how two pioneer factors can work cooperatively to open closed chromatin by altering DNA positioning in the nucleosome.
History
DepositionOct 20, 2022Deposition site: RCSB / Processing site: RCSB
Revision 1.0Nov 1, 2023Provider: repository / Type: Initial release
Revision 1.1Jan 31, 2024Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.title / _citation.year
Revision 1.2Feb 7, 2024Group: Data collection / Database references / Structure summary
Category: audit_author / citation ...audit_author / citation / citation_author / em_author_list
Item: _audit_author.name / _citation.pdbx_database_id_DOI ..._audit_author.name / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID / _citation_author.name / _em_author_list.author
Revision 1.3May 1, 2024Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation_author.identifier_ORCID
Revision 1.4Oct 30, 2024Group: Data collection / Structure summary
Category: em_admin / pdbx_entry_details / pdbx_modification_feature
Item: _em_admin.last_update

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
J: DNA (167-MER)
I: DNA (167-MER)
A: Histone H3.1
B: Histone H4
C: Histone H2A type 2-C
D: Histone H2B type 2-E
E: Histone H3.1
F: Histone H4
G: Histone H2A type 2-C
H: Histone H2B type 2-E
M: ScFv
N: ScFv
O: Transcription factor PU.1


Theoretical massNumber of molelcules
Total (without water)303,62913
Polymers303,62913
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

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DNA chain , 2 types, 2 molecules JI

#1: DNA chain DNA (167-MER)


Mass: 51538.973 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Mus musculus (house mouse)
#2: DNA chain DNA (167-MER)


Mass: 51558.816 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Mus musculus (house mouse)

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Protein , 5 types, 9 molecules AEBFCGDHO

#3: Protein Histone H3.1 / Histone H3/a / Histone H3/b / Histone H3/c / Histone H3/d / Histone H3/f / Histone H3/h / Histone ...Histone H3/a / Histone H3/b / Histone H3/c / Histone H3/d / Histone H3/f / Histone H3/h / Histone H3/i / Histone H3/j / Histone H3/k / Histone H3/l


Mass: 15437.167 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human)
Gene: H3C1, H3FA, HIST1H3A, H3C2, H3FL, HIST1H3B, H3C3, H3FC HIST1H3C, H3C4, H3FB, HIST1H3D, H3C6, H3FD, HIST1H3E, H3C7, H3FI, HIST1H3F, H3C8, H3FH, HIST1H3G, H3C10, H3FK, HIST1H3H, H3C11, H3FF, ...Gene: H3C1, H3FA, HIST1H3A, H3C2, H3FL, HIST1H3B, H3C3, H3FC HIST1H3C, H3C4, H3FB, HIST1H3D, H3C6, H3FD, HIST1H3E, H3C7, H3FI, HIST1H3F, H3C8, H3FH, HIST1H3G, H3C10, H3FK, HIST1H3H, H3C11, H3FF, HIST1H3I, H3C12, H3FJ, HIST1H3J
Production host: Escherichia coli (E. coli) / References: UniProt: P68431
#4: 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
Production host: Escherichia coli (E. coli) / References: UniProt: P62805
#5: Protein Histone H2A type 2-C / H2A-clustered histone 20 / Histone H2A-GL101 / Histone H2A/q


Mass: 14019.467 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: H2AC20, H2AFQ, HIST2H2AC / Production host: Escherichia coli (E. coli) / References: UniProt: Q16777
#6: Protein Histone H2B type 2-E / H2B-clustered histone 21 / Histone H2B-GL105 / Histone H2B.q / H2B/q


Mass: 13951.239 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: H2BC21, H2BFQ, HIST2H2BE / Production host: Escherichia coli (E. coli) / References: UniProt: Q16778
#8: Protein Transcription factor PU.1 / 31 kDa-transforming protein / SFFV proviral integration 1 protein


Mass: 32865.844 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: Spi1, Sfpi-1, Sfpi1 / Production host: Escherichia coli (E. coli) / References: UniProt: P17433

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Antibody , 1 types, 2 molecules MN

#7: Antibody ScFv


Mass: 29030.146 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Production host: Escherichia coli (E. coli)

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Details

Has protein modificationY

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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

ComponentName: nucleosome complexed with PU.1 and C/EBPa / Type: COMPLEX / Entity ID: all / Source: RECOMBINANT
Source (natural)Organism: Mus musculus (house mouse)
Source (recombinant)Organism: Escherichia coli (E. coli)
Buffer solutionpH: 7.1
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: SPOT SCAN
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2000 nm / Nominal defocus min: 1000 nm
Image recordingElectron dose: 53.8 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

EM softwareName: PHENIX / Version: 1.20rc2_4400: / Category: model refinement
CTF correctionType: NONE
3D reconstructionResolution: 4.1 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 15710 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00516820
ELECTRON MICROSCOPYf_angle_d0.91323891
ELECTRON MICROSCOPYf_dihedral_angle_d29.9414211
ELECTRON MICROSCOPYf_chiral_restr0.052681
ELECTRON MICROSCOPYf_plane_restr0.0072053

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