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- EMDB-10864: OCT4-SOX2-bound nucleosome - SHL+6 -

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Basic information

Entry
Database: EMDB / ID: EMD-10864
TitleOCT4-SOX2-bound nucleosome - SHL+6
Map dataOCT4-SOX2 bound to SHL 6
Sample
  • Complex: Ternary complex of OCT4-SOX2 and SHL+6 nucleosome
    • Complex: Histones
      • Protein or peptide: Histone H3.1
      • Protein or peptide: Histone H4
      • Protein or peptide: Histone H2A type 1-B/E
      • Protein or peptide: Histone H2B type 1-J
      • Protein or peptide: Histone H3.1
      • Protein or peptide: Histone H4
    • Complex: DNA
      • DNA: DNA (142-MER)
    • Complex: Green fluorescent protein,POU domain, class 5, transcription factor 1
      • Protein or peptide: Green fluorescent protein,POU domain, class 5, transcription factor 1
    • Complex: SOX2
      • Protein or peptide: Transcription factor SOX-2
  • Ligand: PENTANEDIAL
Function / homology
Function and homology information


glial cell fate commitment / regulation of myofibroblast cell apoptotic process / : / Formation of the posterior neural plate / cell fate commitment involved in formation of primary germ layer / cardiac cell fate determination / POU5F1 (OCT4), SOX2, NANOG repress genes related to differentiation / Formation of the anterior neural plate / endodermal-mesodermal cell signaling / regulation of asymmetric cell division ...glial cell fate commitment / regulation of myofibroblast cell apoptotic process / : / Formation of the posterior neural plate / cell fate commitment involved in formation of primary germ layer / cardiac cell fate determination / POU5F1 (OCT4), SOX2, NANOG repress genes related to differentiation / Formation of the anterior neural plate / endodermal-mesodermal cell signaling / regulation of asymmetric cell division / endodermal cell fate specification / response to oxygen-glucose deprivation / adenohypophysis development / Specification of primordial germ cells / heart induction / negative regulation of cell cycle G1/S phase transition / POU5F1 (OCT4), SOX2, NANOG activate genes related to proliferation / Specification of the neural plate border / pituitary gland development / Transcriptional Regulation by MECP2 / positive regulation of cell-cell adhesion / Transcriptional regulation of pluripotent stem cells / eye development / neuronal stem cell population maintenance / tissue regeneration / Germ layer formation at gastrulation / response to growth factor / miRNA binding / inner ear development / somatic stem cell population maintenance / blastocyst development / negative regulation of neuron differentiation / negative regulation of tumor necrosis factor-mediated signaling pathway / anatomical structure morphogenesis / negative regulation of megakaryocyte differentiation / BMP signaling pathway / protein localization to CENP-A containing chromatin / Transcriptional and post-translational regulation of MITF-M expression and activity / Chromatin modifying enzymes / Replacement of protamines by nucleosomes in the male pronucleus / CENP-A containing nucleosome / Packaging Of Telomere Ends / Recognition and association of DNA glycosylase with site containing an affected purine / Cleavage of the damaged purine / forebrain development / Deposition of new CENPA-containing nucleosomes at the centromere / nucleosomal DNA binding / Recognition and association of DNA glycosylase with site containing an affected pyrimidine / Cleavage of the damaged pyrimidine / Inhibition of DNA recombination at telomere / telomere organization / Meiotic synapsis / Interleukin-7 signaling / RNA Polymerase I Promoter Opening / epigenetic regulation of gene expression / Assembly of the ORC complex at the origin of replication / SUMOylation of chromatin organization proteins / bioluminescence / Regulation of endogenous retroelements by the Human Silencing Hub (HUSH) complex / DNA methylation / negative regulation of miRNA transcription / Condensation of Prophase Chromosomes / SIRT1 negatively regulates rRNA expression / Chromatin modifications during the maternal to zygotic transition (MZT) / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / HCMV Late Events / innate immune response in mucosa / PRC2 methylates histones and DNA / generation of precursor metabolites and energy / Regulation of endogenous retroelements by KRAB-ZFP proteins / Defective pyroptosis / Regulation of endogenous retroelements by Piwi-interacting RNAs (piRNAs) / HDACs deacetylate histones / Nonhomologous End-Joining (NHEJ) / Deactivation of the beta-catenin transactivating complex / positive regulation of cell differentiation / RNA Polymerase I Promoter Escape / lipopolysaccharide binding / Transcriptional regulation by small RNAs / Formation of the beta-catenin:TCF transactivating complex / brain development / RUNX1 regulates genes involved in megakaryocyte differentiation and platelet function / NoRC negatively regulates rRNA expression / Activated PKN1 stimulates transcription of AR (androgen receptor) regulated genes KLK2 and KLK3 / negative regulation of canonical Wnt signaling pathway / G2/M DNA damage checkpoint / HDMs demethylate histones / B-WICH complex positively regulates rRNA expression / neuron differentiation / DNA Damage/Telomere Stress Induced Senescence / heterochromatin formation / PKMTs methylate histone lysines / Metalloprotease DUBs / Meiotic recombination / DNA-binding transcription repressor activity, RNA polymerase II-specific / Pre-NOTCH Transcription and Translation / RMTs methylate histone arginines / response to wounding / Activation of anterior HOX genes in hindbrain development during early embryogenesis / HCMV Early Events
Similarity search - Function
Transcription factor SOX / SOX transcription factor / : / POU-specific domain / POU domain / Pou domain - N-terminal to homeobox domain / POU-specific (POUs) domain signature 1. / POU-specific (POUs) domain signature 2. / POU-specific (POUs) domain profile. / Found in Pit-Oct-Unc transcription factors ...Transcription factor SOX / SOX transcription factor / : / POU-specific domain / POU domain / Pou domain - N-terminal to homeobox domain / POU-specific (POUs) domain signature 1. / POU-specific (POUs) domain signature 2. / POU-specific (POUs) domain profile. / Found in Pit-Oct-Unc transcription factors / : / Homeobox, conserved site / 'Homeobox' domain signature. / Homeodomain / 'Homeobox' domain profile. / Homeodomain / Homeobox domain / HMG (high mobility group) box / HMG boxes A and B DNA-binding domains profile. / high mobility group / High mobility group box domain / High mobility group box domain superfamily / Lambda repressor-like, DNA-binding domain superfamily / Green fluorescent protein, GFP / Green fluorescent protein-related / Green fluorescent protein / Green fluorescent protein / 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 H4, conserved site / Histone H4 signature. / Histone H4 / Histone H4 / Histone H2A / Histone 2A / 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-like fold domain / Histone H3 signature 1. / Histone H3 signature 2. / Histone H3 / Histone H3/CENP-A / Homeobox-like domain superfamily / Histone H2A/H2B/H3 / Core histone H2A/H2B/H3/H4 / Histone-fold
Similarity search - Domain/homology
Histone H2A type 1-B/E / Histone H2B type 1-J / Green fluorescent protein / Transcription factor SOX-2 / Histone H4 / Histone H3.1 / POU domain, class 5, transcription factor 1
Similarity search - Component
Biological speciesHomo sapiens (human) / synthetic construct (others)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.42 Å
AuthorsMichael AK / Kempf G / Cavadini S / Bunker RD / Thoma NH
Funding support Switzerland, 1 items
OrganizationGrant numberCountry
Swiss National Science FoundationCRSII3_160734/1 Switzerland
CitationJournal: Science / Year: 2020
Title: Mechanisms of OCT4-SOX2 motif readout on nucleosomes.
Authors: Alicia K Michael / Ralph S Grand / Luke Isbel / Simone Cavadini / Zuzanna Kozicka / Georg Kempf / Richard D Bunker / Andreas D Schenk / Alexandra Graff-Meyer / Ganesh R Pathare / Joscha ...Authors: Alicia K Michael / Ralph S Grand / Luke Isbel / Simone Cavadini / Zuzanna Kozicka / Georg Kempf / Richard D Bunker / Andreas D Schenk / Alexandra Graff-Meyer / Ganesh R Pathare / Joscha Weiss / Syota Matsumoto / Lukas Burger / Dirk Schübeler / Nicolas H Thomä /
Abstract: Transcription factors (TFs) regulate gene expression through chromatin where nucleosomes restrict DNA access. To study how TFs bind nucleosome-occupied motifs, we focused on the reprogramming factors ...Transcription factors (TFs) regulate gene expression through chromatin where nucleosomes restrict DNA access. To study how TFs bind nucleosome-occupied motifs, we focused on the reprogramming factors OCT4 and SOX2 in mouse embryonic stem cells. We determined TF engagement throughout a nucleosome at base-pair resolution in vitro, enabling structure determination by cryo-electron microscopy at two preferred positions. Depending on motif location, OCT4 and SOX2 differentially distort nucleosomal DNA. At one position, OCT4-SOX2 removes DNA from histone H2A and histone H3; however, at an inverted motif, the TFs only induce local DNA distortions. OCT4 uses one of its two DNA-binding domains to engage DNA in both structures, reading out a partial motif. These findings explain site-specific nucleosome engagement by the pluripotency factors OCT4 and SOX2, and they reveal how TFs distort nucleosomes to access chromatinized motifs.
History
DepositionApr 15, 2020-
Header (metadata) releaseMay 6, 2020-
Map releaseMay 6, 2020-
UpdateJul 8, 2020-
Current statusJul 8, 2020Processing site: PDBe / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.11
  • Imaged by UCSF Chimera
  • Download
  • Surface view colored by radius
  • Surface level: 0.11
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-6yov
  • Surface level: 0.14
  • Imaged by UCSF Chimera
  • Download
Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_10864.png

Downloads & links

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Map

FileDownload / File: emd_10864.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationOCT4-SOX2 bound to SHL 6
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.86 Å/pix.
x 256 pix.
= 220.16 Å		0.86 Å/pix.
x 256 pix.
= 220.16 Å		0.86 Å/pix.
x 256 pix.
= 220.16 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.86 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.11 / Movie #1: 0.11
Minimum - Maximum-0.3390876 - 0.8904857
Average (Standard dev.)0.004771942 (±0.044493373)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 220.16 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z0.860.860.86
M x/y/z256256256
origin x/y/z0.0000.0000.000
length x/y/z220.160220.160220.160
α/β/γ90.00090.00090.000
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS256256256
D min/max/mean-0.3390.8900.005

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Supplemental data

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Sample components

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Entire : Ternary complex of OCT4-SOX2 and SHL+6 nucleosome

EntireName: Ternary complex of OCT4-SOX2 and SHL+6 nucleosome
Components
  • Complex: Ternary complex of OCT4-SOX2 and SHL+6 nucleosome
    • Complex: Histones
      • Protein or peptide: Histone H3.1
      • Protein or peptide: Histone H4
      • Protein or peptide: Histone H2A type 1-B/E
      • Protein or peptide: Histone H2B type 1-J
      • Protein or peptide: Histone H3.1
      • Protein or peptide: Histone H4
    • Complex: DNA
      • DNA: DNA (142-MER)
    • Complex: Green fluorescent protein,POU domain, class 5, transcription factor 1
      • Protein or peptide: Green fluorescent protein,POU domain, class 5, transcription factor 1
    • Complex: SOX2
      • Protein or peptide: Transcription factor SOX-2
  • Ligand: PENTANEDIAL

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Supramolecule #1: Ternary complex of OCT4-SOX2 and SHL+6 nucleosome

SupramoleculeName: Ternary complex of OCT4-SOX2 and SHL+6 nucleosome / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#9

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Supramolecule #2: Histones

SupramoleculeName: Histones / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1-#6
Source (natural)Organism: Homo sapiens (human)
Recombinant expressionOrganism: Escherichia coli 'BL21-Gold(DE3)pLysS AG' (bacteria)

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Supramolecule #3: DNA

SupramoleculeName: DNA / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #7
Source (natural)Organism: synthetic construct (others)
Recombinant expressionOrganism: synthetic construct (others)

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Supramolecule #4: Green fluorescent protein,POU domain, class 5, transcription factor 1

SupramoleculeName: Green fluorescent protein,POU domain, class 5, transcription factor 1
type: complex / ID: 4 / Parent: 1 / Macromolecule list: #8
Source (natural)Organism: Homo sapiens (human)
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)

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Supramolecule #5: SOX2

SupramoleculeName: SOX2 / type: complex / ID: 5 / Parent: 1 / Macromolecule list: #9
Source (natural)Organism: Homo sapiens (human)
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)

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Macromolecule #1: Histone H3.1

MacromoleculeName: Histone H3.1 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 15.719445 KDa
Recombinant expressionOrganism: Escherichia coli 'BL21-Gold(DE3)pLysS AG' (bacteria)
SequenceString:
GSHMARTKQT ARKSTGGKAP RKQLATKAAR KSAPATGGVK KPHRYRPGTV ALREIRRYQK STELLIRKLP FQRLVREIAQ DFKTDLRFQ SSAVMALQEA CEAYLVGLFE DTNLCAIHAK RVTIMPKDIQ LARRIRGERA

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Macromolecule #2: Histone H4

MacromoleculeName: Histone H4 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 11.547523 KDa
Recombinant expressionOrganism: Escherichia coli 'BL21-Gold(DE3)pLysS AG' (bacteria)
SequenceString:
GSHMSGRGKG GKGLGKGGAK RHRVLRDNIQ GITKPAIRRL ARRGGVKRIS GLIYEETRGV LKVFLENVIR DAVTYTEHAK RKTVTAMDV VYALKRQGRT LYGFGG

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Macromolecule #3: Histone H2A type 1-B/E

MacromoleculeName: Histone H2A type 1-B/E / type: protein_or_peptide / ID: 3 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 14.447825 KDa
Recombinant expressionOrganism: Escherichia coli 'BL21-Gold(DE3)pLysS AG' (bacteria)
SequenceString:
GSHMSGRGKQ GGKARAKAKT RSSRAGLQFP VGRVHRLLRK GNYSERVGAG APVYLAAVLE YLTAEILELA GNAARDNKKT RIIPRHLQL AIRNDEELNK LLGRVTIAQG GVLPNIQAVL LPKKTESHHK AKGK

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Macromolecule #4: Histone H2B type 1-J

MacromoleculeName: Histone H2B type 1-J / type: protein_or_peptide / ID: 4 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 14.088336 KDa
Recombinant expressionOrganism: Escherichia coli 'BL21-Gold(DE3)pLysS AG' (bacteria)
SequenceString:
GSHMPEPAKS APAPKKGSKK AVTKAQKKDG KKRKRSRKES YSIYVYKVLK QVHPDTGISS KAMGIMNSFV NDIFERIAGE ASRLAHYNK RSTITSREIQ TAVRLLLPGE LAKHAVSEGT KAVTKYTSA

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Macromolecule #5: Histone H3.1

MacromoleculeName: Histone H3.1 / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 15.491173 KDa
Recombinant expressionOrganism: Escherichia coli 'BL21-Gold(DE3)pLysS AG' (bacteria)
SequenceString:
GSHMARTKQT ARKSTGGKAP RKQLATKAAR KSAPATGGVK KPHRYRPGTV ALREIRRYQK STELLIRKLP FQRLVREIAQ DFKTDLRFQ SSAVMALQEA CEAYLVGLFE DTNLCAIHAK RVTIMPKDIQ LARRIRGE

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Macromolecule #6: Histone H4

MacromoleculeName: Histone H4 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 11.676703 KDa
Recombinant expressionOrganism: Escherichia coli 'BL21-Gold(DE3)pLysS AG' (bacteria)
SequenceString:
GSHMSGRGKG GKGLGKGGAK RHRKVLRDNI QGITKPAIRR LARRGGVKRI SGLIYEETRG VLKVFLENVI RDAVTYTEHA KRKTVTAMD VVYALKRQGR TLYGFGG

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Macromolecule #8: Green fluorescent protein,POU domain, class 5, transcription factor 1

MacromoleculeName: Green fluorescent protein,POU domain, class 5, transcription factor 1
type: protein_or_peptide / ID: 8 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 69.137789 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MDWSHPQFEK SAVDENLYFQ GGMVSKGEEL FTGVVPILVE LDGDVNGHKF SVSGEGEGDA TYGKLTLKFI CTTGKLPVPW PTLVTTLTY GVQCFSRYPD HMKQHDFFKS AMPEGYVQER TIFFKDDGNY KTRAEVKFEG DTLVNRIELK GIDFKEDGNI L GHKLEYNY ...String:
MDWSHPQFEK SAVDENLYFQ GGMVSKGEEL FTGVVPILVE LDGDVNGHKF SVSGEGEGDA TYGKLTLKFI CTTGKLPVPW PTLVTTLTY GVQCFSRYPD HMKQHDFFKS AMPEGYVQER TIFFKDDGNY KTRAEVKFEG DTLVNRIELK GIDFKEDGNI L GHKLEYNY NSHNVYIMAD KQKNGIKVNF KIRHNIEDGS VQLADHYQQN TPIGDGPVLL PDNHYLSTQS KLSKDPNEKR DH MVLLEFV TAAGITLGMD ELYKEAAAKE AAAKMAGHLA SDFAFSPPPG GGGDGPGGPE PGWVDPRTWL SFQGPPGGPG IGP GVGPGS EVWGIPPCPP PYEFCGGMAY CGPQVGVGLV PQGGLETSQP EGEAGVGVES NSDGASPEPC TVTPGAVKLE KEKL EQNPE ESQDIKALQK ELEQFAKLLK QKRITLGYTQ ADVGLTLGVL FGKVFSQTTI CRFEALQLSF KNMCKLRPLL QKWVE EADN NENLQEICKA ETLVQARKRK RTSIENRVRG NLENLFLQCP KPTLQQISHI AQQLGLEKDV VRVWFCNRRQ KGKRSS SDY AQREDFEAAG SPFSGGPVSF PLAPGPHFGT PGYGSPHFTA LYSSVPFPEG EAFPPVSVTT LGSPMHSN

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Macromolecule #9: Transcription factor SOX-2

MacromoleculeName: Transcription factor SOX-2 / type: protein_or_peptide / ID: 9 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 12.718679 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString:
MDWSHPQFEK SAVDENLYFQ GGMSPDRVKR PMNAFMVWSR GQRRKMAQEN PKMHNSEISK RLGAEWKLLS ETEKRPFIDE AKRLRALHM KEHPDYKYRP RRKTKT

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Macromolecule #7: DNA (142-MER)

MacromoleculeName: DNA (142-MER) / type: dna / ID: 7 / Number of copies: 2 / Classification: DNA
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 92.645859 KDa
SequenceString: (DA)(DT)(DC)(DC)(DT)(DG)(DG)(DA)(DG)(DA) (DA)(DT)(DC)(DC)(DC)(DG)(DG)(DT)(DC)(DT) (DG)(DC)(DA)(DG)(DG)(DC)(DC)(DG)(DC) (DT)(DC)(DA)(DA)(DT)(DT)(DG)(DG)(DT)(DC) (DG) (DT)(DA)(DG)(DA)(DC)(DA) ...String:
(DA)(DT)(DC)(DC)(DT)(DG)(DG)(DA)(DG)(DA) (DA)(DT)(DC)(DC)(DC)(DG)(DG)(DT)(DC)(DT) (DG)(DC)(DA)(DG)(DG)(DC)(DC)(DG)(DC) (DT)(DC)(DA)(DA)(DT)(DT)(DG)(DG)(DT)(DC) (DG) (DT)(DA)(DG)(DA)(DC)(DA)(DG)(DC) (DT)(DC)(DT)(DA)(DG)(DC)(DA)(DC)(DC)(DG) (DC)(DT) (DT)(DA)(DA)(DA)(DC)(DG)(DC) (DA)(DC)(DG)(DT)(DA)(DC)(DG)(DC)(DG)(DC) (DT)(DG)(DT) (DC)(DC)(DC)(DC)(DC)(DG) (DC)(DG)(DT)(DT)(DT)(DT)(DA)(DA)(DC)(DC) (DG)(DC)(DC)(DA) (DA)(DG)(DG)(DG)(DG) (DA)(DT)(DT)(DA)(DC)(DT)(DC)(DC)(DC)(DT) (DA)(DG)(DT)(DC)(DT) (DC)(DC)(DA)(DG) (DG)(DC)(DC)(DT)(DT)(DT)(DG)(DT)(DT)(DA) (DT)(DG)(DC)(DA)(DA)(DA) (DT)(DA)(DC) (DA)(DT)(DC)(DC)(DT)(DG)(DT)(DA)(DC)(DA) (DG)(DG)(DA)(DT)(DG)(DT)(DA) (DT)(DT) (DT)(DG)(DC)(DA)(DT)(DA)(DA)(DC)(DA)(DA) (DA)(DG)(DG)(DC)(DC)(DT)(DG)(DG) (DA) (DG)(DA)(DC)(DT)(DA)(DG)(DG)(DG)(DA)(DG) (DT)(DA)(DA)(DT)(DC)(DC)(DC)(DC)(DT) (DT)(DG)(DG)(DC)(DG)(DG)(DT)(DT)(DA)(DA) (DA)(DA)(DC)(DG)(DC)(DG)(DG)(DG)(DG)(DG) (DA)(DC)(DA)(DG)(DC)(DG)(DC)(DG)(DT) (DA)(DC)(DG)(DT)(DG)(DC)(DG)(DT)(DT)(DT) (DA) (DA)(DG)(DC)(DG)(DG)(DT)(DG)(DC) (DT)(DA)(DG)(DA)(DG)(DC)(DT)(DG)(DT)(DC) (DT)(DA) (DC)(DG)(DA)(DC)(DC)(DA)(DA) (DT)(DT)(DG)(DA)(DG)(DC)(DG)(DG)(DC)(DC) (DT)(DG)(DC) (DA)(DG)(DA)(DC)(DC)(DG) (DG)(DG)(DA)(DT)(DT)(DC)(DT)(DC)(DC)(DA) (DG)(DG)(DA)(DT)

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Macromolecule #10: PENTANEDIAL

MacromoleculeName: PENTANEDIAL / type: ligand / ID: 10 / Number of copies: 8 / Formula: PTD
Molecular weightTheoretical: 100.116 Da
Chemical component information

ChemComp-PTD:
PENTANEDIAL

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 7.4
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K2 QUANTUM (4k x 4k) / Detector mode: COUNTING / Average electron dose: 45.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 50.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

CTF correctionSoftware - Version: gCTF
Startup modelType of model: EMDB MAP
EMDB ID:

4768

Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.42 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. v2) / Number images used: 71284
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: RANDOM ASSIGNMENT

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