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- EMDB-60781: cryo-EM structure of the RNF168(1-193)/UbcH5c-Ub ubiquitylation m... -

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Entry
Database: EMDB / ID: EMD-60781
Titlecryo-EM structure of the RNF168(1-193)/UbcH5c-Ub ubiquitylation module bound to H1.0-K63-Ub3 modified chromatosome
Map data
Sample
  • Complex: cryo-EM structure of the RNF168(1-193)/UbcH5c-Ub ubiquitylation module bound to H1.0-K63-Ub3 modified chromatosome
    • Protein or peptide: x 8 types
    • DNA: x 2 types
  • Ligand: x 1 types
KeywordsRNF168 / H1.0 / ubiquitylation / nucleosome / chromatosome / NUCLEAR PROTEIN
Function / homology
Function and homology information


histone H2AK15 ubiquitin ligase activity / histone ubiquitin ligase activity / positive regulation of transcription regulatory region DNA binding / Signaling by BMP / negative regulation of DNA recombination / protein K6-linked ubiquitination / (E3-independent) E2 ubiquitin-conjugating enzyme / Apoptosis induced DNA fragmentation / isotype switching / double-strand break repair via classical nonhomologous end joining ...histone H2AK15 ubiquitin ligase activity / histone ubiquitin ligase activity / positive regulation of transcription regulatory region DNA binding / Signaling by BMP / negative regulation of DNA recombination / protein K6-linked ubiquitination / (E3-independent) E2 ubiquitin-conjugating enzyme / Apoptosis induced DNA fragmentation / isotype switching / double-strand break repair via classical nonhomologous end joining / protein K11-linked ubiquitination / chromosome condensation / : / nucleosomal DNA binding / K63-linked polyubiquitin modification-dependent protein binding / Formation of Senescence-Associated Heterochromatin Foci (SAHF) / E2 ubiquitin-conjugating enzyme / Formation of the ternary complex, and subsequently, the 43S complex / response to ionizing radiation / DNA repair-dependent chromatin remodeling / Ribosomal scanning and start codon recognition / Translation initiation complex formation / minor groove of adenine-thymine-rich DNA binding / ubiquitin conjugating enzyme activity / SARS-CoV-1 modulates host translation machinery / negative regulation of transcription elongation by RNA polymerase II / Peptide chain elongation / Selenocysteine synthesis / Formation of a pool of free 40S subunits / Eukaryotic Translation Termination / protein K63-linked ubiquitination / negative regulation of BMP signaling pathway / SRP-dependent cotranslational protein targeting to membrane / Response of EIF2AK4 (GCN2) to amino acid deficiency / protein monoubiquitination / Viral mRNA Translation / ubiquitin ligase complex / Nonsense Mediated Decay (NMD) independent of the Exon Junction Complex (EJC) / GTP hydrolysis and joining of the 60S ribosomal subunit / L13a-mediated translational silencing of Ceruloplasmin expression / interstrand cross-link repair / SUMOylation of DNA damage response and repair proteins / Major pathway of rRNA processing in the nucleolus and cytosol / protein K48-linked ubiquitination / nucleosome binding / protein autoubiquitination / negative regulation of megakaryocyte differentiation / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / protein localization to CENP-A containing chromatin / Chromatin modifying enzymes / Replacement of protamines by nucleosomes in the male pronucleus / CENP-A containing nucleosome / transcription repressor complex / Packaging Of Telomere Ends / Maturation of protein E / Maturation of protein E / ER Quality Control Compartment (ERQC) / Myoclonic epilepsy of Lafora / Recognition and association of DNA glycosylase with site containing an affected purine / Cleavage of the damaged purine / FLT3 signaling by CBL mutants / Constitutive Signaling by NOTCH1 HD Domain Mutants / IRAK2 mediated activation of TAK1 complex / Prevention of phagosomal-lysosomal fusion / Alpha-protein kinase 1 signaling pathway / Glycogen synthesis / IRAK1 recruits IKK complex / IRAK1 recruits IKK complex upon TLR7/8 or 9 stimulation / Deposition of new CENPA-containing nucleosomes at the centromere / Endosomal Sorting Complex Required For Transport (ESCRT) / Membrane binding and targetting of GAG proteins / Negative regulation of FLT3 / Regulation of TBK1, IKKε (IKBKE)-mediated activation of IRF3, IRF7 / PTK6 Regulates RTKs and Their Effectors AKT1 and DOK1 / Regulation of TBK1, IKKε-mediated activation of IRF3, IRF7 upon TLR3 ligation / IRAK2 mediated activation of TAK1 complex upon TLR7/8 or 9 stimulation / NOTCH2 Activation and Transmission of Signal to the Nucleus / TICAM1,TRAF6-dependent induction of TAK1 complex / TICAM1-dependent activation of IRF3/IRF7 / APC/C:Cdc20 mediated degradation of Cyclin B / telomere organization / Interleukin-7 signaling / cytosolic ribosome / Recognition and association of DNA glycosylase with site containing an affected pyrimidine / Cleavage of the damaged pyrimidine / Regulation of FZD by ubiquitination / Downregulation of ERBB4 signaling / APC-Cdc20 mediated degradation of Nek2A / p75NTR recruits signalling complexes / RNA Polymerase I Promoter Opening / InlA-mediated entry of Listeria monocytogenes into host cells / TRAF6 mediated IRF7 activation in TLR7/8 or 9 signaling / epigenetic regulation of gene expression / TRAF6-mediated induction of TAK1 complex within TLR4 complex / Regulation of pyruvate metabolism / NF-kB is activated and signals survival / Regulation of innate immune responses to cytosolic DNA / Pexophagy / Downregulation of ERBB2:ERBB3 signaling / Inhibition of DNA recombination at telomere
Similarity search - Function
E3 ubiquitin-protein ligase RNF168 / : / Prokaryotic RING finger family 4 / Linker histone H1/H5 / linker histone H1 and H5 family / Linker histone H1/H5, domain H15 / Linker histone H1/H5 globular (H15) domain profile. / Domain in histone families 1 and 5 / Ubiquitin-conjugating enzyme, active site / Ubiquitin-conjugating (UBC) active site signature. ...E3 ubiquitin-protein ligase RNF168 / : / Prokaryotic RING finger family 4 / Linker histone H1/H5 / linker histone H1 and H5 family / Linker histone H1/H5, domain H15 / Linker histone H1/H5 globular (H15) domain profile. / Domain in histone families 1 and 5 / Ubiquitin-conjugating enzyme, active site / Ubiquitin-conjugating (UBC) active site signature. / Ubiquitin-conjugating enzyme E2 / Ubiquitin-conjugating enzyme / Ubiquitin-conjugating (UBC) core domain profile. / Ubiquitin-conjugating enzyme E2, catalytic domain homologues / Ubiquitin-conjugating enzyme/RWD-like / S27a-like superfamily / Ribosomal protein S27a / Ribosomal protein S27a / Ribosomal protein S27a / Ring finger / : / 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 / Zinc finger RING-type profile. / Zinc finger, RING-type / Histone H3 signature 1. / Histone H3 signature 2. / Histone H3 / Histone H3/CENP-A / : / Ubiquitin domain signature. / Ubiquitin conserved site / Ubiquitin domain / Histone H2A/H2B/H3 / Core histone H2A/H2B/H3/H4 domain / Histone-fold / Ubiquitin family / Ubiquitin homologues / Ubiquitin domain profile. / Ubiquitin-like domain / Zinc-binding ribosomal protein / Zinc finger, RING/FYVE/PHD-type / Ubiquitin-like domain superfamily / Winged helix DNA-binding domain superfamily / Winged helix-like DNA-binding domain superfamily
Similarity search - Domain/homology
Histone H2B type 1-K / Histone H2A type 1-B/E / Histone H1.0 / Ubiquitin-conjugating enzyme E2 D3 / Histone H4 / Ubiquitin-ribosomal protein eS31 fusion protein / Histone H3.2 / E3 ubiquitin-protein ligase RNF168
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 4.3 Å
AuthorsAi HS / Deng ZH / Liu L
Funding support China, 1 items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)22137005, 92253302, 22227810 China
CitationJournal: Angew Chem Int Ed Engl / Year: 2025
Title: Promotion of RNF168-Mediated Nucleosomal H2A Ubiquitylation by Structurally Defined K63-Polyubiquitylated Linker Histone H1.
Authors: Qiang Shi / Zhiheng Deng / Liying Zhang / Zebin Tong / Jia-Bin Li / Guo-Chao Chu / Huasong Ai / Lei Liu /
Abstract: The chemical synthesis of histones with homogeneous modifications is a powerful approach for quantitatively deciphering the functional crosstalk between different post-translational modifications ...The chemical synthesis of histones with homogeneous modifications is a powerful approach for quantitatively deciphering the functional crosstalk between different post-translational modifications (PTMs). In this study, we developed an expedient site-specific (poly)ubiquitylation strategy (CAEPL, Cysteine Aminoethylation coupled with Enzymatic Protein Ligation), which integrates the Cys-aminoethylation reaction with the process of ubiquitin-activating enzyme UBA1-assisted native chemical ligation. Using this strategy, we successfully prepared monoubiquitylated and K63-linked di- and tri-ubiquitylated linker histone H1.0 proteins, which were incorporated into individual chromatosomes. Quantitative biochemical analysis of different RNF168 constructs on H1 ubiquitylated chromatosomes with different ubiquitin chain lengths demonstrated that K63-linked polyubiquitylated H1.0 could directly stimulate RNF168 ubiquitylation activity by enhancing the affinity between RNF168 and the chromatosome. Subsequent cryo-EM structural analysis of the RNF168/UbcH5c-Ub/H1.0-K63-Ub chromatosome complex revealed the potential recruitment orientation between RNF168 UDM1 domain and K63-linked ubiquitin chain on H1.0. Finally, we explored the impact of H1.0 ubiquitylation on RNF168 activity in the context of asymmetric H1.0-K63-Ub di-nucleosome substrate, revealing a comparable stimulation effect of both the inter- and intra-nucleosomal crosstalk. Overall, our study highlights the significance of access to structurally defined polyubiquitylated H1.0 by the CAEPL strategy, enabling in-depth mechanistic investigations of in-trans PTM crosstalk between linker histone H1.0 and core histone H2A ubiquitylation.
History
DepositionJul 11, 2024-
Header (metadata) releaseOct 2, 2024-
Map releaseOct 2, 2024-
UpdateJul 23, 2025-
Current statusJul 23, 2025Processing site: PDBc / Status: Released

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Structure visualization

Supplemental images

emd_60781.png

Downloads & links

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Map

FileDownload / File: emd_60781.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
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AxesZ (Sec.)Y (Row.)X (Col.)
1.07 Å/pix.
x 256 pix.
= 274.944 Å		1.07 Å/pix.
x 256 pix.
= 274.944 Å		1.07 Å/pix.
x 256 pix.
= 274.944 Å

Surface

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Images are generated by Spider.

Voxel sizeX=Y=Z: 1.074 Å
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Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.01
Minimum - Maximum-0.0062035443 - 0.037045084
Average (Standard dev.)0.00030252722 (±0.0019104414)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 274.944 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_60781_msk_1.map
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Half map: #2

Fileemd_60781_half_map_1.map
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Half map: #1

Fileemd_60781_half_map_2.map
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Sample components

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Entire : cryo-EM structure of the RNF168(1-193)/UbcH5c-Ub ubiquitylation m...

EntireName: cryo-EM structure of the RNF168(1-193)/UbcH5c-Ub ubiquitylation module bound to H1.0-K63-Ub3 modified chromatosome
Components
  • Complex: cryo-EM structure of the RNF168(1-193)/UbcH5c-Ub ubiquitylation module bound to H1.0-K63-Ub3 modified chromatosome
    • Protein or peptide: Histone H1.0
    • Protein or peptide: Histone H3.2
    • Protein or peptide: Histone H4
    • Protein or peptide: Histone H2A type 1-B/E
    • Protein or peptide: Histone H2B type 1-K
    • Protein or peptide: Ubiquitin-conjugating enzyme E2 D3
    • Protein or peptide: E3 ubiquitin-protein ligase RNF168
    • Protein or peptide: Ubiquitin
    • DNA: DNA (171-MER)
    • DNA: DNA (171-MER)
  • Ligand: ZINC ION

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Supramolecule #1: cryo-EM structure of the RNF168(1-193)/UbcH5c-Ub ubiquitylation m...

SupramoleculeName: cryo-EM structure of the RNF168(1-193)/UbcH5c-Ub ubiquitylation module bound to H1.0-K63-Ub3 modified chromatosome
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#10
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Histone H1.0

MacromoleculeName: Histone H1.0 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 20.901145 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString: MTENSTSAPA AKPKRAKASK KSTDHPKYSD MIVAAIQAEK NRAGSSRQSI QKYIKSHYKV GENADSQIKL SIKRLVTTGV LCQTKGVGA SGSFRLAKSD EPKKSVAFKK TKKEIKKVAT PKKASKPKKA ASKAPTKKPK ATPVKKAKKK LAATPKKAKK P KTVKAKPV ...String:
MTENSTSAPA AKPKRAKASK KSTDHPKYSD MIVAAIQAEK NRAGSSRQSI QKYIKSHYKV GENADSQIKL SIKRLVTTGV LCQTKGVGA SGSFRLAKSD EPKKSVAFKK TKKEIKKVAT PKKASKPKKA ASKAPTKKPK ATPVKKAKKK LAATPKKAKK P KTVKAKPV KASKPKKAKP VKPKAKSSAK RAGKKK

UniProtKB: Histone H1.0

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Macromolecule #2: Histone H3.2

MacromoleculeName: Histone H3.2 / type: protein_or_peptide / ID: 2 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 15.273838 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
ARTKQTARKS TGGKAPRKQL ATKAARKSAP ATGGVKKPHR YRPGTVALRE IRRYQKSTEL LIRKLPFQRL VREIAQDFKT DLRFQSSAV MALQEASEAY LVGLFEDTNL SAIHAKRVTI MPKDIQLARR IRGERA

UniProtKB: Histone H3.2

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Macromolecule #3: Histone H4

MacromoleculeName: Histone H4 / type: protein_or_peptide / ID: 3 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 11.263231 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
SGRGKGGKGL GKGGAKRHRK VLRDNIQGIT KPAIRRLARR GGVKRISGLI YEETRGVLKV FLENVIRDAV TYTEHAKRKT VTAMDVVYA LKRQGRTLYG FGG

UniProtKB: Histone H4

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Macromolecule #4: Histone H2A type 1-B/E

MacromoleculeName: Histone H2A type 1-B/E / type: protein_or_peptide / ID: 4 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 14.008318 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
SGRGKQGGKA RAKACTRSSR AGLQFPVGRV HRLLRKGNYS ERVGAGAPVY LAAVLEYLTA EILELAGNAA RDNKKTRIIP RHLQLAIRN DEELNKLLGR VTIAQGGVLP NIQAVLLPKK TESHHKAKGK

UniProtKB: Histone H2A type 1-B/E

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Macromolecule #5: Histone H2B type 1-K

MacromoleculeName: Histone H2B type 1-K / type: protein_or_peptide / ID: 5 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 13.790018 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
PEPAKSAPAP KKGSKKAVTK AQKKDGKKRK RSRKESYSVY VYKVLKQVHP DTGISSKAMG IMNSFVNDIF ERIAGEASRL AHYNKRSTI TSREIQTAVR LLLPGELAKH AVSEGTKAVT KYTSAK

UniProtKB: Histone H2B type 1-K

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Macromolecule #6: Ubiquitin-conjugating enzyme E2 D3

MacromoleculeName: Ubiquitin-conjugating enzyme E2 D3 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO / EC number: E2 ubiquitin-conjugating enzyme
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 16.657938 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
MALKRINKEL SDLARDPPAQ SSAGPVGDDM FHWQATIMGP NDSPYQGGVF FLTIHFPTDY PFKPPKVAFT TRIYHPNINS NGSICLDIL RSQWSPALTI SKVLLSISSL LSDPNPDDPL VPEIARIYKT DRDKYNRISR EWTQKYAM

UniProtKB: Ubiquitin-conjugating enzyme E2 D3

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Macromolecule #7: E3 ubiquitin-protein ligase RNF168

MacromoleculeName: E3 ubiquitin-protein ligase RNF168 / type: protein_or_peptide / ID: 7 / Number of copies: 1 / Enantiomer: LEVO / EC number: RING-type E3 ubiquitin transferase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 22.533523 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString: MALPKDAIPS LSECQCGICM EILVEPVTLP CNHTLCKPCF QSTVEKASLC CPFCRRRVSS WTRYHTRRNS LVNVELWTII QKHYPRECK LRASGQESEE VADDYQPVRL LSKPGELRRE YEEEISKVAA ERRASEEEEN KASEEYIQRL LAEEEEEEKR Q AEKRRRAM ...String:
MALPKDAIPS LSECQCGICM EILVEPVTLP CNHTLCKPCF QSTVEKASLC CPFCRRRVSS WTRYHTRRNS LVNVELWTII QKHYPRECK LRASGQESEE VADDYQPVRL LSKPGELRRE YEEEISKVAA ERRASEEEEN KASEEYIQRL LAEEEEEEKR Q AEKRRRAM EEQLKSDEEL ARKLSIDINN FCEGS

UniProtKB: E3 ubiquitin-protein ligase RNF168

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Macromolecule #8: Ubiquitin

MacromoleculeName: Ubiquitin / type: protein_or_peptide / ID: 8 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 8.519778 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
MQIFVKTLTG KTITLEVEPS DTIENVKAKI QDKEGIPPDQ QRLIFAGKQL EDGRTLSDYN IQKESTLHLV LRLRG

UniProtKB: Ubiquitin-ribosomal protein eS31 fusion protein

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Macromolecule #9: DNA (171-MER)

MacromoleculeName: DNA (171-MER) / type: dna / ID: 9 / Number of copies: 1 / Classification: DNA
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 52.825652 KDa
SequenceString: (DT)(DT)(DG)(DG)(DC)(DC)(DA)(DG)(DC)(DT) (DA)(DG)(DG)(DA)(DT)(DA)(DT)(DC)(DA)(DC) (DA)(DA)(DT)(DC)(DC)(DC)(DG)(DG)(DT) (DG)(DC)(DC)(DG)(DA)(DG)(DG)(DC)(DC)(DG) (DC) (DT)(DC)(DA)(DA)(DT)(DT) ...String:
(DT)(DT)(DG)(DG)(DC)(DC)(DA)(DG)(DC)(DT) (DA)(DG)(DG)(DA)(DT)(DA)(DT)(DC)(DA)(DC) (DA)(DA)(DT)(DC)(DC)(DC)(DG)(DG)(DT) (DG)(DC)(DC)(DG)(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)(DG) (DA)(DA)(DT)(DC)(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)(DC) (DG)(DG)(DC)(DA)(DC)(DC)(DG)(DG)(DG)(DA) (DT)(DT)(DG)(DT)(DG)(DA)(DT) (DA)(DT) (DC)(DC)(DT)(DA)(DG)(DC)(DT)(DG)(DG)

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Macromolecule #10: DNA (171-MER)

MacromoleculeName: DNA (171-MER) / type: dna / ID: 10 / Number of copies: 1 / Classification: DNA
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 52.754609 KDa
SequenceString: (DC)(DC)(DA)(DG)(DC)(DT)(DA)(DG)(DG)(DA) (DT)(DA)(DT)(DC)(DA)(DC)(DA)(DA)(DT)(DC) (DC)(DC)(DG)(DG)(DT)(DG)(DC)(DC)(DG) (DA)(DG)(DG)(DC)(DC)(DG)(DC)(DT)(DC)(DA) (DA) (DT)(DT)(DG)(DG)(DT)(DC) ...String:
(DC)(DC)(DA)(DG)(DC)(DT)(DA)(DG)(DG)(DA) (DT)(DA)(DT)(DC)(DA)(DC)(DA)(DA)(DT)(DC) (DC)(DC)(DG)(DG)(DT)(DG)(DC)(DC)(DG) (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)(DG)(DA)(DT)(DT)(DC) (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)(DC)(DG) (DG)(DC)(DA) (DC)(DC)(DG)(DG)(DG)(DA)(DT)(DT)(DG)(DT) (DG)(DA)(DT)(DA)(DT)(DC)(DC) (DT)(DA) (DG)(DC)(DT)(DG)(DG)(DC)(DC)(DA)(DA)

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Macromolecule #11: ZINC ION

MacromoleculeName: ZINC ION / type: ligand / ID: 11 / Number of copies: 2 / Formula: ZN
Molecular weightTheoretical: 65.409 Da

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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: 7.5
GridModel: Quantifoil R1.2/1.3 / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 90 sec.
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 1.8 µm / Nominal defocus min: 1.0 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

CTF correctionType: NONE
Startup modelType of model: OTHER
Final reconstructionResolution.type: BY AUTHOR / Resolution: 4.3 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 36240
Initial angle assignmentType: RANDOM ASSIGNMENT
Final angle assignmentType: ANGULAR RECONSTITUTION
FSC plot (resolution estimation)

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