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- EMDB-33127: Cryo-EM structure of Dot1L and H2BK34ub-H3K79Nle nucleosome 2:1 c... -

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Basic information

Entry
Database: EMDB / ID: EMD-33127
TitleCryo-EM structure of Dot1L and H2BK34ub-H3K79Nle nucleosome 2:1 complex
Map data
Sample
  • Complex: Complex of Dot1L(1-416) and H2BK34ub 2:1 nucleosome
    • Protein or peptide: Ubiquitin
    • Protein or peptide: Histone H4
    • Protein or peptide: Histone H2A
    • Protein or peptide: Histone H2B type 1-K
    • Protein or peptide: Histone domain-containing protein
    • DNA: DNA (145-MER)
    • DNA: DNA (145-MER)
    • Protein or peptide: Histone-lysine N-methyltransferase, H3 lysine-79 specificHistone methyltransferase
  • Ligand: S-ADENOSYLMETHIONINES-Adenosyl methionine
Function / homology
Function and homology information


: / histone H3K79 trimethyltransferase activity / [histone H3]-lysine79 N-trimethyltransferase / histone H3K79 methyltransferase activity / regulation of transcription regulatory region DNA binding / hypothalamus gonadotrophin-releasing hormone neuron development / Evasion by RSV of host interferon responses / female meiosis I / regulation of receptor signaling pathway via JAK-STAT / histone H3 methyltransferase activity ...: / histone H3K79 trimethyltransferase activity / [histone H3]-lysine79 N-trimethyltransferase / histone H3K79 methyltransferase activity / regulation of transcription regulatory region DNA binding / hypothalamus gonadotrophin-releasing hormone neuron development / Evasion by RSV of host interferon responses / female meiosis I / regulation of receptor signaling pathway via JAK-STAT / histone H3 methyltransferase activity / positive regulation of protein monoubiquitination / mitochondrion transport along microtubule / fat pad development / female gonad development / histone methyltransferase activity / seminiferous tubule development / male meiosis I / positive regulation of intrinsic apoptotic signaling pathway by p53 class mediator / Replacement of protamines by nucleosomes in the male pronucleus / heterochromatin formation / energy homeostasis / regulation of neuron apoptotic process / Packaging Of Telomere Ends / regulation of proteasomal protein catabolic process / Recognition and association of DNA glycosylase with site containing an affected purine / Cleavage of the damaged purine / Maturation of protein E / Maturation of protein E / ER Quality Control Compartment (ERQC) / Deposition of new CENPA-containing nucleosomes at the centromere / Myoclonic epilepsy of Lafora / FLT3 signaling by CBL mutants / Signaling by ALK fusions and activated point mutants / Prevention of phagosomal-lysosomal fusion / IRAK2 mediated activation of TAK1 complex / Alpha-protein kinase 1 signaling pathway / Glycogen synthesis / IRAK1 recruits IKK complex / IRAK1 recruits IKK complex upon TLR7/8 or 9 stimulation / Membrane binding and targetting of GAG proteins / Endosomal Sorting Complex Required For Transport (ESCRT) / IRAK2 mediated activation of TAK1 complex upon TLR7/8 or 9 stimulation / PTK6 Regulates RTKs and Their Effectors AKT1 and DOK1 / Negative regulation of FLT3 / Recognition and association of DNA glycosylase with site containing an affected pyrimidine / Cleavage of the damaged pyrimidine / Constitutive Signaling by NOTCH1 HD Domain Mutants / Regulation of FZD by ubiquitination / TICAM1,TRAF6-dependent induction of TAK1 complex / NOTCH2 Activation and Transmission of Signal to the Nucleus / TICAM1-dependent activation of IRF3/IRF7 / APC/C:Cdc20 mediated degradation of Cyclin B / Inhibition of DNA recombination at telomere / Meiotic synapsis / p75NTR recruits signalling complexes / Downregulation of ERBB4 signaling / TRAF6 mediated IRF7 activation in TLR7/8 or 9 signaling / APC-Cdc20 mediated degradation of Nek2A / PINK1-PRKN Mediated Mitophagy / TRAF6-mediated induction of TAK1 complex within TLR4 complex / telomere organization / Pexophagy / Regulation of innate immune responses to cytosolic DNA / InlA-mediated entry of Listeria monocytogenes into host cells / VLDLR internalisation and degradation / Downregulation of ERBB2:ERBB3 signaling / RNA Polymerase I Promoter Opening / NF-kB is activated and signals survival / NRIF signals cell death from the nucleus / Regulation of PTEN localization / Activated NOTCH1 Transmits Signal to the Nucleus / Regulation of BACH1 activity / Assembly of the ORC complex at the origin of replication / Translesion synthesis by REV1 / Synthesis of active ubiquitin: roles of E1 and E2 enzymes / Translesion synthesis by POLK / MAP3K8 (TPL2)-dependent MAPK1/3 activation / TICAM1, RIP1-mediated IKK complex recruitment / Downregulation of TGF-beta receptor signaling / Activation of IRF3, IRF7 mediated by TBK1, IKKε (IKBKE) / Translesion synthesis by POLI / Gap-filling DNA repair synthesis and ligation in GG-NER / Josephin domain DUBs / DNA methylation / Regulation of activated PAK-2p34 by proteasome mediated degradation / neuron projection morphogenesis / InlB-mediated entry of Listeria monocytogenes into host cell / IKK complex recruitment mediated by RIP1 / JNK (c-Jun kinases) phosphorylation and activation mediated by activated human TAK1 / Condensation of Prophase Chromosomes / regulation of mitochondrial membrane potential / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / SIRT1 negatively regulates rRNA expression / Chromatin modifications during the maternal to zygotic transition (MZT) / TGF-beta receptor signaling in EMT (epithelial to mesenchymal transition) / HCMV Late Events / N-glycan trimming in the ER and Calnexin/Calreticulin cycle / Autodegradation of Cdh1 by Cdh1:APC/C / innate immune response in mucosa / TNFR1-induced NF-kappa-B signaling pathway
Similarity search - Function
Histone H3-K79 methyltransferase, metazoa / Histone-lysine N-methyltransferase DOT1 domain / Histone H3-K79 methyltransferase / Histone methylation protein DOT1 / Histone-lysine N-methyltransferase DOT1 (EC 2.1.1.43) domain profile. / Histone H2B signature. / Histone H2B / Histone H2B / Histone H2A conserved site / Histone H2A signature. ...Histone H3-K79 methyltransferase, metazoa / Histone-lysine N-methyltransferase DOT1 domain / Histone H3-K79 methyltransferase / Histone methylation protein DOT1 / Histone-lysine N-methyltransferase DOT1 (EC 2.1.1.43) domain profile. / 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, conserved site / Histone H4 signature. / 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-like fold domain / Histone H3 signature 1. / Ubiquitin conserved site / Ubiquitin domain / Histone H3 signature 2. / Histone H3 / Histone H3/CENP-A / Ubiquitin domain signature. / Histone H2A/H2B/H3 / Core histone H2A/H2B/H3/H4 / Histone-fold / Ubiquitin family / Ubiquitin homologues / Ubiquitin-like domain / Ubiquitin domain profile. / Ubiquitin-like domain superfamily / S-adenosyl-L-methionine-dependent methyltransferase superfamily
Similarity search - Domain/homology
Histone H4 / Histone H2B type 1-K / Polyubiquitin-B / Histone H2A / Histone-lysine N-methyltransferase, H3 lysine-79 specific / H3.4 histone
Similarity search - Component
Biological speciesHomo sapiens (human) / synthetic construct (others)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.72 Å
AuthorsAi HS / Liu AJ / Lou ZY / Liu L
Funding support China, 5 items
OrganizationGrant numberCountry
Other private2017YFA0505200 China
National Natural Science Foundation of China (NSFC)21977090 China
National Natural Science Foundation of China (NSFC)21532004 China
National Natural Science Foundation of China (NSFC)91753205 China
National Natural Science Foundation of China (NSFC)81621002 China
CitationJournal: Nat Chem Biol / Year: 2022
Title: H2B Lys34 Ubiquitination Induces Nucleosome Distortion to Stimulate Dot1L Activity.
Authors: Huasong Ai / Maoshen Sun / Aijun Liu / Zixian Sun / Tingting Liu / Lin Cao / Lujun Liang / Qian Qu / Zichen Li / Zhiheng Deng / Zebin Tong / Guochao Chu / Xiaolin Tian / Haiteng Deng / Suwen ...Authors: Huasong Ai / Maoshen Sun / Aijun Liu / Zixian Sun / Tingting Liu / Lin Cao / Lujun Liang / Qian Qu / Zichen Li / Zhiheng Deng / Zebin Tong / Guochao Chu / Xiaolin Tian / Haiteng Deng / Suwen Zhao / Jia-Bin Li / Zhiyong Lou / Lei Liu /
Abstract: Ubiquitination-dependent histone crosstalk plays critical roles in chromatin-associated processes and is highly associated with human diseases. Mechanism studies of the crosstalk have been of the ...Ubiquitination-dependent histone crosstalk plays critical roles in chromatin-associated processes and is highly associated with human diseases. Mechanism studies of the crosstalk have been of the central focus. Here our study on the crosstalk between H2BK34ub and Dot1L-catalyzed H3K79me suggests a novel mechanism of ubiquitination-induced nucleosome distortion to stimulate the activity of an enzyme. We determined the cryo-electron microscopy structures of Dot1L-H2BK34ub nucleosome complex and the H2BK34ub nucleosome alone. The structures reveal that H2BK34ub induces an almost identical orientation and binding pattern of Dot1L on nucleosome as H2BK120ub, which positions Dot1L for the productive conformation through direct ubiquitin-enzyme contacts. However, H2BK34-anchored ubiquitin does not directly interact with Dot1L as occurs in the case of H2BK120ub, but rather induces DNA and histone distortion around the modified site. Our findings establish the structural framework for understanding the H2BK34ub-H3K79me trans-crosstalk and highlight the diversity of mechanisms for histone ubiquitination to activate chromatin-modifying enzymes.
History
DepositionMar 25, 2022-
Header (metadata) releaseApr 20, 2022-
Map releaseApr 20, 2022-
UpdateSep 7, 2022-
Current statusSep 7, 2022Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_33127.png

Downloads & links

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Map

FileDownload / File: emd_33127.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Voxel sizeX=Y=Z: 1.08 Å
Density
Contour LevelBy AUTHOR: 0.43
Minimum - Maximum-1.6055136 - 3.928135
Average (Standard dev.)-0.00048341922 (±0.10669336)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 276.48 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #1

Fileemd_33127_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_33127_half_map_2.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Complex of Dot1L(1-416) and H2BK34ub 2:1 nucleosome

EntireName: Complex of Dot1L(1-416) and H2BK34ub 2:1 nucleosome
Components
  • Complex: Complex of Dot1L(1-416) and H2BK34ub 2:1 nucleosome
    • Protein or peptide: Ubiquitin
    • Protein or peptide: Histone H4
    • Protein or peptide: Histone H2A
    • Protein or peptide: Histone H2B type 1-K
    • Protein or peptide: Histone domain-containing protein
    • DNA: DNA (145-MER)
    • DNA: DNA (145-MER)
    • Protein or peptide: Histone-lysine N-methyltransferase, H3 lysine-79 specificHistone methyltransferase
  • Ligand: S-ADENOSYLMETHIONINES-Adenosyl methionine

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Supramolecule #1: Complex of Dot1L(1-416) and H2BK34ub 2:1 nucleosome

SupramoleculeName: Complex of Dot1L(1-416) and H2BK34ub 2:1 nucleosome / type: complex / Chimera: Yes / ID: 1 / Parent: 0 / Macromolecule list: #1-#4, #6-#8, #5
Source (natural)Organism: Homo sapiens (human)
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)

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Macromolecule #1: Ubiquitin

MacromoleculeName: Ubiquitin / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 8.576831 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString:
MQIFVKTLTG KTITLEVEPS DTIENVKAKI QDKEGIPPDQ QRLIFAGKQL EDGRTLSDYN IQKESTLHLV LRLRGG

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Macromolecule #2: Histone H4

MacromoleculeName: Histone H4 / type: protein_or_peptide / ID: 2 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 10.193043 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString:
MAKRHRKVLR DNIQGITKPA IRRLARRGGV KRISGLIYEE TRGVLKVFLE NVIRDAVTYT EHAKRKTVTA MDVVYALKRQ GRTLYGFGG

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Macromolecule #3: Histone H2A

MacromoleculeName: Histone H2A / type: protein_or_peptide / ID: 3 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 11.865871 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString:
RAKAKTRSSR AGLQFPVGRV HRLLRKGNYS ERVGAGAPVY LAAVLEYLTA EILELAGNAA RDNKKTRIIP RHLQLAIRND EELNKLLGR VTIAQGGVLP NIQAVLLPK

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Macromolecule #4: Histone H2B type 1-K

MacromoleculeName: Histone H2B type 1-K / type: protein_or_peptide / ID: 4 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 10.3208 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString:
SRKESYSVYV YKVLKQVHPD TGISSKAMGI MNSFVNDIFE RIAGEASRLA HYNKRSTITS REIQTAVRLL LPGELAKHAV SEGTKAVTK YTSA

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Macromolecule #5: Histone-lysine N-methyltransferase, H3 lysine-79 specific

MacromoleculeName: Histone-lysine N-methyltransferase, H3 lysine-79 specific
type: protein_or_peptide / ID: 5 / Number of copies: 2 / Enantiomer: LEVO / EC number: histone-lysine N-methyltransferase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 37.930039 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString: LELRLKSPVG AEPAVYPWPL PVYDKHHDAA HEIIETIRWV CEEIPDLKLA MENYVLIDYD TKSFESMQRL CDKYNRAIDS IHQLWKGTT QPMKLNTRPS TGLLRHILQQ VYNHSVTDPE KLNNYEPFSP EVYGETSFDL VAQMIDEIKM TDDDLFVDLG S GVGQVVLQ ...String:
LELRLKSPVG AEPAVYPWPL PVYDKHHDAA HEIIETIRWV CEEIPDLKLA MENYVLIDYD TKSFESMQRL CDKYNRAIDS IHQLWKGTT QPMKLNTRPS TGLLRHILQQ VYNHSVTDPE KLNNYEPFSP EVYGETSFDL VAQMIDEIKM TDDDLFVDLG S GVGQVVLQ VAAATNCKHH YGVEKADIPA KYAETMDREF RKWMKWYGKK HAEYTLERGD FLSEEWRERI ANTSVIFVNN FA FGPEVDH QLKERFANMK EGGRIVSSKP FAPLNFRINS RNLSDIGTIM RVVELSPLKG SVSWTGKPVS YYLHTIDRTI LEN YFSSLK NP

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Macromolecule #6: Histone domain-containing protein

MacromoleculeName: Histone domain-containing protein / type: protein_or_peptide / ID: 6 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 11.615594 KDa
SequenceString:
KPHRYRPGTV ALREIRRYQK STELLIRKLP FQRLVREIAQ DF(NLE)TDLRFQS SAVMALQEAS EAYLVALFED TNLCAI HAK RVTIMPKDIQ LARRIRGERA

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Macromolecule #7: DNA (145-MER)

MacromoleculeName: DNA (145-MER) / type: dna / ID: 7 / Number of copies: 1 / Classification: DNA
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 44.521367 KDa
SequenceString: (DT)(DC)(DG)(DA)(DG)(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) ...String:
(DT)(DC)(DG)(DA)(DG)(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)(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)(DA)(DC) (DG)(DT)(DG)(DT)(DC)(DA)(DG)(DA)(DT)(DA) (DT)(DA)(DT)(DA)(DC)(DA) (DT)(DC)(DC) (DG)(DA)

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Macromolecule #8: DNA (145-MER)

MacromoleculeName: DNA (145-MER) / type: dna / ID: 8 / Number of copies: 1 / Classification: DNA
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 44.992648 KDa
SequenceString: (DT)(DC)(DG)(DG)(DA)(DT)(DG)(DT)(DA)(DT) (DA)(DT)(DA)(DT)(DC)(DT)(DG)(DA)(DC)(DA) (DC)(DG)(DT)(DG)(DC)(DC)(DT)(DG)(DG) (DA)(DG)(DA)(DC)(DT)(DA)(DG)(DG)(DG)(DA) (DG) (DT)(DA)(DA)(DT)(DC)(DC) ...String:
(DT)(DC)(DG)(DG)(DA)(DT)(DG)(DT)(DA)(DT) (DA)(DT)(DA)(DT)(DC)(DT)(DG)(DA)(DC)(DA) (DC)(DG)(DT)(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)(DC)(DG)(DG)(DC)(DA)(DC)(DC) (DG)(DG)(DG)(DA)(DT)(DT) (DC)(DT)(DC) (DG)(DA)

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Macromolecule #9: S-ADENOSYLMETHIONINE

MacromoleculeName: S-ADENOSYLMETHIONINE / type: ligand / ID: 9 / Number of copies: 2 / Formula: SAM
Molecular weightTheoretical: 398.437 Da
Chemical component information

ChemComp-SAM:
S-ADENOSYLMETHIONINE / S-Adenosyl methionine

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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 / Material: GOLD / Mesh: 300
VitrificationCryogen name: ETHANE / Chamber humidity: 100 %

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: OTHER / Imaging mode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 2.5 µm / Nominal defocus min: 1.0 µm
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average exposure time: 2.56 sec. / Average electron dose: 50.0 e/Å2
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Initial angle assignmentType: ANGULAR RECONSTITUTION
Final angle assignmentType: ANGULAR RECONSTITUTION
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.72 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 98100

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