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- EMDB-77032: The consensus EM map of human ZNFX1 dimer in complex with ssRNA a... -

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Open data


ID or keywords:

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Basic information

Entry
Database: EMDB / ID: EMD-77032
TitleThe consensus EM map of human ZNFX1 dimer in complex with ssRNA and ATPgS
Map dataThe sharpened consencus map
Sample
  • Complex: ZNFX1 and ssRNA complex
KeywordsRNA helicase / E3 Ligase / RNA
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.7 Å
AuthorsWang F / He Q / Li H
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM131754 United States
CitationJournal: Nat Commun / Year: 2026
Title: Cryo-EM structures of autoinhibited and RNA-activated ZNFX1 helicase
Authors: He Q / Wang F / Rassool FV / Baylin SB / Li H
History
DepositionMay 4, 2026-
Header (metadata) releaseOct 7, 2026-
Map releaseOct 7, 2026-
UpdateOct 7, 2026-
Current statusOct 7, 2026Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_77032.png

Downloads & links

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Map

FileDownload / File: emd_77032.map.gz / Format: CCP4 / Size: 325 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationThe sharpened consencus map
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.83 Å/pix.
x 440 pix.
= 364.32 Å		0.83 Å/pix.
x 440 pix.
= 364.32 Å		0.83 Å/pix.
x 440 pix.
= 364.32 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.828 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.09
Minimum - Maximum-0.84564155 - 1.1966506
Average (Standard dev.)0.00076755125 (±0.015865337)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions440440440
Spacing440440440
CellA=B=C: 364.32 Å
α=β=γ: 90.0 °

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Supplemental data

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Additional map: The nonsharpened consensus map

Fileemd_77032_additional_1.map
AnnotationThe nonsharpened consensus map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Half map A

Fileemd_77032_half_map_1.map
AnnotationHalf map A
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Half map B

Fileemd_77032_half_map_2.map
AnnotationHalf map B
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : ZNFX1 and ssRNA complex

EntireName: ZNFX1 and ssRNA complex
Components
  • Complex: ZNFX1 and ssRNA complex

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Supramolecule #1: ZNFX1 and ssRNA complex

SupramoleculeName: ZNFX1 and ssRNA complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 400 KDa

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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
Component:
ConcentrationFormulaName
150.0 mMNaClsodium chloride
25.0 mMHEPES4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeTFS 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: 1.6 µm / Nominal defocus min: 1.2 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 10642983
CTF correctionType: NONE
Startup modelType of model: NONE
Final reconstructionApplied symmetry - Point group: C2 (2 fold cyclic) / Resolution.type: BY AUTHOR / Resolution: 3.7 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 131948
Initial angle assignmentType: RANDOM ASSIGNMENT
Final angle assignmentType: RANDOM ASSIGNMENT
FSC plot (resolution estimation)

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