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- EMDB-48709: Apo EcHerA Hexamer Assembly -

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Open data


ID or keywords:

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Basic information

Entry
Database: EMDB / ID: EMD-48709
TitleApo EcHerA Hexamer Assembly
Map data
Sample
  • Complex: Hexamer Apo HerA
    • Protein or peptide: HerA
KeywordsHerA / ATPase / Hexamer / cryo-EM / ANTIVIRAL PROTEIN
Biological speciesEscherichia coli (E. coli)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.56 Å
AuthorsRish AD / Fu T / Fosuah E
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)13854699 United States
CitationJournal: To Be Published
Title: Structure of apo hexamer EcHerA from the HerA-DUF antiviral defense system
Authors: Rish AD / Fu T / Fosuah E
History
DepositionJan 17, 2025-
Header (metadata) releaseSep 9, 2026-
Map releaseSep 9, 2026-
UpdateSep 9, 2026-
Current statusSep 9, 2026Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_48709.png

Downloads & links

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Map

FileDownload / File: emd_48709.map.gz / Format: CCP4 / Size: 244.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.86 Å/pix.
x 400 pix.
= 344. Å		0.86 Å/pix.
x 400 pix.
= 344. Å		0.86 Å/pix.
x 400 pix.
= 344. 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: 0.02
Minimum - Maximum-0.03836141 - 1.8247776
Average (Standard dev.)0.0011787409 (±0.022832215)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions400400400
Spacing400400400
CellA=B=C: 344.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #1

Fileemd_48709_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_48709_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 : Hexamer Apo HerA

EntireName: Hexamer Apo HerA
Components
  • Complex: Hexamer Apo HerA
    • Protein or peptide: HerA

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Supramolecule #1: Hexamer Apo HerA

SupramoleculeName: Hexamer Apo HerA / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Escherichia coli (E. coli)

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Macromolecule #1: HerA

MacromoleculeName: HerA / type: protein_or_peptide / ID: 1 / Number of copies: 6 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (E. coli)
Molecular weightTheoretical: 64.870047 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString: MSRNNDINAE VVSVSPNKLK ISVDDLEEFK IAEEKLGVGS YLRVSDNQDV ALLAIIDNFS IEVKESQKQK YMIEASPIGL VKNGKFYRG GDSLALPPKK VEPAKLDEII SIYSDSIDIN DRFTFSSLSL NTKVSVPVNG NRFFNKHIAI VGSTGSGKSH T VAKILQKA ...String:
MSRNNDINAE VVSVSPNKLK ISVDDLEEFK IAEEKLGVGS YLRVSDNQDV ALLAIIDNFS IEVKESQKQK YMIEASPIGL VKNGKFYRG GDSLALPPKK VEPAKLDEII SIYSDSIDIN DRFTFSSLSL NTKVSVPVNG NRFFNKHIAI VGSTGSGKSH T VAKILQKA VDEKQEGYKG LNNSHIIIFD IHSEYENAFP NSNVLNVDTL TLPYWLLNGD ELEELFLDTE ANDHNQRNVF RQ AITLNKK IHFQGDPATK EIISFHSPYY FDINEVINYI NNRNNERKNK DNEHIWSDEE GNFKFDNENA HRLFKENVTP DGS SAGALN GKLLNFVDRL QSKIFDKRLD FILGEGSKSV TFKETLETLI SYGKDKSNIT ILDVSGVPFE VLSICVSLIS RLIF EFGYH SKKIKRKSNE NQDIPILIVY EEAHKYAPKS DLSKYRTSKE AIERIAKEGR KYGVTLLLAS QRPSEISETI FSQCN TFIS MRLTNPDDQN YVKRLLPDTV GDITNLLPSL KEGEALIMGD SISIPSIVKI EKCTIPPSSI DIKYLDEWRK EWVDSE FDK IIEQWSKS

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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
VitrificationCryogen name: ETHANE

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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: 1.5 µm / Nominal defocus min: 0.5 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

CTF correctionType: NONE
Startup modelType of model: NONE
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.56 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 727553
Initial angle assignmentType: NOT APPLICABLE
Final angle assignmentType: NOT APPLICABLE
FSC plot (resolution estimation)

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