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- EMDB-60004: Composite cryo-EM map of Mycobacteriophage Douge central fiber (gp20) -

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Open data


ID or keywords:

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Basic information

Entry
Database: EMDB / ID: EMD-60004
TitleComposite cryo-EM map of Mycobacteriophage Douge central fiber (gp20)
Map data
Sample
  • Virus: Mycolicibacterium smegmatis MC2 155 (bacteria)
KeywordsMycobacteriophage / phage structure / Icosahedral / cryo-EM / protein assembly / VIRUS / VIRAL PROTEIN
Biological speciesMycolicibacterium smegmatis MC2 155 (bacteria)
Methodsingle particle reconstruction / cryo EM / Resolution: 4.18 Å
AuthorsMaharana J / Wang CH / Tsai LA / Lowary TL / Ho MC
Funding support Taiwan, 2 items
OrganizationGrant numberCountry
Academia Sinica (Taiwan) Taiwan
Ministry of Science and Technology (MoST, Taiwan) Taiwan
CitationJournal: To Be Published
Title: Mycobacteriophage cryo-EM studies reveal the siphophage architecture at the amino acid level and its host interaction for viral genome ejection
Authors: Maharana J / Wang CH / Tsai LA / Lowary TL / Ho MC
History
DepositionMay 2, 2024-
Header (metadata) releaseJun 25, 2025-
Map releaseJun 25, 2025-
UpdateJun 25, 2025-
Current statusJun 25, 2025Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_60004.png

Downloads & links

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Map

FileDownload / File: emd_60004.map.gz / Format: CCP4 / Size: 909.2 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.06 Å/pix.
x 620 pix.
= 657.82 Å		1.06 Å/pix.
x 620 pix.
= 657.82 Å		1.06 Å/pix.
x 620 pix.
= 657.82 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.061 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.5
Minimum - Maximum-0.0025849787 - 3.2824814
Average (Standard dev.)0.0012109303 (±0.024336437)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions620620620
Spacing620620620
CellA=B=C: 657.82 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : Mycolicibacterium smegmatis MC2 155

EntireName: Mycolicibacterium smegmatis MC2 155 (bacteria)
Components
  • Virus: Mycolicibacterium smegmatis MC2 155 (bacteria)

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Supramolecule #1: Mycolicibacterium smegmatis MC2 155

SupramoleculeName: Mycolicibacterium smegmatis MC2 155 / type: virus / ID: 1 / Parent: 0 / Macromolecule list: #1-#3 / NCBI-ID: 246196 / Sci species name: Mycolicibacterium smegmatis MC2 155 / Virus type: VIRION / Virus isolate: STRAIN / Virus enveloped: No / Virus empty: No

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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

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (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: 3.0 µm / Nominal defocus min: 0.43 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: INSILICO MODEL
Final reconstructionResolution.type: BY AUTHOR / Resolution: 4.18 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 31169
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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