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- EMDB-63663: structure of the FliD cap -

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Open data


ID or keywords:

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Basic information

Entry
Database: EMDB / ID: EMD-63663
Titlestructure of the FliD cap
Map data
Sample
  • Complex: the FliD cap
    • Protein or peptide: Flagellar hook-associated protein 2
KeywordsComplex / STRUCTURAL PROTEIN
Function / homology
Function and homology information


bacterial-type flagellum filament cap / bacterial-type flagellum hook / bacterial-type flagellum-dependent cell motility / cell adhesion / extracellular region
Similarity search - Function
Flagellar hook-associated protein 2, N-terminal / Flagellar hook-associated protein 2, C-terminal / Flagellar hook-associated protein 2 / Flagellar hook-associated protein 2 N-terminus / Flagellar hook-associated protein 2 C-terminus / Flagellin hook, IN motif / Flagellin hook IN motif
Similarity search - Domain/homology
Flagellar hook-associated protein 2
Similarity search - Component
Biological speciesSalmonella enterica subsp. enterica serovar Typhimurium (bacteria)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.06 Å
AuthorsXing Q / Cheng XQ / Jiang WX
Funding support China, 1 items
OrganizationGrant numberCountry
National Science Foundation (NSF, China)32371277 China
CitationJournal: To Be Published
Title: Structural insights into the initiation of bacterial flagellar filament elongation
Authors: Chen LX / Dong X / Zhang FF / Cheng XQ / Wang X / Jiang WX / Ma LX / Xing Q
History
DepositionMar 7, 2025-
Header (metadata) releaseDec 3, 2025-
Map releaseDec 3, 2025-
UpdateDec 3, 2025-
Current statusDec 3, 2025Processing site: PDBc / Status: Released

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Structure visualization

Supplemental images

emd_63663.png

Downloads & links

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Map

FileDownload / File: emd_63663.map.gz / Format: CCP4 / Size: 421.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.57 Å/pix.
x 480 pix.
= 272.16 Å		0.57 Å/pix.
x 480 pix.
= 272.16 Å		0.57 Å/pix.
x 480 pix.
= 272.16 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.567 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.005
Minimum - Maximum-0.4847113 - 0.6447141
Average (Standard dev.)-0.00035294512 (±0.010992915)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions480480480
Spacing480480480
CellA=B=C: 272.15997 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_63663_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_63663_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 : the FliD cap

EntireName: the FliD cap
Components
  • Complex: the FliD cap
    • Protein or peptide: Flagellar hook-associated protein 2

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Supramolecule #1: the FliD cap

SupramoleculeName: the FliD cap / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Salmonella enterica subsp. enterica serovar Typhimurium (bacteria)

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Macromolecule #1: Flagellar hook-associated protein 2

MacromoleculeName: Flagellar hook-associated protein 2 / type: protein_or_peptide / ID: 1
Details: Sequence reference for strain 'Salmonella enterica subsp. enterica serovar Typhimurium' is not available in UniProt at the time of biocuration. Current sequence reference is from UniProt id P16328.
Number of copies: 5 / Enantiomer: LEVO
Source (natural)Organism: Salmonella enterica subsp. enterica serovar Typhimurium (bacteria)
Molecular weightTheoretical: 49.951723 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString: MASISSLGVG SNLPLDQLLT DLTKNEKGRL TPITKQQSAN SAKLTAYGTL KSALEKFQTA NTALNKADLF KSTVASSTTE DLKVSTTAG ACAGTYKINV TQLAAAQSLA TKTTFATTKE QLGDTSVTSR TIKIEQPGRK EPLEIKLDKG DTSMEAIRDA I NDADSGIC ...String:
MASISSLGVG SNLPLDQLLT DLTKNEKGRL TPITKQQSAN SAKLTAYGTL KSALEKFQTA NTALNKADLF KSTVASSTTE DLKVSTTAG ACAGTYKINV TQLAAAQSLA TKTTFATTKE QLGDTSVTSR TIKIEQPGRK EPLEIKLDKG DTSMEAIRDA I NDADSGIC ASIVKVKENE FQLVLTANSG TDNTMKITVE GDTKLNDLLA YDSTTNTGNM QELVKAENAK LNVNGIDIER QS NTVTDAP QGITLTLTKK VTDATVTVTK DDTKAKEAIK SWVDAYNSLV DTFSSLTKYT AVEPGEEASD KNGALLGDSV VRT IQTGIR AQFANSGSNS AFKTMAEIGI TQDGTSGKLK IDDDKLTKVL KDNTAAAREL LVGDGKETGI TTKIATEVKS YLAD DGIID NAQDNVNATL KSLTKQYLSV SNSIDETVAR YKAQFTQLDT MMSKLNNTSS YLTQQFTAMN KS

UniProtKB: Flagellar hook-associated protein 2

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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: 8
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TALOS ARCTICA
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 30.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: OTHER / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 1.0 µm
Experimental equipment
Model: Talos Arctica / Image courtesy: FEI Company

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Image processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: NONE
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.06 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 653407
Initial angle assignmentType: NOT APPLICABLE
Final angle assignmentType: NOT APPLICABLE
FSC plot (resolution estimation)

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