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- EMDB-39761: Structure of the S-ring region of the Vibrio flagellar MS-ring pr... -

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Basic information

Entry
Database: EMDB / ID: EMD-39761
TitleStructure of the S-ring region of the Vibrio flagellar MS-ring protein FliF with 34-fold symmetry applied
Map data
Sample
  • Complex: Homomeric 34mer of FliFG fusion protein of Vibrio alginolyticus
    • Protein or peptide: Flagellar M-ring protein,Flagellar motor switch protein FliG
KeywordsComplex / Rotor / MOTOR PROTEIN
Function / homology
Function and homology information


bacterial-type flagellum basal body, MS ring / bacterial-type flagellum basal body / cytoskeletal motor activity / bacterial-type flagellum-dependent cell motility / chemotaxis / plasma membrane
Similarity search - Function
Flagellar motor switch protein FliG / Flagellar motor switch protein FliG, alpha-helical / Flagellar motor switch protein FliG, C-terminal / Flagellar motor switch protein FliG, N-terminal domain / Flagellar motor switch protein FliG, middle domain / FliG C-terminal domain / FliG middle domain / FliG N-terminal domain / Flagellar M-ring protein FliF / Flagellar M-ring C-terminal ...Flagellar motor switch protein FliG / Flagellar motor switch protein FliG, alpha-helical / Flagellar motor switch protein FliG, C-terminal / Flagellar motor switch protein FliG, N-terminal domain / Flagellar motor switch protein FliG, middle domain / FliG C-terminal domain / FliG middle domain / FliG N-terminal domain / Flagellar M-ring protein FliF / Flagellar M-ring C-terminal / Flagellar M-ring protein C-terminal / Lipoprotein YscJ/Flagellar M-ring protein / Secretory protein of YscJ/FliF family / Flagellar M-ring , N-terminal / AMP-binding enzyme, C-terminal domain superfamily
Similarity search - Domain/homology
Flagellar motor switch protein FliG / Flagellar M-ring protein
Similarity search - Component
Biological speciesVibrio alginolyticus (bacteria)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.33 Å
AuthorsTakekawa N / Nishikino T / Kishikawa J / Hirose M / Kato T / Imada K / Homma M
Funding support Japan, 4 items
OrganizationGrant numberCountry
Japan Society for the Promotion of Science (JSPS)21H00393 Japan
Japan Society for the Promotion of Science (JSPS)21H01772 Japan
Japan Society for the Promotion of Science (JSPS)22K18943 Japan
Japan Society for the Promotion of Science (JSPS)20H03220 Japan
CitationJournal: To Be Published
Title: Structural analysis of S-ring composed of FliFG fusion proteins in marine Vibrio polar flagellar motors
Authors: Takekawa N / Nishikino T / Kishikawa J / Hirose M / Kinoshita M / Kojima S / Minamino T / Uchihashi T / Kato T / Imada K / Homma M
History
DepositionApr 17, 2024-
Header (metadata) releaseSep 4, 2024-
Map releaseSep 4, 2024-
UpdateSep 4, 2024-
Current statusSep 4, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_39761.png

Downloads & links

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Map

FileDownload / File: emd_39761.map.gz / Format: CCP4 / Size: 824 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
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Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.14 Å/pix.
x 600 pix.
= 684. Å		1.14 Å/pix.
x 600 pix.
= 684. Å		1.14 Å/pix.
x 600 pix.
= 684. Å

Surface

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Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.14 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.45
Minimum - Maximum-0.70187473 - 1.3979348
Average (Standard dev.)-0.00047603718 (±0.031946223)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions600600600
Spacing600600600
CellA=B=C: 684.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_39761_msk_1.map
Projections & Slices
AxesZYX

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Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_39761_half_map_1.map
Projections & Slices
AxesZYX

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Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_39761_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 : Homomeric 34mer of FliFG fusion protein of Vibrio alginolyticus

EntireName: Homomeric 34mer of FliFG fusion protein of Vibrio alginolyticus
Components
  • Complex: Homomeric 34mer of FliFG fusion protein of Vibrio alginolyticus
    • Protein or peptide: Flagellar M-ring protein,Flagellar motor switch protein FliG

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Supramolecule #1: Homomeric 34mer of FliFG fusion protein of Vibrio alginolyticus

SupramoleculeName: Homomeric 34mer of FliFG fusion protein of Vibrio alginolyticus
type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Vibrio alginolyticus (bacteria) / Strain: 138-2
Molecular weightTheoretical: 104 kDa/nm

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Macromolecule #1: Flagellar M-ring protein,Flagellar motor switch protein FliG

MacromoleculeName: Flagellar M-ring protein,Flagellar motor switch protein FliG
type: protein_or_peptide / ID: 1 / Number of copies: 34 / Enantiomer: LEVO
Source (natural)Organism: Vibrio alginolyticus (bacteria) / Strain: 138-2
Molecular weightTheoretical: 104.416828 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString: MNHKVHHHHH HIEGRHMADK STDLTVTEGG SDGALVASSD VDVESQNPDL EERSASKFDM AVGDLDLLRQ VVLVLSISIC VALIVMLFF WVKEPEMRPL GAYETEELIP VLDYLDQQKI NYKLDGNTIS VESSEYNSIK LGMVRSGVNQ ATEAGDDILL Q DMGFGVSQ ...String:
MNHKVHHHHH HIEGRHMADK STDLTVTEGG SDGALVASSD VDVESQNPDL EERSASKFDM AVGDLDLLRQ VVLVLSISIC VALIVMLFF WVKEPEMRPL GAYETEELIP VLDYLDQQKI NYKLDGNTIS VESSEYNSIK LGMVRSGVNQ ATEAGDDILL Q DMGFGVSQ RLEQERLKLS RERQLAQAIE EMKQVRKARV LLALPKHSVF VRHNQEASAS VFLTLSTGTN LKQQEVDSIV DM VASAVPG MKTSRITVTD QHGRLLSSGS QDPASAARRK EQELERSQEQ ALREKIDSVL LPILGYGNYT AQVDIQMDFS AVE QTRKRF DPNTPATRSE YALEDYNNGN MVAGIPGALS NQPPADASIP QDVAQMKDGS VMGQGSVRKE STRNFELDTT ISHE RKQTG TVARQTVSVA IKDRRQVNPD TGEVTYTPMS ESEINAIRQV LIGTVGFDQG RGDLLNVLSV KFAEPEAEQL EEPPI WEHP NFSDWVRWFA SALVIIVVVL VLVRPAMKKL LNPTSDDEDE MYGPDGLPIG ADGETSLIGS DIESSELFEF GSSIDL PNL HKDEDVLKAV RALVANEPEL AAQVVKNWMN DMANDIVPQD DNAAGMPVEL DVSTITGEEK AAILLLSLNE QDAAGII RH LEPKQVQRVG SAMAKAKDLS QDKVSAVHRA FLEDIQKYTN IGMGSEDFMR NALVAALGED KANNLVDQIL LGTGSKGL D SLKWMDPRQV ASIIVNEHPQ IQTIVLSYLE ADQSAEILSQ FPERVRLDLM MRIANLEEVQ PSALAELNEI MEKQFAGQA GAQAAKISGL KAAAEIMNYL DNNVEGLLME QIRDQDEDMA TQIQDLMFVF ENLVEVDDQG IQKLLRDVPQ DVLQKALKGA DDSLREKVF KNMSKRAAEM MRDDIEAMPP VRVADVEAAQ KEILAIARRM ADAGELMLSG GADEFL

UniProtKB: Flagellar M-ring protein, Flagellar motor switch protein FliG

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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
Component:
ConcentrationFormulaName
20.0 mMC4H11NO3Tris-HCl
100.0 mMKClpotassium chloride
0.0025 %(w/v)C47H88O22LMNG
GridModel: Quantifoil R1.2/1.3 / Material: COPPER / Mesh: 300 / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Atmosphere: AIR
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Specialist opticsEnergy filter - Name: GIF Bioquantum / Energy filter - Slit width: 20 eV
Image recordingFilm or detector model: GATAN K3 BIOCONTINUUM (6k x 4k) / Number real images: 6372 / Average exposure time: 7.3 sec. / Average electron dose: 49.7 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 1.7 µm / Nominal defocus min: 0.7000000000000001 µm / Nominal magnification: 64000
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 2059366
Startup modelType of model: NONE
Final reconstructionApplied symmetry - Point group: C34 (34 fold cyclic) / Resolution.type: BY AUTHOR / Resolution: 3.33 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 43546
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC
FSC plot (resolution estimation)

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