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- EMDB-37684: Cryo-EM structure of the intact flagellar motor-hook complex in t... -

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Basic information

Entry
Database: EMDB / ID: EMD-37684
TitleCryo-EM structure of the intact flagellar motor-hook complex in the CW state
Map dataExperimental map
Sample
  • Complex: C ring-containing flagellar motor-hook complex in the CW state
    • Protein or peptide: x 16 types
KeywordsFlagellum / Flagellar motor / C ring / Switch complex / CheY / MOTOR PROTEIN
Function / homology
Function and homology information


bacterial-type flagellum basal body, distal rod, L ring / bacterial-type flagellum basal body, distal rod, P ring / bacterial-type flagellum basal body, distal rod / bacterial-type flagellum basal body, rod / bacterial-type flagellum organization / archaeal or bacterial-type flagellum-dependent cell motility / bacterial-type flagellum basal body, MS ring / bacterial-type flagellum basal body / bacterial-type flagellum-dependent swarming motility / positive chemotaxis ...bacterial-type flagellum basal body, distal rod, L ring / bacterial-type flagellum basal body, distal rod, P ring / bacterial-type flagellum basal body, distal rod / bacterial-type flagellum basal body, rod / bacterial-type flagellum organization / archaeal or bacterial-type flagellum-dependent cell motility / bacterial-type flagellum basal body, MS ring / bacterial-type flagellum basal body / bacterial-type flagellum-dependent swarming motility / positive chemotaxis / bacterial-type flagellum assembly / phosphorelay signal transduction system / cytoskeletal motor activity / protein secretion / bacterial-type flagellum-dependent cell motility / protein targeting / cell outer membrane / chemotaxis / outer membrane-bounded periplasmic space / structural molecule activity / metal ion binding / plasma membrane / cytoplasm
Similarity search - Function
Flagellar L-ring protein / Flagellar L-ring protein / Flagellar P-ring protein / Flagellar P-ring protein / Flagellar basal-body rod protein FlgC / Flagellar basal-body rod FlgG / Flagellar motor switch protein FliN, N-terminal / : / Flagellar motor switch protein FliN N-terminal / Flagellar hook-basal body complex protein FliE ...Flagellar L-ring protein / Flagellar L-ring protein / Flagellar P-ring protein / Flagellar P-ring protein / Flagellar basal-body rod protein FlgC / Flagellar basal-body rod FlgG / Flagellar motor switch protein FliN, N-terminal / : / Flagellar motor switch protein FliN N-terminal / Flagellar hook-basal body complex protein FliE / Flagellar basal-body rod protein FlgB / Flagellar hook-basal body complex protein FliE / Flagellar motor switch FliN / Flagellar motor switch FliN/Type III secretion HrcQb / Flagellar biosynthesis protein FliQ / Flagellar biosynthesis protein FliR / Flagellar transport protein FliP / Flagellar motor switch protein FliM / Flagellar motor switch protein FliM / Flagellar hook protein FlgE superfamily / Flagellar hook protein FlgE / Flagellar basal body protein FlaE D2 domain / 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 hook protein FlgE/F/G D1 domain / CheC-like superfamily / Flagellar hook-basal body protein, FlgE/F/G / Flagellar hook-basal body protein, FlgE/F/G-like / Flagellar motor switch protein FliN-like, C-terminal domain / Type III secretion system inner membrane R protein / Bacterial export protein family 3 / SpoA-like superfamily / Type III flagellar switch regulator (C-ring) FliN C-term / Bacterial export proteins, family 1 / Bacterial export proteins, family 3 / Flagella transport protein fliP family signature 1. / Type III secretion system inner membrane P protein / FliP family / Flagella transport protein fliP family signature 2. / Flagellar basal body rod protein, conserved site / Flagella basal body rod proteins signature. / Flagellar basal body rod protein, N-terminal / Flagellar basal-body/hook protein, C-terminal domain / Flagella basal body rod protein / Flagellar basal body rod FlgEFG protein C-terminal / 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 / Response regulator receiver domain / cheY-homologous receiver domain / Signal transduction response regulator, receiver domain / Response regulatory domain profile. / CheY-like superfamily / Prokaryotic membrane lipoprotein lipid attachment site profile.
Similarity search - Domain/homology
Flagellar basal-body rod protein FlgC / Flagellar hook protein FlgE / Flagellar basal-body rod protein FlgG / Flagellar motor switch protein FliG / Flagellar biosynthetic protein FliQ / Flagellar L-ring protein / Chemotaxis protein CheY / Flagellar M-ring protein / Flagellar P-ring protein / Flagellar basal-body rod protein FlgF ...Flagellar basal-body rod protein FlgC / Flagellar hook protein FlgE / Flagellar basal-body rod protein FlgG / Flagellar motor switch protein FliG / Flagellar biosynthetic protein FliQ / Flagellar L-ring protein / Chemotaxis protein CheY / Flagellar M-ring protein / Flagellar P-ring protein / Flagellar basal-body rod protein FlgF / Flagellar basal body rod protein FlgB / Flagellar motor switch protein FliM / Flagellar motor switch protein FliN / Flagellar hook-basal body complex protein FliE / Flagellar biosynthetic protein FliP / Flagellar biosynthetic protein FliR
Similarity search - Component
Biological speciesSalmonella enterica subsp. enterica serovar Typhimurium str. LT2 (bacteria)
Methodsingle particle reconstruction / cryo EM / Resolution: 4.3 Å
AuthorsTan JX / Zhang L / Zhou Y / Zhu YQ
Funding support China, 3 items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)81925024 China
National Natural Science Foundation of China (NSFC)U23A20163 China
Ministry of Science and Technology (MoST, China)2017YFA0503900 China
CitationJournal: To Be Published
Title: Cryo-EM structure of the intact flagellar motor-hook complex in the CW state
Authors: Tan JX / Zhang L / Zhou Y / Zhu YQ
History
DepositionOct 7, 2023-
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_37684.png

Downloads & links

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Map

FileDownload / File: emd_37684.map.gz / Format: CCP4 / Size: 2.2 GB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationExperimental map
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.2 Å/pix.
x 840 pix.
= 1008. Å		1.2 Å/pix.
x 840 pix.
= 1008. Å		1.2 Å/pix.
x 840 pix.
= 1008. Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.2 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.04
Minimum - Maximum-0.22412029 - 0.41535392
Average (Standard dev.)-0.001001432 (±0.017714595)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions840840840
Spacing840840840
CellA=B=C: 1008.00006 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : C ring-containing flagellar motor-hook complex in the CW state

EntireName: C ring-containing flagellar motor-hook complex in the CW state
Components
  • Complex: C ring-containing flagellar motor-hook complex in the CW state
    • Protein or peptide: Flagellar basal-body rod protein FlgG
    • Protein or peptide: Flagellar L-ring protein
    • Protein or peptide: Flagellar basal body rod protein FlgB
    • Protein or peptide: Flagellar hook-basal body complex protein FliE
    • Protein or peptide: Flagellar basal-body rod protein FlgF
    • Protein or peptide: Flagellar M-ring protein
    • Protein or peptide: Flagellar biosynthetic protein FliQ
    • Protein or peptide: Flagellar biosynthetic protein FliR
    • Protein or peptide: Flagellar biosynthetic protein FliP
    • Protein or peptide: Flagellar basal-body rod protein FlgC
    • Protein or peptide: Flagellar hook protein FlgE
    • Protein or peptide: Flagellar P-ring protein
    • Protein or peptide: Flagellar motor switch protein FliN
    • Protein or peptide: Flagellar motor switch protein FliG
    • Protein or peptide: Chemotaxis protein CheY
    • Protein or peptide: Flagellar motor switch protein FliM

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Supramolecule #1: C ring-containing flagellar motor-hook complex in the CW state

SupramoleculeName: C ring-containing flagellar motor-hook complex in the CW state
type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 (bacteria)

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Macromolecule #1: Flagellar basal-body rod protein FlgG

MacromoleculeName: Flagellar basal-body rod protein FlgG / type: protein_or_peptide / ID: 1 / Number of copies: 24 / Enantiomer: LEVO
Source (natural)Organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 (bacteria)
Molecular weightTheoretical: 27.784807 KDa
SequenceString: MISSLWIAKT GLDAQQTNMD VIANNLANVS TNGFKRQRAV FEDLLYQTIR QPGAQSSEQT TLPSGLQIGT GVRPVATERL HSQGNLSQT NNSKDVAIKG QGFFQVMLPD GTSAYTRDGS FQVDQNGQLV TAGGFQVQPA ITIPANALSI TIGRDGVVSV T QQGQAAPV ...String:
MISSLWIAKT GLDAQQTNMD VIANNLANVS TNGFKRQRAV FEDLLYQTIR QPGAQSSEQT TLPSGLQIGT GVRPVATERL HSQGNLSQT NNSKDVAIKG QGFFQVMLPD GTSAYTRDGS FQVDQNGQLV TAGGFQVQPA ITIPANALSI TIGRDGVVSV T QQGQAAPV QVGQLNLTTF MNDTGLESIG ENLYIETQSS GAPNESTPGL NGAGLLYQGY VETSNVNVAE ELVNMIQVQR AY EINSKAV STTDQMLQKL TQL

UniProtKB: Flagellar basal-body rod protein FlgG

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Macromolecule #2: Flagellar L-ring protein

MacromoleculeName: Flagellar L-ring protein / type: protein_or_peptide / ID: 2 / Number of copies: 26 / Enantiomer: LEVO
Source (natural)Organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 (bacteria)
Molecular weightTheoretical: 24.726666 KDa
SequenceString: MQKYALHAYP VMALMVATLT GCAWIPAKPL VQGATTAQPI PGPVPVANGS IFQSAQPINY GYQPLFEDRR PRNIGDTLTI VLQENVSAS KSSSANASRD GKTSFGFDTV PRYLQGLFGN SRADMEASGG NSFNGKGGAN ASNTFSGTLT VTVDQVLANG N LHVVGEKQ ...String:
MQKYALHAYP VMALMVATLT GCAWIPAKPL VQGATTAQPI PGPVPVANGS IFQSAQPINY GYQPLFEDRR PRNIGDTLTI VLQENVSAS KSSSANASRD GKTSFGFDTV PRYLQGLFGN SRADMEASGG NSFNGKGGAN ASNTFSGTLT VTVDQVLANG N LHVVGEKQ IAINQGTEFI RFSGVVNPRT ISGSNSVPST QVADARIEYV GNGYINEAQN MGWLQRFFLN LSPM

UniProtKB: Flagellar L-ring protein

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Macromolecule #3: Flagellar basal body rod protein FlgB

MacromoleculeName: Flagellar basal body rod protein FlgB / type: protein_or_peptide / ID: 3 / Number of copies: 5 / Enantiomer: LEVO
Source (natural)Organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 (bacteria)
Molecular weightTheoretical: 15.145061 KDa
SequenceString:
MLDRLDAALR FQQEALNLRA QRQEILAANI ANADTPGYQA RDIDFASELK KVMVRGREET GGVALTLTSS HHIPAQAVSS PAVDLLYRV PDQPSLDGNT VDMDRERTQF ADNSLKYQMG LTVLGSQLKG MMNVLQGGN

UniProtKB: Flagellar basal body rod protein FlgB

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Macromolecule #4: Flagellar hook-basal body complex protein FliE

MacromoleculeName: Flagellar hook-basal body complex protein FliE / type: protein_or_peptide / ID: 4 / Number of copies: 6 / Enantiomer: LEVO
Source (natural)Organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 (bacteria)
Molecular weightTheoretical: 11.087662 KDa
SequenceString:
MAAIQGIEGV ISQLQATAMA ARGQDTHSQS TVSFAGQLHA ALDRISDRQA AARVQAEKFT LGEPGIALND VMADMQKASV SMQMGIQVR NKLVAAYQEV MSMQV

UniProtKB: Flagellar hook-basal body complex protein FliE

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Macromolecule #5: Flagellar basal-body rod protein FlgF

MacromoleculeName: Flagellar basal-body rod protein FlgF / type: protein_or_peptide / ID: 5 / Number of copies: 5 / Enantiomer: LEVO
Source (natural)Organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 (bacteria)
Molecular weightTheoretical: 26.121223 KDa
SequenceString: MDHAIYTAMG AASQTLNQQA VTASNLANAS TPGFRAQLNA LRAVPVDGLS LATRTLVTAS TPGADMTPGQ LDYTSRPLDV ALQQDGWLV VQAADGAEGY TRNGNIQVGP TGQLTIQGHP VIGEGGPITV PEGSEITIAA DGTISALNPG DPPNTVAPVG R LKLVKAEG ...String:
MDHAIYTAMG AASQTLNQQA VTASNLANAS TPGFRAQLNA LRAVPVDGLS LATRTLVTAS TPGADMTPGQ LDYTSRPLDV ALQQDGWLV VQAADGAEGY TRNGNIQVGP TGQLTIQGHP VIGEGGPITV PEGSEITIAA DGTISALNPG DPPNTVAPVG R LKLVKAEG NEVQRSDDGL FRLTAEAQAE RGAVLAADPS IRIMSGVLEG SNVKPVEAMT DMIANARRFE MQMKVITSVD EN EGRANQL LSMS

UniProtKB: Flagellar basal-body rod protein FlgF

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Macromolecule #6: Flagellar M-ring protein

MacromoleculeName: Flagellar M-ring protein / type: protein_or_peptide / ID: 6 / Number of copies: 110 / Enantiomer: LEVO
Source (natural)Organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 (bacteria)
Molecular weightTheoretical: 61.295645 KDa
SequenceString: MSATASTATQ PKPLEWLNRL RANPRIPLIV AGSAAVAIVV AMVLWAKTPD YRTLFSNLSD QDGGAIVAQL TQMNIPYRFA NGSGAIEVP ADKVHELRLR LAQQGLPKGG AVGFELLDQE KFGISQFSEQ VNYQRALEGE LARTIETLGP VKSARVHLAM P KPSLFVRE ...String:
MSATASTATQ PKPLEWLNRL RANPRIPLIV AGSAAVAIVV AMVLWAKTPD YRTLFSNLSD QDGGAIVAQL TQMNIPYRFA NGSGAIEVP ADKVHELRLR LAQQGLPKGG AVGFELLDQE KFGISQFSEQ VNYQRALEGE LARTIETLGP VKSARVHLAM P KPSLFVRE QKSPSASVTV TLEPGRALDE GQISAVVHLV SSAVAGLPPG NVTLVDQSGH LLTQSNTSGR DLNDAQLKFA ND VESRIQR RIEAILSPIV GNGNVHAQVT AQLDFANKEQ TEEHYSPNGD ASKATLRSRQ LNISEQVGAG YPGGVPGALS NQP APPNEA PIATPPTNQQ NAQNTPQTST STNSNSAGPR STQRNETSNY EVDRTIRHTK MNVGDIERLS VAVVVNYKTL ADGK PLPLT ADQMKQIEDL TREAMGFSDK RGDTLNVVNS PFSAVDNTGG ELPFWQQQSF IDQLLAAGRW LLVLVVAWIL WRKAV RPQL TRRVEEAKAA QEQAQVRQET EEAVEVRLSK DEQLQQRRAN QRLGAEVMSQ RIREMSDNDP RVVALVIRQW MSNDHE

UniProtKB: Flagellar M-ring protein

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Macromolecule #7: Flagellar biosynthetic protein FliQ

MacromoleculeName: Flagellar biosynthetic protein FliQ / type: protein_or_peptide / ID: 7 / Number of copies: 4 / Enantiomer: LEVO
Source (natural)Organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 (bacteria)
Molecular weightTheoretical: 9.606758 KDa
SequenceString:
MTPESVMMMG TEAMKVALAL AAPLLLVALI TGLIISILQA ATQINEMTLS FIPKIVAVFI AIIVAGPWML NLLLDYVRTL FSNLPYIIG

UniProtKB: Flagellar biosynthetic protein FliQ

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Macromolecule #8: Flagellar biosynthetic protein FliR

MacromoleculeName: Flagellar biosynthetic protein FliR / type: protein_or_peptide / ID: 8 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 (bacteria)
Molecular weightTheoretical: 28.938865 KDa
SequenceString: MIQVTSEQWL YWLHLYFWPL LRVLALISTA PILSERAIPK RVKLGLGIMI TLVIAPSLPA NDTPLFSIAA LWLAMQQILI GIALGFTMQ FAFAAVRTAG EFIGLQMGLS FATFVDPGSH LNMPVLARIM DMLAMLLFLT FNGHLWLISL LVDTFHTLPI G SNPVNSNA ...String:
MIQVTSEQWL YWLHLYFWPL LRVLALISTA PILSERAIPK RVKLGLGIMI TLVIAPSLPA NDTPLFSIAA LWLAMQQILI GIALGFTMQ FAFAAVRTAG EFIGLQMGLS FATFVDPGSH LNMPVLARIM DMLAMLLFLT FNGHLWLISL LVDTFHTLPI G SNPVNSNA FMALARAGGL IFLNGLMLAL PVITLLLTLN LALGLLNRMA PQLSIFVIGF PLTLTVGIML MAALMPLIAP FC EHLFSEI FNLLADIVSE MPINNNP

UniProtKB: Flagellar biosynthetic protein FliR

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Macromolecule #9: Flagellar biosynthetic protein FliP

MacromoleculeName: Flagellar biosynthetic protein FliP / type: protein_or_peptide / ID: 9 / Number of copies: 5 / Enantiomer: LEVO
Source (natural)Organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 (bacteria)
Molecular weightTheoretical: 26.801086 KDa
SequenceString: MRRLLFLSLA GLWLFSPAAA AQLPGLISQP LAGGGQSWSL SVQTLVFITS LTFLPAILLM MTSFTRIIIV FGLLRNALGT PSAPPNQVL LGLALFLTFF IMSPVIDKIY VDAYQPFSEQ KISMQEALDK GAQPLRAFML RQTREADLAL FARLANSGPL Q GPEAVPMR ...String:
MRRLLFLSLA GLWLFSPAAA AQLPGLISQP LAGGGQSWSL SVQTLVFITS LTFLPAILLM MTSFTRIIIV FGLLRNALGT PSAPPNQVL LGLALFLTFF IMSPVIDKIY VDAYQPFSEQ KISMQEALDK GAQPLRAFML RQTREADLAL FARLANSGPL Q GPEAVPMR ILLPAYVTSE LKTAFQIGFT IFIPFLIIDL VIASVLMALG MMMVPPATIA LPFKLMLFVL VDGWQLLMGS LA QSFYS

UniProtKB: Flagellar biosynthetic protein FliP

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Macromolecule #10: Flagellar basal-body rod protein FlgC

MacromoleculeName: Flagellar basal-body rod protein FlgC / type: protein_or_peptide / ID: 10 / Number of copies: 6 / Enantiomer: LEVO
Source (natural)Organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 (bacteria)
Molecular weightTheoretical: 13.991889 KDa
SequenceString:
MALLNIFDIA GSALAAQSKR LNVAASNLAN ADSVTGPDGQ PYRAKQVVFQ VDAAPGQATG GVKVASVIES QAPEKLVYEP GNPLADANG YVKMPNVDVV GEMVNTMSAS RSYQANIEVL NTVKSMMLKT LTLGQ

UniProtKB: Flagellar basal-body rod protein FlgC

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Macromolecule #11: Flagellar hook protein FlgE

MacromoleculeName: Flagellar hook protein FlgE / type: protein_or_peptide / ID: 11 / Number of copies: 29 / Enantiomer: LEVO
Source (natural)Organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 (bacteria)
Molecular weightTheoretical: 42.233152 KDa
SequenceString: MSFSQAVSGL NAAATNLDVI GNNIANSATY GFKSGTASFA DMFAGSKVGL GVKVAGITQD FTDGTTTNTG RGLDVAISQN GFFRLVDSN GSVFYSRNGQ FKLDENRNLV NMQGMQLTGY PATGTPPTIQ QGANPAPITI PNTLMAAKST TTASMQINLN S TDPVPSKT ...String:
MSFSQAVSGL NAAATNLDVI GNNIANSATY GFKSGTASFA DMFAGSKVGL GVKVAGITQD FTDGTTTNTG RGLDVAISQN GFFRLVDSN GSVFYSRNGQ FKLDENRNLV NMQGMQLTGY PATGTPPTIQ QGANPAPITI PNTLMAAKST TTASMQINLN S TDPVPSKT PFSVSDADSY NKKGTVTVYD SQGNAHDMNV YFVKTKDNEW AVYTHDSSDP AATAPTTAST TLKFNENGIL ES GGTVNIT TGTINGATAA TFSLSFLNSM QQNTGANNIV ATNQNGYKPG DLVSYQINND GTVVGNYSNE QEQVLGQIVL ANF ANNEGL ASQGDNVWAA TQASGVALLG TAGSGNFGKL TNGALEASNV DLSKELVNMI VAQRNYQSNA QTIKTQDQIL NTLV NLR

UniProtKB: Flagellar hook protein FlgE

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Macromolecule #12: Flagellar P-ring protein

MacromoleculeName: Flagellar P-ring protein / type: protein_or_peptide / ID: 12 / Number of copies: 26 / Enantiomer: LEVO
Source (natural)Organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 (bacteria)
Molecular weightTheoretical: 38.194176 KDa
SequenceString: MFKALAGIVL ALVATLAHAE RIRDLTSVQG VRENSLIGYG LVVGLDGTGD QTTQTPFTTQ TLNNMLSQLG ITVPTGTNMQ LKNVAAVMV TASYPPFARQ GQTIDVVVSS MGNAKSLRGG TLLMTPLKGV DSQVYALAQG NILVGGAGAS AGGSSVQVNQ L NGGRITNG ...String:
MFKALAGIVL ALVATLAHAE RIRDLTSVQG VRENSLIGYG LVVGLDGTGD QTTQTPFTTQ TLNNMLSQLG ITVPTGTNMQ LKNVAAVMV TASYPPFARQ GQTIDVVVSS MGNAKSLRGG TLLMTPLKGV DSQVYALAQG NILVGGAGAS AGGSSVQVNQ L NGGRITNG AIIERELPTQ FGAGNTINLQ LNDEDFTMAQ QITDAINRAR GYGSATALDA RTVQVRVPSG NSSQVRFLAD IQ NMEVNVT PQDAKVVINS RTGSVVMNRE VTLDSCAVAQ GNLSVTVNRQ LNVNQPNTPF GGGQTVVTPQ TQIDLRQSGG SLQ SVRSSA NLNSVVRALN ALGATPMDLM SILQSMQSAG CLRAKLEII

UniProtKB: Flagellar P-ring protein

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Macromolecule #13: Flagellar motor switch protein FliN

MacromoleculeName: Flagellar motor switch protein FliN / type: protein_or_peptide / ID: 13 / Number of copies: 102 / Enantiomer: LEVO
Source (natural)Organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 (bacteria)
Molecular weightTheoretical: 14.801823 KDa
SequenceString:
MSDMNNPSDE NTGALDDLWA DALNEQKATT TKSAADAVFQ QLGGGDVSGA MQDIDLIMDI PVKLTVELGR TRMTIKELLR LTQGSVVAL DGLAGEPLDI LINGYLIAQG EVVVVADKYG VRITDIITPS ERMRRLSR

UniProtKB: Flagellar motor switch protein FliN

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Macromolecule #14: Flagellar motor switch protein FliG

MacromoleculeName: Flagellar motor switch protein FliG / type: protein_or_peptide / ID: 14 / Number of copies: 34 / Enantiomer: LEVO
Source (natural)Organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 (bacteria)
Molecular weightTheoretical: 36.890957 KDa
SequenceString: MSNLSGTDKS VILLMTIGED RAAEVFKHLS TREVQALSTA MANVRQISNK QLTDVLSEFE QEAEQFAALN INANEYLRSV LVKALGEER ASSLLEDILE TRDTTSGIET LNFMEPQSAA DLIRDEHPQI IATILVHLKR SQAADILALF DERLRHDVML R IATFGGVQ ...String:
MSNLSGTDKS VILLMTIGED RAAEVFKHLS TREVQALSTA MANVRQISNK QLTDVLSEFE QEAEQFAALN INANEYLRSV LVKALGEER ASSLLEDILE TRDTTSGIET LNFMEPQSAA DLIRDEHPQI IATILVHLKR SQAADILALF DERLRHDVML R IATFGGVQ PAALAELTEV LNGLLDGQNL KRSKMGGVRT AAEIINLMKT QQEEAVITAV REFDGELAQK IIDEMFLFEN LV DVDDRSI QRLLQEVDSE SLLIALKGAE PPLREKFLRN MSQRAADILR DDLANRGPVR LSQVENEQKA ILLIVRRLAE TGE MVIGSG EDTYV

UniProtKB: Flagellar motor switch protein FliG

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Macromolecule #15: Chemotaxis protein CheY

MacromoleculeName: Chemotaxis protein CheY / type: protein_or_peptide / ID: 15 / Number of copies: 34 / Enantiomer: LEVO
Source (natural)Organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 (bacteria)
Molecular weightTheoretical: 14.177512 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString:
MADKELKFLV VDKFSTMRRI VRNLLKELGF NNVEEAEDGV DALNKLQAGG FGFIISDWNM PNMDGLELLK TIRADSAMSA LPVLMVTAE AKKENIIAAA QAGASGWVVK PFTAATLEEK LNKIFEKLGM

UniProtKB: Chemotaxis protein CheY

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Macromolecule #16: Flagellar motor switch protein FliM

MacromoleculeName: Flagellar motor switch protein FliM / type: protein_or_peptide / ID: 16 / Number of copies: 34 / Enantiomer: LEVO
Source (natural)Organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 (bacteria)
Molecular weightTheoretical: 37.901066 KDa
SequenceString: MGDSILSQAE IDALLNGDSD TKDEPTPGIA SDSDIRPYDP NTQRRVVRER LQALEIINER FARQFRMGLF NLLRRSPDIT VGAIRIQPY HEFARNLPVP TNLNLIHLKP LRGTGLVVFS PSLVFIAVDN LFGGDGRFPT KVEGREFTHT EQRVINRMLK L ALEGYSDA ...String:
MGDSILSQAE IDALLNGDSD TKDEPTPGIA SDSDIRPYDP NTQRRVVRER LQALEIINER FARQFRMGLF NLLRRSPDIT VGAIRIQPY HEFARNLPVP TNLNLIHLKP LRGTGLVVFS PSLVFIAVDN LFGGDGRFPT KVEGREFTHT EQRVINRMLK L ALEGYSDA WKAINPLEVE YVRSEMQVKF TNITTSPNDI VVNTPFHVEI GNLTGEFNIC LPFSMIEPLR ELLVNPPLEN SR HEDQNWR DNLVRQVQHS ELELVANFAD IPLRLSQILK LKPGDVLPIE KPDRIIAHVD GVPVLTSQYG TVNGQYALRV EHL INPILN SLNEEQPK

UniProtKB: Flagellar motor switch protein FliM

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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
11.7 mMTris-HCltris(hydroxymethyl)aminomethane hydrochloride
4.17 mMEDTAethylenediaminetetraacetic acid
0.083 % v/vTX-100octylphenol ethoxylate
25.0 mMNaClsodium chloride
GridModel: Quantifoil R0.6/1 / Material: GOLD / Mesh: 200 / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 180 sec. / Pretreatment - Atmosphere: AIR
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277.15 K / Instrument: FEI VITROBOT MARK IV
Details: Blot time: 4 Blot force: 10 Wait time: 30 Blot total: 1 Drain time: 2.
DetailsThis sample was prepared by incubating the C ring-containing flagellar motor-hook complex with the constitutively active mutant of CheY (CheY**)

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Specialist opticsEnergy filter - Name: TFS Selectris / Energy filter - Slit width: 10 eV
Image recordingFilm or detector model: FEI FALCON IV (4k 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 / Cs: 2.7 mm / Nominal defocus max: 1.8 µm / Nominal defocus min: 1.2 µm / Nominal magnification: 105000
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 46058 / Details: Particles were manually picked using cryoSPARC
Startup modelType of model: OTHER
Final reconstructionApplied symmetry - Point group: C34 (34 fold cyclic) / Resolution.type: BY AUTHOR / Resolution: 4.3 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. 4.1.1) / Number images used: 26921
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 4.1.1)
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 4.1.1)
FSC plot (resolution estimation)

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Atomic model buiding 1

Initial model
ChainDetailsPDB ID
source_name: Other, initial_model_type: in silico modelModel-Angelo
source_name: AlphaFold, initial_model_type: in silico model
source_name: PDB, initial_model_type: experimental model

7cbl

source_name: PDB, initial_model_type: experimental model

7cgo

RefinementProtocol: RIGID BODY FIT
Output model

PDB-8woe:
Cryo-EM structure of the intact flagellar motor-hook complex in the CW state

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