8VKQ

CW Flagellar Switch Complex - FliF, FliG, FliM, and FliN forming the C-ring from Salmonella

• PDB DOI: https://doi.org/10.2210/pdb8VKQ/pdb
• EM Map EMD-43327: EMDB EMDataResource

• Classification: MOTOR PROTEIN
• Organism(s): Salmonella enterica subsp. enterica serovar Typhimurium
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2024-01-09 Released: 2024-02-28 
• Deposition Author(s): Singh, P.K., Iverson, T.M.
• Funding Organization(s): National Institutes of Health/John E. Fogarty International Center (NIH/FIC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 4.60 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structural basis for rotation and directional switching by the combined MS- and C-rings of bacterial flagella.

Singh, P.K., Iverson, T.M.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C34  (Explore in 3D)
Global Stoichiometry: Hetero 204-mer - A102B34C34D34 Pseudo Symmetry: Cyclic - C34  (Explore in 3D)
Pseudo Stoichiometry: Hetero 204-mer - A68B34C34D34E34 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 5,968.87 kDa 
• Atom Count: 150,314 
• Modelled Residue Count: 30,430 
• Deposited Residue Count: 54,162 
• Unique protein chains: 4

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Flagellar M-ring protein	A [auth F], AC [auth BC], AF [auth BF], CB [auth DB], CE [auth DE], EA [auth FA], ED [auth FD], EG [auth FG], G [auth A], GC [auth HC], GF [auth HF], IB [auth JB], IE [auth JE], KA [auth LA], KD [auth LD], KG [auth LG], M [auth I], MC [auth NC], MF [auth NF], OB [auth PB], OE [auth PE], QA [auth RA], QD [auth RD], QG [auth RG], S, SC [auth TC], SF [auth TF], UB [auth VB], UE [auth VE], WA [auth XA], WD [auth XD], Y [auth Z], YC [auth ZC], YF [auth ZF]	560	Salmonella enterica subsp. enterica serovar Typhimurium	Mutation(s): 0  Gene Names: fliF, fla AII.1, fla BI, STM1969
UniProt
Find proteins for P15928 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)) Explore P15928  Go to UniProtKB:  P15928

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Flagellar motor switch protein FliG	B [auth G], BC [auth CC], BF [auth CF], DB [auth EB], DE [auth EE], FA [auth GA], FD [auth GD], FG [auth GG], H [auth B], HC [auth IC], HF [auth IF], JB [auth KB], JE [auth KE], LA [auth MA], LD [auth MD], LG [auth MG], N [auth J], NC [auth OC], NF [auth OF], PB [auth QB], PE [auth QE], RA [auth SA], RD [auth SD], RG [auth SG], T, TC [auth UC], TF [auth UF], VB [auth WB], VE [auth WE], XA [auth YA], XD [auth YD], Z [auth AA], ZC [auth AD], ZF [auth AG]	331	Salmonella enterica subsp. enterica serovar Typhimurium	Mutation(s): 0  Gene Names: fliG, AUA10_01480, AUA59_00550
UniProt
Find proteins for A0A5W0I7H9 (Salmonella enterica subsp. arizonae serovar 18:z4,z23:-) Explore A0A5W0I7H9  Go to UniProtKB:  A0A5W0I7H9

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Flagellar motor switch protein FliM	AA [auth BA], AD [auth BD], AG [auth BG], C [auth M], CC [auth DC], CF [auth DF], EB [auth FB], EE [auth FE], GA [auth HA], GD [auth HD], GG [auth HG], I [auth C], IC [auth JC], IF [auth JF], KB [auth LB], KE [auth LE], MA [auth NA], MD [auth ND], MG [auth NG], O [auth K], OC [auth PC], OF [auth PF], QB [auth RB], QE [auth RE], SA [auth TA], SD [auth TD], SG [auth TG], U [auth V], UC [auth VC], UF [auth VF], WB [auth XB], WE [auth XE], YA [auth ZA], YD [auth ZD]	291	Salmonella enterica subsp. enterica serovar Typhimurium	Mutation(s): 0
UniProt
Find proteins for A0A5Y0LQY3 (Salmonella typhimurium) Explore A0A5Y0LQY3  Go to UniProtKB:  A0A5Y0LQY3

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Flagellar motor switch protein FliN	AB [auth BB], AE [auth BE], BA [auth CA], BB [auth CB], BD [auth CD], BE [auth CE], BG [auth CG], CA [auth DA], CD [auth DD], CG [auth DG], D [auth N], DA [auth EA], DC [auth EC], DD [auth ED], DF [auth EF], DG [auth EG], E [auth P], EC [auth FC], EF [auth FF], F [auth Q], FB [auth GB], FC [auth GC], FE [auth GE], FF [auth GF], GB [auth HB], GE [auth HE], HA [auth IA], HB [auth IB], HD [auth ID], HE [auth IE], HG [auth IG], IA [auth JA], ID [auth JD], IG [auth JG], J [auth D], JA [auth KA], JC [auth KC], JD [auth KD], JF [auth KF], JG [auth KG], K [auth E], KC [auth LC], KF [auth LF], L [auth H], LB [auth MB], LC [auth MC], LE [auth ME], LF [auth MF], MB [auth NB], ME [auth NE], NA [auth OA], NB [auth OB], ND [auth OD], NE [auth OE], NG [auth OG], OA [auth PA], OD [auth PD], OG [auth PG], P [auth L], PA [auth QA], PC [auth QC], PD [auth QD], PF [auth QF], PG [auth QG], Q [auth O], QC [auth RC], QF [auth RF], R, RB [auth SB], RC [auth SC], RE [auth SE], RF [auth SF], SB [auth TB], SE [auth TE], TA [auth UA], TB [auth UB], TD [auth UD], TE [auth UE], TG [auth UG], UA [auth VA], UD [auth VD], UG [auth VG], V [auth W], VA [auth WA], VC [auth WC], VD [auth WD], VF [auth WF], VG [auth WG], W [auth X], WC [auth XC], WF [auth XF], X [auth Y], XB [auth YB], XC [auth YC], XE [auth YE], XF [auth YF], YB [auth ZB], YE [auth ZE], ZA [auth AB], ZB [auth AC], ZD [auth AE], ZE [auth AF]	137	Salmonella enterica subsp. enterica serovar Typhimurium	Mutation(s): 0  Gene Names: fliN, flaN, motD, STM1977
UniProt
Find proteins for P26419 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)) Explore P26419  Go to UniProtKB:  P26419

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 4.60 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	4.2.1
RECONSTRUCTION	RELION	4.0.1

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-02-28 
Deposition Author(s): Singh, P.K., Iverson, T.M.

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Funding Organization	Location	Grant Number
National Institutes of Health/John E. Fogarty International Center (NIH/FIC)	United States	GM61606

Revision History  

• Version 1.0: 2024-02-28
  Type: Initial release
  
• Version 1.1: 2024-04-24
  Changes: Database references