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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：Q9WY63 New Search
7PDB entries
22Biological assembly
25chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion Different experimental conditions Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
1LKV Crystal Structure of the Middle and C-terminal Domains of the Flagellar Rotor Protein FliG Deposited 2002-04-25 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain X 104–335（232 aa） Fragment：RESIDUES 104-335
Not recorded CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.5；298 K；Isopropanol, CaCl2, sodium acetate, pluronic F-68, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 2.80 Å R-free 0.280
1LKV Crystal Structure of the Middle and C-terminal Domains of the Flagellar Rotor Protein FliG Deposited 2002-04-25 Assembly 2 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain X 104–335（232 aa） Fragment：RESIDUES 104-335
Not recorded CA CALCIUM ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.5；298 K；Isopropanol, CaCl2, sodium acetate, pluronic F-68, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 2.80 Å R-free 0.280
1QC7 T. MARITIMA FLIG C-TERMINAL DOMAIN Deposited 1999-05-18 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 235–335（101 aa） Fragment：FLIG-C
Chain B 235–335（101 aa） Fragment：FLIG-C
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.2；286 K；ISOPROPANOL, pH 5.2, temperature 286K
Resolution 2.20 Å R-free 0.304
3AJC Structure of the MC domain of FliG (PEV), a CW-biased mutant Deposited 2010-05-27 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 104–335（232 aa） Fragment：FliG MC domain, UNP residues 104-335
Mutation：deletion of UNP residues 170-172 No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.2；277 K；50% PEG 200, 0.1M Phospho-Citrate, 0.2M NaCl, pH 4.2, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 2.30 Å R-free 0.240
3SOH Architecture of the Flagellar Rotor Deposited 2011-06-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 117–193（77 aa） Fragment：middle domain (UNP residues 117-193)
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 6.5；0.1 M MES, pH 6.5, 10% dioxane, 1.6 M ammonium sulfate, EVAPORATION
Resolution 3.50 Å R-free 0.301
3SOH Architecture of the Flagellar Rotor Deposited 2011-06-30 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 117–193（77 aa） Fragment：middle domain (UNP residues 117-193)
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 6.5；0.1 M MES, pH 6.5, 10% dioxane, 1.6 M ammonium sulfate, EVAPORATION
Resolution 3.50 Å R-free 0.301
4FHR Crystal structure of the complex between the flagellar motor proteins FliG and FliM. Deposited 2012-06-06 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 115–327（213 aa） Fragment：Middle and C-terminal domains. UNP residues 115-327
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；293 K；50 mM calcium acetate, 0.1 M sodium cacodylate pH 6.0, and 25% v/v MPD, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.93 Å R-free 0.243
4QRM crystal structure of a binary complex of FliM-FliG middle domains from T.maritima Deposited 2014-07-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 117–187（71 aa） Fragment：Middle domain, Chain B, D, F, H, J, L, N, P, R, T, V
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.1 M imidazole, pH 6.5, 1.2 M sodium acetate trihydrate, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 4.32 Å R-free 0.291
4QRM crystal structure of a binary complex of FliM-FliG middle domains from T.maritima Deposited 2014-07-01 Assembly 10 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain N 117–187（71 aa） Fragment：Middle domain, Chain B, D, F, H, J, L, N, P, R, T, V
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.1 M imidazole, pH 6.5, 1.2 M sodium acetate trihydrate, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 4.32 Å R-free 0.291
4QRM crystal structure of a binary complex of FliM-FliG middle domains from T.maritima Deposited 2014-07-01 Assembly 11 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain P 117–187（71 aa） Fragment：Middle domain, Chain B, D, F, H, J, L, N, P, R, T, V
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.1 M imidazole, pH 6.5, 1.2 M sodium acetate trihydrate, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 4.32 Å R-free 0.291
4QRM crystal structure of a binary complex of FliM-FliG middle domains from T.maritima Deposited 2014-07-01 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 117–187（71 aa） Fragment：Middle domain, Chain B, D, F, H, J, L, N, P, R, T, V
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.1 M imidazole, pH 6.5, 1.2 M sodium acetate trihydrate, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 4.32 Å R-free 0.291
4QRM crystal structure of a binary complex of FliM-FliG middle domains from T.maritima Deposited 2014-07-01 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain F 117–187（71 aa） Fragment：Middle domain, Chain B, D, F, H, J, L, N, P, R, T, V
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.1 M imidazole, pH 6.5, 1.2 M sodium acetate trihydrate, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 4.32 Å R-free 0.291
4QRM crystal structure of a binary complex of FliM-FliG middle domains from T.maritima Deposited 2014-07-01 Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 117–187（71 aa） Fragment：Middle domain, Chain B, D, F, H, J, L, N, P, R, T, V
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.1 M imidazole, pH 6.5, 1.2 M sodium acetate trihydrate, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 4.32 Å R-free 0.291
4QRM crystal structure of a binary complex of FliM-FliG middle domains from T.maritima Deposited 2014-07-01 Assembly 5 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain J 117–187（71 aa） Fragment：Middle domain, Chain B, D, F, H, J, L, N, P, R, T, V
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.1 M imidazole, pH 6.5, 1.2 M sodium acetate trihydrate, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 4.32 Å R-free 0.291
4QRM crystal structure of a binary complex of FliM-FliG middle domains from T.maritima Deposited 2014-07-01 Assembly 6 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain R 117–187（71 aa） Fragment：Middle domain, Chain B, D, F, H, J, L, N, P, R, T, V
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.1 M imidazole, pH 6.5, 1.2 M sodium acetate trihydrate, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 4.32 Å R-free 0.291
4QRM crystal structure of a binary complex of FliM-FliG middle domains from T.maritima Deposited 2014-07-01 Assembly 7 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain T 117–187（71 aa） Fragment：Middle domain, Chain B, D, F, H, J, L, N, P, R, T, V
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.1 M imidazole, pH 6.5, 1.2 M sodium acetate trihydrate, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 4.32 Å R-free 0.291
4QRM crystal structure of a binary complex of FliM-FliG middle domains from T.maritima Deposited 2014-07-01 Assembly 8 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain V 117–187（71 aa） Fragment：Middle domain, Chain B, D, F, H, J, L, N, P, R, T, V
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.1 M imidazole, pH 6.5, 1.2 M sodium acetate trihydrate, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 4.32 Å R-free 0.291
4QRM crystal structure of a binary complex of FliM-FliG middle domains from T.maritima Deposited 2014-07-01 Assembly 9 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain L 117–187（71 aa） Fragment：Middle domain, Chain B, D, F, H, J, L, N, P, R, T, V
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.1 M imidazole, pH 6.5, 1.2 M sodium acetate trihydrate, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 4.32 Å R-free 0.291
5TDY Structure of cofolded FliFc:FliGn complex from Thermotoga maritima Deposited 2016-09-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–98（98 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；Wild Type: 100 mM HEPES pH 7.5, 25% (w/v) PEG3000, 200 mM sodium chloride Selenomethionine: 100 mm imidazole pH 7.2, 30% (w/v) PEG8000, 130 mM sodium chloride
Resolution 2.10 Å R-free 0.217
5TDY Structure of cofolded FliFc:FliGn complex from Thermotoga maritima Deposited 2016-09-20 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 1–98（98 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；Wild Type: 100 mM HEPES pH 7.5, 25% (w/v) PEG3000, 200 mM sodium chloride Selenomethionine: 100 mm imidazole pH 7.2, 30% (w/v) PEG8000, 130 mM sodium chloride
Resolution 2.10 Å R-free 0.217
5TDY Structure of cofolded FliFc:FliGn complex from Thermotoga maritima Deposited 2016-09-20 Assembly 3 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–98（98 aa）
Chain D 1–98（98 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；Wild Type: 100 mM HEPES pH 7.5, 25% (w/v) PEG3000, 200 mM sodium chloride Selenomethionine: 100 mm imidazole pH 7.2, 30% (w/v) PEG8000, 130 mM sodium chloride
Resolution 2.10 Å R-free 0.217
5TDY Structure of cofolded FliFc:FliGn complex from Thermotoga maritima Deposited 2016-09-20 Assembly 4 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–98（98 aa）
Chain D 1–98（98 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；Wild Type: 100 mM HEPES pH 7.5, 25% (w/v) PEG3000, 200 mM sodium chloride Selenomethionine: 100 mm imidazole pH 7.2, 30% (w/v) PEG8000, 130 mM sodium chloride
Resolution 2.10 Å R-free 0.217

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.