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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：P16328 New Search
9PDB entries
11Biological assembly
45chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion Different experimental method 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
5GNA Crystal Structure of flagellin assembly related protein Deposited 2016-07-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 401–467（67 aa） Fragment：UNP RESIDUES 401-467
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；296 K；5% PEG 400, 10% isopropanol, 0.2 M magnesium chloride, 0.1 M Tris-HCl pH 8.0
Resolution 2.30 Å R-free 0.229
5KRW Recognition and targeting mechanisms by chaperones in flagella assembly and operation Deposited 2016-07-07 Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 428–467（40 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7；305 K；Ionic strength (raw mmCIF value) 120；Pressure 1
NMR sample composition 1 mM [U-99% 13C; U-99% 15N; U-99% 2H] FliT-FliD_fusion, 20 mM potassium phosphate, 100 mM potassium chloride, 0.5 mM EDTA, 5 mM beta-mercaptoethanol, 0.05 % sodium azide, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 1 mM U[15N,2H] 1H-13C-ILVMAT-methyl FliT-FliD_fusion, 20 mM potassium phosphate, 100 mM potassium chloride, 0.5 mM EDTA, 5 mM beta-mercaptoethanol, 0.05 % sodium azide, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 1 mM [U-99% 13C; U-99% 15N] FliT-FliD_fusion, 20 mM potassium phosphate, 100 mM potassium chloride, 0.5 mM EDTA, 5 mM beta-mercaptoethanol, 0.05 % sodium azide, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
6CH2 Crystal structure of the cytoplasmic domain of FlhA and FliT-FliD complex Deposited 2018-02-21 Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 428–467（40 aa） Fragment：unp residues 1-122; 428-467
Not recorded GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293 K；CaCl2, PEG8000, Sodium cacodylate
Resolution 2.70 Å R-free 0.266
6CH2 Crystal structure of the cytoplasmic domain of FlhA and FliT-FliD complex Deposited 2018-02-21 Assembly 2 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 428–467（40 aa） Fragment：unp residues 1-122; 428-467
Not recorded GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293 K；CaCl2, PEG8000, Sodium cacodylate
Resolution 2.70 Å R-free 0.266
6CH2 Crystal structure of the cytoplasmic domain of FlhA and FliT-FliD complex Deposited 2018-02-21 Assembly 3 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain F 428–467（40 aa） Fragment：unp residues 1-122; 428-467
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293 K；CaCl2, PEG8000, Sodium cacodylate
Resolution 2.70 Å R-free 0.266
9M67 the flagellar filament cap FliD in complex with FliC Deposited 2025-03-07 Assembly 1 Insufficient information Homooligomer；Protein × 10 PDB declaration: decameric（10） Consistent with protein count
Chain A 1–467（467 aa）
Chain B 1–467（467 aa）
Chain C 1–467（467 aa）
Chain D 1–467（467 aa）
Chain E 1–467（467 aa）
Chain F 1–467（467 aa）
Chain G 1–467（467 aa）
Chain H 1–467（467 aa）
Chain I 1–467（467 aa）
Chain J 1–467（467 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9M68 the flagellar filament cap FliD in complex with FlgL Deposited 2025-03-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 10 PDB declaration: decameric（10） Consistent with protein count
Chain A 19–433（415 aa）
Chain B 19–433（415 aa）
Chain D 19–433（415 aa）
Chain G 19–433（415 aa）
Chain I 19–433（415 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9M6H structure of FliD-FliC at a 10:10 stoichiometry Deposited 2025-03-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 20 PDB declaration: 20-meric（20） Consistent with protein count
Chain A 21–450（430 aa）
Chain C 21–450（430 aa）
Chain E 21–450（430 aa）
Chain G 21–450（430 aa）
Chain I 21–450（430 aa）
Chain K 21–450（430 aa）
Chain M 21–450（430 aa）
Chain O 21–450（430 aa）
Chain Q 21–450（430 aa）
Chain S 21–450（430 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.27 Å
9M6I structure of the FliD cap Deposited 2025-03-07 Assembly 1 Protein homooligomer Homooligomer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 1–467（467 aa）
Chain B 1–467（467 aa）
Chain C 1–467（467 aa）
Chain D 1–467（467 aa）
Chain E 1–467（467 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.06 Å
9U4R Structure of the intial complex in filament assembly at 3.23 angstroms resolution, conformation 2. Deposited 2025-03-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 73 PDB declaration: 73-meric（73） Consistent with protein count
Chain AA 1–467（467 aa）
Chain AB 1–467（467 aa）
Chain AC 1–467（467 aa）
Chain AD 1–467（467 aa）
Chain AE 1–467（467 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.23 Å
9U7Y Structure of the tip region of the intial complex in bacterial flagellar filament assembly at 3.68 angstroms resolution, conformation 3. Deposited 2025-03-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 60 PDB declaration: 60-meric（60） Consistent with protein count
Chain AA 1–467（467 aa）
Chain AB 1–467（467 aa）
Chain AC 1–467（467 aa）
Chain AD 1–467（467 aa）
Chain AE 1–467（467 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.68 Å

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.