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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：P16326 New Search
4PDB entries
4Biological assembly
30chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state 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
2D4X Crystal structure of a 26K fragment of HAP3 (FlgL) Deposited 2005-10-25 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 40–286（247 aa） Fragment：FL26
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 4.2；277 K；10-20% PEG 8000, 0.2M magnesium chloride, 0.1M Phosphate-citrate, pH 4.2, VAPOR DIFFUSION, temperature 277K
Resolution 1.90 Å R-free 0.258
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 C 51–273（223 aa）
Chain E 51–273（223 aa）
Chain F 51–273（223 aa）
Chain H 51–273（223 aa）
Chain J 51–273（223 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
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 BA 1–317（317 aa）
Chain BB 1–317（317 aa）
Chain BC 1–317（317 aa）
Chain BD 1–317（317 aa）
Chain BE 1–317（317 aa）
Chain BG 1–317（317 aa）
Chain BH 1–317（317 aa）
Chain BI 1–317（317 aa）
Chain BJ 1–317（317 aa）
Chain BK 1–317（317 aa）
Chain BL 1–317（317 aa）
Chain BM 1–317（317 aa）
Chain BN 1–317（317 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 BA 1–317（317 aa）
Chain BB 1–317（317 aa）
Chain BC 1–317（317 aa）
Chain BD 1–317（317 aa）
Chain BE 1–317（317 aa）
Chain BF 1–317（317 aa）
Chain BG 1–317（317 aa）
Chain BH 1–317（317 aa）
Chain BI 1–317（317 aa）
Chain BJ 1–317（317 aa）
Chain BK 1–317（317 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.