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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：P69776 New Search
10PDB entries
10Biological assembly
22chain/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
1EQ7 CORE STRUCTURE OF THE OUTER MEMBRANE LIPOPROTEIN FROM ESCHERICHIA COLI AT 1.9 ANGSTROM RESOLUTION Deposited 2000-04-03 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 22–77（56 aa） Fragment：PROTEIN MOIETY
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.6；293 K；PEG 4000, ammonium sulfate, sodium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Resolution 1.90 Å R-free 0.269
1JCC Crystal Structure of a Novel Alanine-Zipper Trimer at 1.7 A Resolution, V13A,L16A,V20A,L23A,V27A,M30A,V34A mutations Deposited 2001-06-08 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 22–77（56 aa）
Chain B 22–77（56 aa）
Chain C 22–77（56 aa）
Mutation：V13A,L16A,V20A,L23A,V27A,M30A,V34A Mutation：V13A,L16A,V20A,L23A,V27A,M30A,V34A Mutation：V13A,L16A,V20A,L23A,V27A,M30A,V34A ZN ZINC ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.6；293 K；Sodium acetate, zinc acetate, PEG 8000, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.70 Å R-free 0.223
1JCD Crystal Structure of a Novel Alanine-Zipper Trimer at 1.3 A Resolution, I6A,L9A,V13A,L16A,V20A,L23A,V27A,M30A,V34A,L48A,M51A mutations Deposited 2001-06-08 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 22–73（52 aa）
Chain B 22–73（52 aa）
Chain C 22–73（52 aa）
Mutation：I6A,L9A,V13A,L16A,V20A,L23A,V27A,M30A,V34A,L48A,M51A Mutation：I6A,L9A,V13A,L16A,V20A,L23A,V27A,M30A,V34A,L48A,M51A Mutation：I6A,L9A,V13A,L16A,V20A,L23A,V27A,M30A,V34A,L48A,M51A No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4；277 K；Sodium acetate, sodium citrate, pH 4.0, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K
Resolution 1.30 Å R-free 0.209
1KFM Core side-chain packing and backbone conformation in Lpp-56 coiled-coil mutants Deposited 2001-11-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 22–77（56 aa）
Mutation：M30A, V34A No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；293 K；PEG 4000, sodium cacodylate, ammonium acetate, pH 6.8, VAPOR DIFFUSION, HANGING DROP at 293K, VAPOR DIFFUSION, HANGING DROP
Resolution 2.00 Å R-free 0.288
1KFN Core side-chain packing and backbone conformation in Lpp-56 coiled-coil mutants Deposited 2001-11-21 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 22–77（56 aa）
Mutation：L23A, V27A, M30A, V34A No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4；293 K；PEG 4000, sodium acetate, ammonium acetate, L-cystein, pH 4.0, VAPOR DIFFUSION, HANGING DROP at 293K, VAPOR DIFFUSION, HANGING DROP
Resolution 1.65 Å R-free 0.272
1T8Z Atomic Structure of A Novel Tryptophan-Zipper Pentamer Deposited 2004-05-13 Assembly 1 Protein homooligomer Homooligomer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 22–74（53 aa）
Chain B 22–74（53 aa）
Chain C 22–74（53 aa）
Chain D 22–74（53 aa）
Chain E 22–74（53 aa）
Mutation：I6W, L9W, V13W, L16W, V20W, L23W, V27W, M30W, V34W, A37W, A41W, A44W, L48W, M51W Mutation：I6W, L9W, V13W, L16W, V20W, L23W, V27W, M30W, V34W, A37W, A41W, A44W, L48W, M51W Mutation：I6W, L9W, V13W, L16W, V20W, L23W, V27W, M30W, V34W, A37W, A41W, A44W, L48W, M51W Mutation：I6W, L9W, V13W, L16W, V20W, L23W, V27W, M30W, V34W, A37W, A41W, A44W, L48W, M51W Mutation：I6W, L9W, V13W, L16W, V20W, L23W, V27W, M30W, V34W, A37W, A41W, A44W, L48W, M51W SO4 SULFATE ION × 2 12P DODECAETHYLENE GLYCOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；298 K；PEG 400, Tris-HCl, ammonium sulfate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
Resolution 1.45 Å R-free 0.277
2GUS Conformational Transition between Four- and Five-stranded Phenylalanine Zippers Determined by a Local Packing Interaction Deposited 2006-05-01 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 22–77（56 aa）
Mutation：I6F, L9F, V13F, L16F, V20F, L23F, V27M, M30F, V34F, A37F, A41F, A44F, L48F, M51F No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；298 K；0.1M Tris-HCl, 10mM nickel chloride, 14% PEG MME2000, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
Resolution 1.75 Å R-free 0.287
2GUV Conformational Transition between Four- and Five-stranded Phenylalanine Zippers Determined by a Local Packing Interaction Deposited 2006-05-01 Assembly 1 Protein homooligomer Homooligomer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 22–77（56 aa）
Chain B 22–77（56 aa）
Chain C 22–77（56 aa）
Chain D 22–77（56 aa）
Chain E 22–77（56 aa）
Mutation：I6F, L9F, V13F, L16F, V20F, L23F, V27F, M30F, V34F, A37F, A41F, A44F, L48F, M51F Mutation：I6F, L9F, V13F, L16F, V20F, L23F, V27F, M30F, V34F, A37F, A41F, A44F, L48F, M51F Mutation：I6F, L9F, V13F, L16F, V20F, L23F, V27F, M30F, V34F, A37F, A41F, A44F, L48F, M51F Mutation：I6F, L9F, V13F, L16F, V20F, L23F, V27F, M30F, V34F, A37F, A41F, A44F, L48F, M51F Mutation：I6F, L9F, V13F, L16F, V20F, L23F, V27F, M30F, V34F, A37F, A41F, A44F, L48F, M51F No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；298 K；0.1M Tris-HCl, 15% isopropanol, 1,4-butanediol, 23% PEG4000, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.40 Å R-free 0.252
9RLC LolCDE complex with Lpp lipoprotein Deposited 2025-06-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain L 21–77（57 aa）
Mutation：delta K58 and C-terminal linker-strep II tag LESAWSHPQFEK PLM PALMITIC ACID × 1 Z41 (2S)-3-hydroxypropane-1,2-diyl dihexadecanoate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
9RLD LolCDE complex with Lpp lipoprotein Deposited 2025-06-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain L 21–77（57 aa）
Mutation：DeltaK58 and linker-strep II tag (LESAWSHPQF)EK PLM PALMITIC ACID × 1 Z41 (2S)-3-hydroxypropane-1,2-diyl dihexadecanoate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 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.