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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：Q9Y6A5 New Search
4PDB entries
10Biological assembly
19chain/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
5LXN Coiled-coil protein Deposited 2016-09-22 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 758–838（81 aa）
Chain B 758–838（81 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) PGE TRIETHYLENE GLYCOL × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；289.15 K；35 % PEG 400, 0.05 M Sodium sulphate, 0.05 M Lithium sulphate, 0.05 M Tris pH 8.5
Resolution 2.08 Å R-free 0.285
5LXN Coiled-coil protein Deposited 2016-09-22 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 758–838（81 aa）
Chain D 758–838（81 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) PGE TRIETHYLENE GLYCOL × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；289.15 K；35 % PEG 400, 0.05 M Sodium sulphate, 0.05 M Lithium sulphate, 0.05 M Tris pH 8.5
Resolution 2.08 Å R-free 0.285
5LXN Coiled-coil protein Deposited 2016-09-22 Assembly 3 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 758–838（81 aa）
Chain F 758–838（81 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, SITTING DROP；pH 8.5；289.15 K；35 % PEG 400, 0.05 M Sodium sulphate, 0.05 M Lithium sulphate, 0.05 M Tris pH 8.5
Resolution 2.08 Å R-free 0.285
5LXN Coiled-coil protein Deposited 2016-09-22 Assembly 4 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain G 758–838（81 aa）
Chain H 758–838（81 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) PGE TRIETHYLENE GLYCOL × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；289.15 K；35 % PEG 400, 0.05 M Sodium sulphate, 0.05 M Lithium sulphate, 0.05 M Tris pH 8.5
Resolution 2.08 Å R-free 0.285
5LXO Coiled-coil protein Deposited 2016-09-22 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 758–838（81 aa）
Chain B 758–838（81 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 1 PGE TRIETHYLENE GLYCOL × 1 ACT ACETATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；289.15 K；35 % PEG 400, 0.05 M Sodium sulphate, 0.05 M Lithium sulphate, 0.05 M Tris pH 8.5
Resolution 2.18 Å R-free 0.285
5LXO Coiled-coil protein Deposited 2016-09-22 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 758–838（81 aa）
Chain D 758–838（81 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；289.15 K；35 % PEG 400, 0.05 M Sodium sulphate, 0.05 M Lithium sulphate, 0.05 M Tris pH 8.5
Resolution 2.18 Å R-free 0.285
5LXO Coiled-coil protein Deposited 2016-09-22 Assembly 3 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 758–838（81 aa）
Chain F 758–838（81 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) PGE TRIETHYLENE GLYCOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；289.15 K；35 % PEG 400, 0.05 M Sodium sulphate, 0.05 M Lithium sulphate, 0.05 M Tris pH 8.5
Resolution 2.18 Å R-free 0.285
5LXO Coiled-coil protein Deposited 2016-09-22 Assembly 4 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain G 758–838（81 aa）
Chain H 758–838（81 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, SITTING DROP；pH 8.5；289.15 K；35 % PEG 400, 0.05 M Sodium sulphate, 0.05 M Lithium sulphate, 0.05 M Tris pH 8.5
Resolution 2.18 Å R-free 0.285
5ODT Aurora-A in complex with TACC3 Deposited 2017-07-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 519–563（45 aa） Fragment：UNP residues 519-563
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 1 GOL GLYCEROL × 3 SO4 SULFATE ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；292 K；0.1 M Bis-Tris pH 5.5, 2 M Ammonium sulphate
Resolution 2.02 Å R-free 0.211
9YDY C-terminal coiled coil dimer of human TACC3 Deposited 2025-09-23 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 758–838（81 aa）
Chain B 758–838（81 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；298 K；0.1 M imidazole, 50% (+/-)-2-Methyl-2,4-pentanediol (MPD)
Resolution 2.30 Å R-free 0.264

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.