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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：P0CG63 New Search
10PDB entries
10Biological assembly
23chain/assembly records
Main Difference Dimensions in This Set
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
3OLM Structure and Function of a Ubiquitin Binding Site within the Catalytic Domain of a HECT Ubiquitin Ligase Deposited 2010-08-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 1–76（76 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 9；293 K；13.5% PEG 4000, 0.2M magnesium chloride, 0.1M Tris-HCl pH 9.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 2.50 Å R-free 0.272
4HCN Crystal structure of Burkholderia pseudomallei effector protein CHBP in complex with ubiquitin Deposited 2012-09-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–76（76 aa） Fragment：unp RESIDUES 1-76
Not recorded PEG DI(HYDROXYETHYL)ETHER × 1 FMT FORMIC ACID × 2 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 7.2；293 K；12.5% PEG3350, 125MM MAGNESIUM FORMATE, pH 7.2, EVAPORATION, temperature 293K
Resolution 2.60 Å R-free 0.260
4NNJ Crystal structure of Uba1 in complex with ubiquitin-AMP and thioesterified ubiquitin Deposited 2013-11-18 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain B 1–76（76 aa） Fragment：UNP residues 1-76
Chain D 1–76（76 aa） Fragment：UNP residues 1-76
Chain E 1–76（76 aa） Fragment：UNP residues 1-76
Not recorded SO4 SULFATE ION × 4 GOL GLYCEROL × 29 AMP ADENOSINE MONOPHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；298 K；15% (w/v) polyethylene glycol 3350, 100mM lithium sulfate and 100mM BisTris, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.40 Å R-free 0.201
4Q5E Shigella Effector Kinase OspG bound to E2-Ub UbcH7-Ub Conjugate Deposited 2014-04-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 1–76（76 aa）
Mutation：C17S, C137S No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；293 K；100mM Hepes 8.2, 15% PEG 4000, 100 mM MgCl2, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.87 Å R-free 0.232
4Q5H Shigella Effector Kinase OspG bound to AMPPNP and E2-Ub UbcH7-Ub Conjugate Deposited 2014-04-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 1–76（76 aa）
Mutation：C17S, C137S MG MAGNESIUM ION × 1 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；293 K；100mM Hepes 8.2, 15% PEG 4000, 100 mM MgCl2, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.00 Å R-free 0.228
8DAT Saccharomyces cerevisiae Ufd1/Npl4/Cdc48 complex bound to three ubiquitin moieties in presence of SUMO-ubiquitin(K48polyUb)-mEOS and ATP, state 1 (intB) Deposited 2022-06-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: undecameric（11） Consistent with protein count
Chain J 1–76（76 aa）
Chain K 1–76（76 aa）
Chain L 1–76（76 aa）
Not recorded ATP ADENOSINE-5'-TRIPHOSPHATE × 5 ADP ADENOSINE-5'-DIPHOSPHATE × 7 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM HEPES pH 8.0, 150 mM NaCl, 0.1 mM TCEP, 1 mM MgCl2, 5 mM ATP. Added 0.05% CHAPSO before vitrification.
cryo-EM vitrification conditions Cryogen ETHANE；8 s wait, 4 s blot before plunging
Resolution 3.80 Å
8DAU Saccharomyces cerevisiae Ufd1/Npl4/Cdc48 complex bound to two folded ubiquitin moieties and one unfolded ubiquitin in presence of SUMO-ubiquitin(K48polyUb)-mEOS and ATP, state 1 (uA) Deposited 2022-06-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: undecameric（11） Consistent with protein count
Chain I 1–76（76 aa）
Chain J 1–76（76 aa）
Chain K 1–76（76 aa）
Not recorded ATP ADENOSINE-5'-TRIPHOSPHATE × 5 ADP ADENOSINE-5'-DIPHOSPHATE × 7 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM HEPES pH 8.0, 150 mM NaCl, 0.1 mM TCEP, 1 mM MgCl2, 5 mM ATP. Added 0.05% CHAPSO before vitrification.
cryo-EM vitrification conditions Cryogen ETHANE；8 s wait, 4 s blot before plunging
Resolution 3.70 Å
8DAV Saccharomyces cerevisiae Ufd1/Npl4/Cdc48 complex bound to two ubiquitin moieties and one unfolded ubiquitin in presence of SUMO-ubiquitin(K48polyUb)-mEOS and ATP, state 2 (uC) Deposited 2022-06-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: undecameric（11） Consistent with protein count
Chain I 1–76（76 aa）
Chain J 1–76（76 aa）
Chain K 1–76（76 aa）
Not recorded ATP ADENOSINE-5'-TRIPHOSPHATE × 5 ADP ADENOSINE-5'-DIPHOSPHATE × 7 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM HEPES pH 8.0, 150 mM NaCl, 0.1 mM TCEP, 1 mM MgCl2, 5 mM ATP. Added 0.05% CHAPSO before vitrification.
cryo-EM vitrification conditions Cryogen ETHANE；8 s wait, 4 s blot before plunging
Resolution 3.50 Å
8DAW Saccharomyces cerevisiae Ufd1/Npl4/Cdc48 complex bound to three ubiquitin moieties and one unfolded ubiquitin in presence of SUMO-ubiquitin(K48polyUb)-mEOS and ATP, state 2 (uD) Deposited 2022-06-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain I 1–76（76 aa）
Chain J 1–76（76 aa）
Chain K 1–76（76 aa）
Chain L 1–76（76 aa）
Not recorded ATP ADENOSINE-5'-TRIPHOSPHATE × 5 ADP ADENOSINE-5'-DIPHOSPHATE × 7 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20 mM HEPES pH 8.0, 150 mM NaCl, 0.1 mM TCEP, 1 mM MgCl2, 5 mM ATP. Added 0.05% CHAPSO before vitrification.
cryo-EM vitrification conditions Cryogen ETHANE；8 s wait, 4 s blot before plunging
Resolution 3.60 Å
9OFV Consensus reconstruction of the eukaryotic Ribosome-associated Quality Control complex Deposited 2025-04-30 Assembly 1 Protein–RNA Heteromer；Protein × 59 PDB declaration: 64-meric（64） Consistent with all polymers
Chain H 1–76（76 aa）
Chain J 1–76（76 aa）
Chain K 1–76（76 aa）
Not recorded ATP ADENOSINE-5'-TRIPHOSPHATE × 9 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ZN ZINC ION × 7 MG MAGNESIUM ION × 12 SPD SPERMIDINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.16 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.