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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：P52490 New Search
8PDB entries
10Biological assembly
11chain/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
1JAT Mms2/Ubc13 Ubiquitin Conjugating Enzyme Complex Deposited 2001-05-31 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 2–153（152 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；298 K；PEG 1000, Tris, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.60 Å R-free 0.239
1JBB Ubiquitin Conjugating Enzyme, Ubc13 Deposited 2001-06-03 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–153（153 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；298 K；PEG 5000-MME, ammonium sulfate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.00 Å R-free 0.255
1JBB Ubiquitin Conjugating Enzyme, Ubc13 Deposited 2001-06-03 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1–153（153 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；298 K；PEG 5000-MME, ammonium sulfate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.00 Å R-free 0.255
2GMI Mms2/Ubc13~Ubiquitin Deposited 2006-04-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–152（152 aa）
Mutation：C87S No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.2；277 K；17% PEG 1000, 100 mM Na/K phosphate, pH 6.2, 25 mM NaCl, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.50 Å R-free 0.268
4FH1 S. cerevisiae Ubc13-N79A Deposited 2012-06-05 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–153（153 aa）
Mutation：N79A, C87S NHE 2-[N-CYCLOHEXYLAMINO]ETHANE SULFONIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 10.3；296 K；0.1 M CHES, pH 10.3, 20% PEG8000, VAPOR DIFFUSION, HANGING DROP, temperature 296K
Resolution 2.61 Å R-free 0.246
5OJW S. cerevisiae UBC13 - MMs2 complex Deposited 2017-07-24 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–152（152 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.6；292 K；0.1M Bis-Tris Propane / Citric Acid Buffer, pH 7.6, 20% PEG3000
Resolution 2.00 Å R-free 0.205
6ZHS Uba1 bound to two E2 (Ubc13) molecules Deposited 2020-06-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 1–153（153 aa）
Chain C 1–153（153 aa）
Not recorded SO4 SULFATE ION × 2 GOL GLYCEROL × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；273 K；ammonium sulfate, HEPES, PEG 3350
Resolution 2.35 Å R-free 0.275
6ZHT Uba1-Ubc13 disulfide mediated complex Deposited 2020-06-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–152（152 aa）
Not recorded GOL GLYCEROL × 12 CL CHLORIDE ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；273 K；ammonium nitrate, CHES, PEG 4000
Resolution 2.30 Å R-free 0.263
9GLT Crystal Structure of Yeast Ubc13 C87E Deposited 2024-08-28 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain AAA 1–153（153 aa）
Mutation：C87E No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；0.1 M sodium cacodylate, pH 6.5, 25% PEG 4000
Resolution 1.45 Å R-free 0.228
9GLT Crystal Structure of Yeast Ubc13 C87E Deposited 2024-08-28 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain BBB 1–153（153 aa）
Mutation：C87E No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；0.1 M sodium cacodylate, pH 6.5, 25% PEG 4000
Resolution 1.45 Å R-free 0.228

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.