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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：Q15819 New Search
18PDB entries
39Biological assembly
42chain/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
1J74 Crystal Structure of Mms2 Deposited 2001-05-15 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–145（145 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；16% PEG 6000, 25mM NaCl, 100mM citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.90 Å R-free 0.246
1J7D Crystal Structure of hMms2-hUbc13 Deposited 2001-05-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–145（145 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；20% PEG 8000, 100mM Citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.85 Å R-free 0.244
1ZGU Solution structure of the human Mms2-Ubiquitin complex Deposited 2005-04-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 7–145（139 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7.5；293 K；Ionic strength (raw mmCIF value) 150 mM NaCl；Pressure 1
NMR measurement conditions pH 7.5；303 K；Ionic strength (raw mmCIF value) 150 mM NaCl；Pressure 1
NMR sample composition [U-15N; U-10% 13C]-hMms2 + Ubiquitin (1:4 ratio) 90% H20 : 10% D20 | 90% H20 : 10% D20
NMR sample composition [U-13C; U-15N]-Ubiquitin + hMms2 (4:1 ratio) 90% H20 : 10% D20 | 90% H20 : 10% D20
NMR sample composition [U-13C; U-15N]-hMms2 + Ubiquitin (1:4 ratio) 90% H20 : 10% D20 | 90% H20 : 10% D20
Resolution not provided
3VON Crystalstructure of the ubiquitin protease Deposited 2012-01-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 6–143（138 aa） Fragment：UNP residues 6-143
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；90mM Tris-HCl buffer (pH 8.5), 19% PEG 3350, 10mM EDTA sodium salt, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.15 Å R-free 0.281
3VON Crystalstructure of the ubiquitin protease Deposited 2012-01-30 Assembly 10 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain W 6–143（138 aa） Fragment：UNP residues 6-143
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；90mM Tris-HCl buffer (pH 8.5), 19% PEG 3350, 10mM EDTA sodium salt, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.15 Å R-free 0.281
3VON Crystalstructure of the ubiquitin protease Deposited 2012-01-30 Assembly 11 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain Y 6–143（138 aa） Fragment：UNP residues 6-143
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；90mM Tris-HCl buffer (pH 8.5), 19% PEG 3350, 10mM EDTA sodium salt, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.15 Å R-free 0.281
3VON Crystalstructure of the ubiquitin protease Deposited 2012-01-30 Assembly 12 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain a 6–143（138 aa） Fragment：UNP residues 6-143
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；90mM Tris-HCl buffer (pH 8.5), 19% PEG 3350, 10mM EDTA sodium salt, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.15 Å R-free 0.281
3VON Crystalstructure of the ubiquitin protease Deposited 2012-01-30 Assembly 13 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain d 6–143（138 aa） Fragment：UNP residues 6-143
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；90mM Tris-HCl buffer (pH 8.5), 19% PEG 3350, 10mM EDTA sodium salt, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.15 Å R-free 0.281
3VON Crystalstructure of the ubiquitin protease Deposited 2012-01-30 Assembly 14 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain f 6–143（138 aa） Fragment：UNP residues 6-143
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；90mM Tris-HCl buffer (pH 8.5), 19% PEG 3350, 10mM EDTA sodium salt, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.15 Å R-free 0.281
3VON Crystalstructure of the ubiquitin protease Deposited 2012-01-30 Assembly 15 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain h 6–143（138 aa） Fragment：UNP residues 6-143
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；90mM Tris-HCl buffer (pH 8.5), 19% PEG 3350, 10mM EDTA sodium salt, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.15 Å R-free 0.281
3VON Crystalstructure of the ubiquitin protease Deposited 2012-01-30 Assembly 16 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain k 6–143（138 aa） Fragment：UNP residues 6-143
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；90mM Tris-HCl buffer (pH 8.5), 19% PEG 3350, 10mM EDTA sodium salt, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.15 Å R-free 0.281
3VON Crystalstructure of the ubiquitin protease Deposited 2012-01-30 Assembly 17 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain m 6–143（138 aa） Fragment：UNP residues 6-143
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；90mM Tris-HCl buffer (pH 8.5), 19% PEG 3350, 10mM EDTA sodium salt, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.15 Å R-free 0.281
3VON Crystalstructure of the ubiquitin protease Deposited 2012-01-30 Assembly 18 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain o 6–143（138 aa） Fragment：UNP residues 6-143
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；90mM Tris-HCl buffer (pH 8.5), 19% PEG 3350, 10mM EDTA sodium salt, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.15 Å R-free 0.281
3VON Crystalstructure of the ubiquitin protease Deposited 2012-01-30 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 6–143（138 aa） Fragment：UNP residues 6-143
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；90mM Tris-HCl buffer (pH 8.5), 19% PEG 3350, 10mM EDTA sodium salt, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.15 Å R-free 0.281
3VON Crystalstructure of the ubiquitin protease Deposited 2012-01-30 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain F 6–143（138 aa） Fragment：UNP residues 6-143
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；90mM Tris-HCl buffer (pH 8.5), 19% PEG 3350, 10mM EDTA sodium salt, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.15 Å R-free 0.281
3VON Crystalstructure of the ubiquitin protease Deposited 2012-01-30 Assembly 4 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain I 6–143（138 aa） Fragment：UNP residues 6-143
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；90mM Tris-HCl buffer (pH 8.5), 19% PEG 3350, 10mM EDTA sodium salt, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.15 Å R-free 0.281
3VON Crystalstructure of the ubiquitin protease Deposited 2012-01-30 Assembly 5 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain K 6–143（138 aa） Fragment：UNP residues 6-143
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；90mM Tris-HCl buffer (pH 8.5), 19% PEG 3350, 10mM EDTA sodium salt, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.15 Å R-free 0.281
3VON Crystalstructure of the ubiquitin protease Deposited 2012-01-30 Assembly 6 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain M 6–143（138 aa） Fragment：UNP residues 6-143
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；90mM Tris-HCl buffer (pH 8.5), 19% PEG 3350, 10mM EDTA sodium salt, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.15 Å R-free 0.281
3VON Crystalstructure of the ubiquitin protease Deposited 2012-01-30 Assembly 7 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain P 6–143（138 aa） Fragment：UNP residues 6-143
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；90mM Tris-HCl buffer (pH 8.5), 19% PEG 3350, 10mM EDTA sodium salt, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.15 Å R-free 0.281
3VON Crystalstructure of the ubiquitin protease Deposited 2012-01-30 Assembly 8 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain R 6–143（138 aa） Fragment：UNP residues 6-143
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；90mM Tris-HCl buffer (pH 8.5), 19% PEG 3350, 10mM EDTA sodium salt, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.15 Å R-free 0.281
3VON Crystalstructure of the ubiquitin protease Deposited 2012-01-30 Assembly 9 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain T 6–143（138 aa） Fragment：UNP residues 6-143
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；90mM Tris-HCl buffer (pH 8.5), 19% PEG 3350, 10mM EDTA sodium salt, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.15 Å R-free 0.281
4NR3 Crystal Structure of a human Mms2/Ubc13 L121G mutant Deposited 2013-11-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 6–145（140 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.8；298 K；20% PEG 8000, 0.1 M sodium citrate, pH 6.8, vapor diffusion, sitting drop, temperature 298K
Resolution 1.80 Å R-free 0.234
4NRG Crystal Structure of a human Mms2/Ubc13 D118G mutant Deposited 2013-11-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–145（145 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.8；298 K；20% PEG 8000, 0.1 M sodium citrate, pH 6.8, vapor diffusion, sitting drop, temperature 298K
Resolution 1.95 Å R-free 0.211
4NRI Crystal Structure of a human Mms2/Ubc13 A122G mutant Deposited 2013-11-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 6–145（140 aa）
Not recorded GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.8；298 K；20% PEG 8000, 0.1 M sodium citrate, pH 6.8, vapor diffusion, sitting drop, temperature 298K
Resolution 2.30 Å R-free 0.235
4ONL Crystal structure of human Mms2/Ubc13_D81N, R85S, A122V, N123P Deposited 2014-01-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–145（145 aa）
Mutation：R85S, A122V, N123P No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.4；298 K；100 mM sodium citrate, 15% PEG 8000, pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 1.35 Å R-free 0.199
4ONM Crystal structure of human Mms2/Ubc13 - NSC697923 Deposited 2014-01-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–145（145 aa）
Not recorded GOL GLYCEROL × 1 N2F 2-[(4-methylphenyl)sulfonyl]-5-nitrofuran × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.4；298 K；100 mM sodium citrate, 15% PEG 8000, pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 1.35 Å R-free 0.192
4ONN Crystal structure of human Mms2/Ubc13 - BAY 11-7082 Deposited 2014-01-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–145（145 aa）
Not recorded GOL GLYCEROL × 3 BY1 3-[(4-methylphenyl)sulfonyl]prop-2-enenitrile × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.4；298 K；100 mM sodium citrate, 15% PEG 8000, pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 1.50 Å R-free 0.213
4ORH Crystal structure of RNF8 bound to the UBC13/MMS2 heterodimer Deposited 2014-02-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain I 1–145（145 aa）
Not recorded ZN ZINC ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.5；298 K；75 mM Sodium Acetate, 1.0 M Ammonium Phosphate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 4.80 Å R-free 0.282
4ORH Crystal structure of RNF8 bound to the UBC13/MMS2 heterodimer Deposited 2014-02-11 Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain E 1–145（145 aa）
Not recorded ZN ZINC ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.5；298 K；75 mM Sodium Acetate, 1.0 M Ammonium Phosphate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 4.80 Å R-free 0.282
4ORH Crystal structure of RNF8 bound to the UBC13/MMS2 heterodimer Deposited 2014-02-11 Assembly 3 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–145（145 aa）
Not recorded ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.5；298 K；75 mM Sodium Acetate, 1.0 M Ammonium Phosphate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 4.80 Å R-free 0.282
5AIT A complex of of RNF4-RING domain, UbeV2, Ubc13-Ub (isopeptide crosslink) Deposited 2015-02-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric（7） Consistent with protein count
Chain D 1–145（145 aa） Fragment：UNP RESIDUES 1-145
Chain G 1–145（145 aa） Fragment：UNP RESIDUES 1-145
Not recorded ZN ZINC ION × 4 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 3.40 Å R-free 0.286
7BBD Crystal structure of monoubiquitinated TRIM21 RING (Ub-RING) In complex with ubiquitin charged Ube2N (Ube2N~Ub) and Ube2V2 Deposited 2020-12-17 Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–145（145 aa）
Not recorded ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；290.15 K；MOPSO, Bis-Tris, PEG 4K, 1,2,6-hexanetriol, Li, Na, K
Resolution 2.20 Å R-free 0.252
7BBF Crystal structure of ubiquitin charged Ube2N (Ube2N~Ub) in complex with Ube2V2 Deposited 2020-12-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count
Chain B 1–145（145 aa）
Chain E 1–145（145 aa）
Chain H 1–145（145 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；290 K；0.1 M bicine Trizma base pH 8.5, 12.5% PEG 1000, 12.5% PEG 3350, 12.5% MPD, 0.2 % of each Anesthetic alkaloids (lidocaine HCl H2O, procaine HCl, proparacaine HCl, tetracaine HCl)
Resolution 2.54 Å R-free 0.253
8WR5 The Crystal Structure of Mms2 from Biortus Deposited 2023-10-13 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–145（145 aa）
Not recorded SO4 SULFATE ION × 1 EDO 1,2-ETHANEDIOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.2 M Li2SO4,0.1 M NaAC pH5.5,10% PEG 1000,10% PEG 8000
Resolution 1.70 Å R-free 0.210
8WR5 The Crystal Structure of Mms2 from Biortus Deposited 2023-10-13 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–145（145 aa）
Not recorded SO4 SULFATE ION × 2 EDO 1,2-ETHANEDIOL × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.2 M Li2SO4,0.1 M NaAC pH5.5,10% PEG 1000,10% PEG 8000
Resolution 1.70 Å R-free 0.210
9BIV Crystal Structure of Ubc13 with a New Active Site Loop Conformation Deposited 2024-04-24 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–145（145 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions BATCH MODE；pH 7.5；298 K；Ubc13-Mms2 heterodimer was concentrated to 12 mg/mL and stored in 50 mM Tris pH 7.5, 150 mM NaCl, 1mM TCEP. Complex was left to slowly equilibrate from 277K to 298 overnight
Resolution 1.68 Å R-free 0.177
9LHJ UBE2N/UBE2V2 complexed with a covalent inhibitor Deposited 2025-01-12 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 1–145（145 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289.15 K；0.1 M BIS-TRIS pH 6.5, 20% w/v PEG 5,000
Resolution 1.68 Å R-free 0.228
9LHJ UBE2N/UBE2V2 complexed with a covalent inhibitor Deposited 2025-01-12 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–145（145 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289.15 K；0.1 M BIS-TRIS pH 6.5, 20% w/v PEG 5,000
Resolution 1.68 Å R-free 0.228
9N1F Crystal Structure of the Ark2C-Ubc13~Ub-Mms2 complex Deposited 2025-01-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 1–145（145 aa）
Mutation：S32A ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289.15 K；0.1 M Sodium Malonate and 18% w/v PEG 3350
Resolution 2.10 Å R-free 0.279

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.