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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：A0AVT1 New Search
14PDB entries
17Biological assembly
19chain/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
7PVN Crystal Structure of Human UBA6 in Complex with ATP Deposited 2021-10-05 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–1052（1052 aa）
Mutation：C625A Non-standard monomer：Yes (specific site not provided by mmCIF) ATP ADENOSINE-5'-TRIPHOSPHATE × 1 GOL GLYCEROL × 4 MG MAGNESIUM ION × 1 CA CALCIUM ION × 2 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；0.1 M Na-cacodylate, 0.16 M Ca-acetate, 15% PEG 8000 and 16% Glycerol
Resolution 2.71 Å R-free 0.262
7PVN Crystal Structure of Human UBA6 in Complex with ATP Deposited 2021-10-05 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1–1052（1052 aa）
Mutation：C625A Non-standard monomer：Yes (specific site not provided by mmCIF) ATP ADENOSINE-5'-TRIPHOSPHATE × 1 GOL GLYCEROL × 4 MG MAGNESIUM ION × 1 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；0.1 M Na-cacodylate, 0.16 M Ca-acetate, 15% PEG 8000 and 16% Glycerol
Resolution 2.71 Å R-free 0.262
7PYV Crystal structure of human UBA6 in complex with the ubiquitin-like modifier FAT10 Deposited 2021-10-11 Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–623（623 aa）
Chain A 900–1052（153 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.4；277 K；0.5 M Lithium chloride, 0.1 M Tris pH 8.4, 25% PEG 6000
Resolution 3.27 Å R-free 0.239
7PYV Crystal structure of human UBA6 in complex with the ubiquitin-like modifier FAT10 Deposited 2021-10-11 Assembly 2 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1–623（623 aa）
Chain B 900–1052（153 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.4；277 K；0.5 M Lithium chloride, 0.1 M Tris pH 8.4, 25% PEG 6000
Resolution 3.27 Å R-free 0.239
7SOL Crystal Structures of the bispecific ubiquitin/FAT10 activating enzyme, Uba6 Deposited 2021-10-31 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 37–1052（1016 aa）
Mutation：C625A IHP INOSITOL HEXAKISPHOSPHATE × 1 AMP ADENOSINE MONOPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291 K；20 % PEG 3350, 0.2 M NaF
Resolution 2.25 Å R-free 0.206
7SOL Crystal Structures of the bispecific ubiquitin/FAT10 activating enzyme, Uba6 Deposited 2021-10-31 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 37–1052（1016 aa）
Mutation：C625A AMP ADENOSINE MONOPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291 K；20 % PEG 3350, 0.2 M NaF
Resolution 2.25 Å R-free 0.206
9QGW Consensus structure of UBA6-UbDha-BIRC6 trapped ternary complex (singly loaded) Deposited 2025-03-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 1–1052（1052 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.62 Å
9QH5 Consensus structure of UBA6-UbDha-BIRC6 trapped ternary complex (doubly loaded) Deposited 2025-03-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–1052（1052 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 AMP ADENOSINE MONOPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.09 Å
9QHI Structure of UBA6-UbDha-BIRC6 trapped ternary complex (cluster 0) Deposited 2025-03-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–1052（1052 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 AMP ADENOSINE MONOPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.27 Å
9QIA Structure of UBA6-UbDha-BIRC6 trapped ternary complex (cluster 2) Deposited 2025-03-18 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–1052（1052 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 AMP ADENOSINE MONOPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.38 Å
9QIC Consensus structure of UBA6 Deposited 2025-03-17 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1–1052（1052 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.29 Å
9QIG Structure of UBA6 (cluster 2) Deposited 2025-03-17 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1–1052（1052 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.94 Å
9QII Structure of UBA6 (cluster 3) Deposited 2025-03-17 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1–1052（1052 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.99 Å
9QIM Consensus structure of UBA6-BIRC6 Deposited 2025-03-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–1052（1052 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.57 Å
9QIO Structure of UBA6-BIRC6 (cluster 0) Deposited 2025-03-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–1052（1052 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.22 Å
9QIP Structure of UBA6-BIRC6 (cluster 4) Deposited 2025-03-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–1052（1052 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.15 Å
9QIV Consensus structure of UBA6-BIRC6 (alternative conformation) Deposited 2025-03-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–1052（1052 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.44 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.