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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：Q9BUH6 New Search
20PDB entries
20Biological assembly
35chain/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
3WTD Structure of PAXX Deposited 2014-04-09 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–166（166 aa） Fragment：N-terminal domain, UNP RESIDUES 1-166
Chain B 1–166（166 aa） Fragment：N-terminal domain, UNP RESIDUES 1-166
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；291 K；1.5M ammonium sulfate, 12%(v/v) glycerol, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 2.35 Å R-free 0.229
3WTF Structure of PAXX Deposited 2014-04-09 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–204（204 aa）
Chain B 1–204（204 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；291 K；1M sodium malonate, 1% (v/v) 1,4-Dioxane, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 3.45 Å R-free 0.268
4WJA Crystal Structure of PAXX Deposited 2014-09-29 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–145（145 aa） Fragment：UNP RESIDUES 1-145
Chain B 1–145（145 aa） Fragment：UNP RESIDUES 1-145
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；289 K；2.24M Ammonium sulfate, 0.1M Bis-Tris, pH 5.5
Resolution 2.60 Å R-free 0.267
7ZWA CryoEM structure of Ku heterodimer bound to DNA and PAXX Deposited 2022-05-19 Assembly 1 Protein–DNA Heteromer；Protein × 3 PDB declaration: pentameric（5） Consistent with all polymers
Chain C 1–204（204 aa）
Not recorded PO4 PHOSPHATE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
7ZYG CryoEM structure of Ku heterodimer bound to DNA, PAXX and XLF Deposited 2022-05-24 Assembly 1 Protein–DNA Heteromer；Protein × 4 PDB declaration: hexameric（6） Consistent with all polymers
Chain C 1–204（204 aa）
Not recorded PO4 PHOSPHATE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.68 Å
8ASC Ku70/80 binds to the Ku-binding motif of PAXX Deposited 2022-08-19 Assembly 1 Protein–DNA Heteromer；Protein × 10 PDB declaration: octadecameric（18） Consistent with all polymers
Chain J 177–204（28 aa）
Chain T 177–204（28 aa）
Not recorded SO4 SULFATE ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；290 K；12% PEG- 3350; 0.1 M Bis-Tris Propane pH 8.5; 0.3 M Ammonium Sulfate
Resolution 2.95 Å R-free 0.298
8BH3 DNA-PK Ku80 mediated dimer bound to PAXX Deposited 2022-10-28 Assembly 1 Protein–DNA Heteromer；Protein × 14 PDB declaration: octadecameric（18） Consistent with all polymers
Chain D 1–204（204 aa）
Chain M 1–204（204 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.55 Å
8BHV DNA-PK XLF mediated dimer bound to PAXX Deposited 2022-11-01 Assembly 1 Protein–DNA Heteromer；Protein × 16 PDB declaration: eicosameric（20） Consistent with all polymers
Chain c 1–204（204 aa）
Chain i 1–204（204 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.51 Å
8BHY DNA-PK Ku80 mediated dimer bound to PAXX and XLF Deposited 2022-11-01 Assembly 1 Protein–DNA Heteromer；Protein × 16 PDB declaration: eicosameric（20） Consistent with all polymers
Chain D 1–204（204 aa）
Chain M 1–204（204 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.33 Å
8EZA NHEJ Long-range complex with PAXX Deposited 2022-10-31 Assembly 1 Protein–DNA Heteromer；Protein × 18 PDB declaration: 22-meric（22） Consistent with all polymers
Chain S 1–204（204 aa）
Chain T 1–204（204 aa）
Not recorded ATP ADENOSINE-5'-TRIPHOSPHATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.39 Å
8EZB NHEJ Long-range complex with ATP Deposited 2022-10-31 Assembly 1 Protein–DNA Heteromer；Protein × 16 PDB declaration: eicosameric（20） Consistent with all polymers
Chain S 1–204（204 aa）
Chain T 1–204（204 aa）
Not recorded MG MAGNESIUM ION × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.90 Å
9CQ3 The gap-filling complex with Pol mu engaged in the NHEJ pathway Deposited 2024-07-19 Assembly 1 Protein–DNA Heteromer；Protein × 16 PDB declaration: eicosameric（20） Consistent with all polymers
Chain G 1–204（204 aa）
Chain H 1–204（204 aa）
Not recorded MG MAGNESIUM ION × 2 DZ4 2'-deoxy-5'-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]amino}phosphoryl]adenosine × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
9CQ6 The ligation complex in the NHEJ pathway Deposited 2024-07-19 Assembly 1 Protein–DNA Heteromer；Protein × 14 PDB declaration: octadecameric（18） Consistent with all polymers
Chain G 1–204（204 aa）
Chain H 1–204（204 aa）
Not recorded AMP ADENOSINE MONOPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9CQC The ligation complex like in the NHEJ pathway Deposited 2024-07-19 Assembly 1 Protein–DNA Heteromer；Protein × 14 PDB declaration: octadecameric（18） Consistent with all polymers
Chain G 1–204（204 aa）
Chain H 1–204（204 aa）
Not recorded DZ4 2'-deoxy-5'-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]amino}phosphoryl]adenosine × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9G9L DNA-PK + Polymerase lambda Deposited 2024-07-25 Assembly 1 Protein–DNA Heteromer；Protein × 5 PDB declaration: heptameric（7） Consistent with all polymers
Chain M 1–204（204 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.63 Å
9GD7 DNA-PK Ku80 mediated dimer bound to DNA polymerase Lambda and DNA ligase 4/XRCC4 Deposited 2024-08-05 Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric（10） Consistent with all polymers
Chain M 1–204（204 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.25 Å
9GYF Ku70/80 with PAXX peptide mutation K193R Deposited 2024-10-02 Assembly 1 Protein–DNA Heteromer；Protein × 3 PDB declaration: pentameric（5） Consistent with all polymers
Chain C 180–202（23 aa）
Not recorded PO4 PHOSPHATE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
9N81 A gap-filling complex with Pol mu engaged in the NHEJ Pathway Deposited 2025-02-07 Assembly 1 Protein–DNA Heteromer；Protein × 16 PDB declaration: eicosameric（20） Consistent with all polymers
Chain G 1–204（204 aa）
Chain H 1–204（204 aa）
Not recorded MG MAGNESIUM ION × 1 DZ4 2'-deoxy-5'-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]amino}phosphoryl]adenosine × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
9N82 The ligation (AMP-Lys) complex in the NHEJ pathway Deposited 2025-02-07 Assembly 1 Protein–DNA Heteromer；Protein × 14 PDB declaration: octadecameric（18） Consistent with all polymers
Chain G 1–204（204 aa）
Chain H 1–204（204 aa）
Not recorded AMP ADENOSINE MONOPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9N83 The ligation complex in the NHEJ pathway Deposited 2025-02-07 Assembly 1 Protein–DNA Heteromer；Protein × 14 PDB declaration: octadecameric（18） Consistent with all polymers
Chain G 1–204（204 aa）
Chain H 1–204（204 aa）
Not recorded AMP ADENOSINE MONOPHOSPHATE × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 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.