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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：Q92889 New Search
13PDB entries
14Biological assembly
16chain/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
1Z00 Solution structure of the C-terminal domain of ERCC1 complexed with the C-terminal domain of XPF Deposited 2005-03-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 823–905（83 aa） Fragment：C-TERMINAL DOMAIN
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7；295.5 K；Ionic strength (raw mmCIF value) 50mM phosphate, 100mM NaCl；Pressure 1
NMR sample composition 1.5mM ERCC1-XPF U-15N,13C; 50mM phosphate buffer NA: 92% H2O, 8% D2O | 92% H2O, 8% D2O
NMR sample composition 1mM ERCC1-XPF U-15N; 50mM phosphate buffer NA: 92% H2O, 8% D2O | 92% H2O, 8% D2O
Resolution not provided
2A1J Crystal Structure of the Complex between the C-Terminal Domains of Human XPF and ERCC1 Deposited 2005-06-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 837–898（62 aa） Fragment：C-terminal domain
Not recorded HG MERCURY (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.5；295 K；Sodium Citrate, Ammonium Sulfate, Sodium Chloride, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 2.70 Å R-free 0.275
2A1J Crystal Structure of the Complex between the C-Terminal Domains of Human XPF and ERCC1 Deposited 2005-06-20 Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 837–898（62 aa） Fragment：C-terminal domain
Not recorded HG MERCURY (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.5；295 K；Sodium Citrate, Ammonium Sulfate, Sodium Chloride, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 2.70 Å R-free 0.275
2AQ0 Solution structure of the human homodimeric dna repair protein XPF Deposited 2005-08-17 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 823–905（83 aa） Fragment：residues 823-905
Chain B 823–905（83 aa） Fragment：residues 823-905
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 5；293.6 K；Ionic strength (raw mmCIF value) 400mM NaCl；Pressure 1
NMR sample composition 1.2MM XPF U-15N,13C; 10mM phosphate; 400mM sodium chloride; 92 % h2o, 8% d2o | 92% H2O, 8% D2O
Resolution not provided
2KN7 Structure of the XPF-single strand DNA complex Deposited 2009-08-16 Assembly 1 Protein–DNA Homooligomer；Protein × 2 PDB declaration: tetrameric（4） Consistent with all polymers
Chain A 842–908（67 aa） Fragment：residues in UNP 842-908
Chain D 842–908（67 aa） Fragment：residues in UNP 842-908
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 5.2；293.8 K；Ionic strength (raw mmCIF value) 80-100；Pressure ambient
NMR sample composition 80mM sodium phosphate-1, 2mM sodium chloride-2, 0.005-0.010mM AEBSF protease inhibitor-3, 95% H2O/5% D2O | 95% H2O/5% D2O
Resolution not provided
2MUT Solution structure of the F231L mutant ERCC1-XPF dimerization region Deposited 2014-09-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 834–916（83 aa） Fragment：UNP residues 834-916
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7；290 K；Ionic strength (raw mmCIF value) 250；Pressure ambient
NMR sample composition 0.4 mM [U-100% 13C; U-100% 15N] protein_1, 0.4 mM [U-100% 13C; U-100% 15N] protein_2, 8 % D2O, 50 mM sodium phosphate, 100 mM sodium chloride, 92% H2O/8% D2O | 92% H2O/8% D2O
Resolution not provided
6SXA XPF-ERCC1 Cryo-EM Structure, Apo-form Deposited 2019-09-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain F 1–916（916 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8；20 mM HEPES pH 7.8, 150 mM NaCl, 1 mM TCEP, 0.01% CHAPS
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
6SXB XPF-ERCC1 Cryo-EM Structure, DNA-Bound form Deposited 2019-09-25 Assembly 1 Protein–DNA Heteromer；Protein × 2 PDB declaration: tetrameric（4） Consistent with all polymers
Chain F 1–916（916 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8；20 mM HEPES pH 7.8, 150 mM NaCl, 1 mM TCEP, 0.01% CHAPS
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.90 Å
9PCP NER dual incision complex - NoG Deposited 2025-06-28 Assembly 1 Protein–DNA Heteromer；Protein × 13 PDB declaration: 15-meric（15） Consistent with all polymers
Chain Q 1–916（916 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 6 CA CALCIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.30 Å
9PD3 NER dual incision complex - DuIS Deposited 2025-06-30 Assembly 1 Protein–DNA Heteromer；Protein × 15 PDB declaration: 17-meric（17） Consistent with all polymers
Chain Q 1–916（916 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9PD4 NER dual incision complex - DuIM Deposited 2025-06-30 Assembly 1 Protein–DNA Heteromer；Protein × 14 PDB declaration: hexadecameric（16） Consistent with all polymers
Chain Q 1–916（916 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9QEC Cryo-EM structure of the XPF-ERCC1-XPA complex Deposited 2025-03-08 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–916（916 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9QED Cryo-EM structure of the XPF-ERCC1-SLX4(330-555)-SLX4IP complex Deposited 2025-03-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–916（916 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
9QEE Cryo-EM structure of a DNA-bound XPF-ERCC1-SLX4(330-555)-SLX4IP complex Deposited 2025-03-09 Assembly 1 Protein–DNA Heteromer；Protein × 4 PDB declaration: hexameric（6） Consistent with all polymers
Chain A 1–916（916 aa）
Not recorded MN MANGANESE (II) ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 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.