← Back to search

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：P13123 New Search
24PDB entries
26Biological assembly
37chain/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
1AZP HYPERTHERMOPHILE CHROMOSOMAL PROTEIN SAC7D BOUND WITH KINKED DNA DUPLEX Deposited 1997-11-19 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric（3） Consistent with all polymers
Chain A 1–65（65 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；pH 6.5, VAPOR DIFFUSION, HANGING DROP
Resolution 1.60 Å R-free 0.252
1AZQ HYPERTHERMOPHILE CHROMOSOMAL PROTEIN SAC7D BOUND WITH KINKED DNA DUPLEX Deposited 1997-11-20 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric（3） Consistent with all polymers
Chain A 1–65（65 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；pH 6.5, VAPOR DIFFUSION, HANGING DROP
Resolution 1.94 Å R-free 0.238
1BF4 CHROMOSOMAL DNA-BINDING PROTEIN SSO7D/D(GCGAACGC) COMPLEX Deposited 1998-05-27 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric（3） Consistent with all polymers
Chain A 1–63（63 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；pH 6.5
Resolution 1.60 Å R-free 0.288
1CA5 INTERCALATION SITE OF HYPERTHERMOPHILE CHROMOSOMAL PROTEIN SSO7D/SAC7D BOUND TO DNA Deposited 1999-02-23 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric（3） Consistent with all polymers
Chain A 1–65（65 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；pH 6.5, VAPOR DIFFUSION, HANGING DROP
Resolution 2.20 Å R-free 0.276
1CA6 INTERCALATION SITE OF HYPERTHERMOPHILE CHROMOSOMAL PROTEIN SSO7D/SAC7D BOUND TO DNA Deposited 1999-02-23 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric（3） Consistent with all polymers
Chain A 1–65（65 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；pH 6.5, VAPOR DIFFUSION, HANGING DROP
Resolution 2.20 Å R-free 0.257
1SAP HYPERTHERMOPHILE PROTEIN, RELAXATION MATRIX REFINEMENT STRUCTURE Deposited 1995-04-25 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–65（65 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR mmCIF provides none of the parsed conditions Resolution not provided
1WD0 Crystal structures of the hyperthermophilic chromosomal protein Sac7d in complex with DNA decamers Deposited 2004-05-10 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric（3） Consistent with all polymers
Chain A 0–65（66 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；Tris-HCl, PEG400, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.90 Å R-free 0.257
1WD1 Crystal structures of the hyperthermophilic chromosomal protein Sac7d in complex with DNA decamers Deposited 2004-05-10 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric（3） Consistent with all polymers
Chain A 0–65（66 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4；298 K；potassium phosphate, PEG8000, pH 4, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.20 Å R-free 0.290
1WTO Hyperthermophile chromosomal protein SAC7D double mutant V26F/M29F in complex with DNA GCGATCGC Deposited 2004-11-29 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric（3） Consistent with all polymers
Chain A 0–65（66 aa）
Mutation：V26F/M29F No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；298 K；PEG 400, Tris buffer, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K
Resolution 1.50 Å R-free 0.231
1WTP Hyperthermophile chromosomal protein SAC7D single mutant M29F in complex with DNA GCGA(UBr)CGC Deposited 2004-11-29 Assembly 1 Protein–DNA Homooligomer；Protein × 2 PDB declaration: hexameric（6） Consistent with all polymers
Chain A 0–65（66 aa）
Chain B 0–65（66 aa）
Mutation：M29F Mutation：M29F No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；298 K；PEG 400, Tris buffer, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K
Resolution 1.90 Å R-free 0.287
1WTQ Hyperthermophile chromosomal protein SAC7D single mutant M29F in complex with DNA GTAATTAC Deposited 2004-11-29 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric（3） Consistent with all polymers
Chain A 0–65（66 aa）
Mutation：M29F No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；298 K；PEG 400, Tris buffer, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K
Resolution 1.70 Å R-free 0.225
1WTR Hyperthermophile chromosomal protein SAC7D single mutant M29A in complex with DNA GCGATCGC Deposited 2004-11-29 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric（3） Consistent with all polymers
Chain A 0–65（66 aa）
Mutation：M29A No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；298 K；PEG 400, Tris buffer , pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K
Resolution 1.80 Å R-free 0.274
1WTV Hyperthermophile chromosomal protein SAC7D single mutant M29A in complex with DNA GTAATTAC Deposited 2004-11-29 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric（3） Consistent with all polymers
Chain A 0–65（66 aa）
Mutation：M29A No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；298 K；PEG 400, Tris buffer , pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K
Resolution 1.60 Å R-free 0.238
1WTW Hyperthermophile chromosomal protein SAC7D single mutant V26A in complex with DNA GCGATCGC Deposited 2004-11-29 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric（3） Consistent with all polymers
Chain A 0–65（66 aa）
Mutation：V26A No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；298 K；PEG 400, Tris buffer, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K
Resolution 2.20 Å R-free 0.286
1WTX Hyperthermophile chromosomal protein SAC7D single mutant V26A in complex with DNA GTAATTAC Deposited 2004-11-29 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric（3） Consistent with all polymers
Chain A 0–65（66 aa）
Mutation：V26A No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；298 K；PEG 400, Tris buffer, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K
Resolution 2.20 Å R-free 0.253
1WVL Crystal Structure of Multimeric DNA-binding Protein Sac7d-GCN4 with DNA decamer Deposited 2004-12-16 Assembly 1 Protein–DNA Homooligomer；Protein × 4 PDB declaration: octameric（8） Consistent with all polymers
Chain not uniquely mapped Reference range not declared
Chain A 0–65（66 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；1.6M Tri-Sodium Citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.60 Å R-free 0.269
1XX8 NMR Structure of the W24A Mutant of the Hyperthermophile Sac7d Protein Deposited 2004-11-04 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 0–65（66 aa）
Mutation：W24A No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 4.5；303 K；Pressure ambient
NMR sample composition 5 mM Sac7d, 90% H2O, 10% D2O | 90% H2O/10% D2O
Resolution not provided
1XYI Hyperthermophile chromosomal protein Sac7d double mutant Val26Ala/Met29Ala in complex with DNA GCGATCGC Deposited 2004-11-10 Assembly 1 Protein–DNA Monomer；Protein × 1 PDB declaration: trimeric（3） Consistent with all polymers
Chain A 0–65（66 aa）
Mutation：V26A, M29A No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.4；298 K；Tris, PEG400, pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 1.45 Å R-free 0.255
2XIW Crystal structure of the Sac7d-derived IgG1-binder C3-C24S Deposited 2010-07-01 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 2–66（65 aa）
Chain B 2–66（65 aa）
Mutation：YES Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：YES Non-standard monomer：Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 4 CL CHLORIDE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions 3.5 M (NH4)2SO4
Resolution 1.50 Å R-free 0.191
8CMN 18mer DNA mimic Foldamer with an aliphatic linker in complex with Sac7d wild protein Deposited 2023-02-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: monomeric（1） Review required
Chain AA 1–66（66 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；293.15 K；10% PEG 400, 0.1 M MES pH 6.0
Resolution 2.65 Å R-free 0.297
8Q2M 18mer DNA mimic Foldamer with an Aliphatic linker in complex with Sac7d V26A/M29A protein Deposited 2023-08-02 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain AA 1–66（66 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；293 K；9 % PEG 400, 0.1 M MES pH 6.0
Resolution 3.21 Å R-free 0.335
8QPC 18mer DNA mimic Foldamer with an Aromatic linker in complex with Sac7d V26A/M29A protein Deposited 2023-10-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: monomeric（1） Review required
Chain AA 1–66（66 aa）
Mutation：V26A/M29A No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；293.15 K；10 % PEG 400, 0.1 M MES pH 6.0
Resolution 3.24 Å R-free 0.348
9HIZ Complex of the Nanofitin Sac7d-C3(C24A) with a human IgG1 Fc fragment Deposited 2024-11-27 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain R 2–66（65 aa）
Chain S 2–66（65 aa）
Chain T 2–66（65 aa）
Chain U 2–66（65 aa）
Mutation：K7L,Y8L,K9N,K21R,K22D,W24A,V26Q,M29N,S31K,T33L,D35N,T40Y,R42A,A44N,S46D Mutation：K7L,Y8L,K9N,K21R,K22D,W24A,V26Q,M29N,S31K,T33L,D35N,T40Y,R42A,A44N,S46D Mutation：K7L,Y8L,K9N,K21R,K22D,W24A,V26Q,M29N,S31K,T33L,D35N,T40Y,R42A,A44N,S46D Mutation：K7L,Y8L,K9N,K21R,K22D,W24A,V26Q,M29N,S31K,T33L,D35N,T40Y,R42A,A44N,S46D No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；293 K；24 % (w/v) PEG8000, 0.1 M Tris/HCl pH 8.5
Resolution 2.90 Å R-free 0.279
9QT7 Crystal structure of affitin C10 fused to a coiled-coil domain in complex with a quinoline oligoamide foldamer Deposited 2025-04-08 Assembly 1 Insufficient information Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 2–65（64 aa）
Chain B 2–65（64 aa）
Chain C 2–65（64 aa）
Chain D 2–65（64 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；20% PEG 400 0.1M Sodium cacodylate pH 6.5
Resolution 2.80 Å R-free 0.296
9QT7 Crystal structure of affitin C10 fused to a coiled-coil domain in complex with a quinoline oligoamide foldamer Deposited 2025-04-08 Assembly 2 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 2–65（64 aa）
Chain D 2–65（64 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；20% PEG 400 0.1M Sodium cacodylate pH 6.5
Resolution 2.80 Å R-free 0.296
9QT7 Crystal structure of affitin C10 fused to a coiled-coil domain in complex with a quinoline oligoamide foldamer Deposited 2025-04-08 Assembly 3 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 2–65（64 aa）
Chain C 2–65（64 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；20% PEG 400 0.1M Sodium cacodylate pH 6.5
Resolution 2.80 Å R-free 0.296

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.