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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：Q9BQ15 New Search
6PDB entries
7Biological assembly
10chain/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
4OWT Structural basis of SOSS1 complex assembly Deposited 2014-02-03 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 1–211（211 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289.15 K；21% PEG2000 MME, 0.1M MES pH6.0, 0.05M sodium chloride
Resolution 2.00 Å R-free 0.195
4OWW Structural basis of SOSS1 in complex with a 35nt ssDNA Deposited 2014-02-04 Assembly 1 Protein–DNA Heteromer；Protein × 3 PDB declaration: tetrameric（4） Consistent with all polymers
Chain B 1–211（211 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；20% PEG2000 MME, 0.1M MES pH6.0, 0.05M sodium chloride.
Resolution 2.30 Å R-free 0.218
4OWX Structural basis of SOSS1 in complex with a 12nt ssDNA Deposited 2014-02-04 Assembly 1 Protein–DNA Heteromer；Protein × 2 PDB declaration: trimeric（3） Consistent with all polymers
Chain B 1–211（211 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；16% PEG3350, 0.1M MES pH6.0, 0.1M ammonium formate
Resolution 2.30 Å R-free 0.226
5D8E crystal structure of SSB from homo sapiens Deposited 2015-08-17 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–109（109 aa） Fragment：UNP residues 1-109
Chain D 1–109（109 aa） Fragment：UNP residues 1-109
Mutation：L70M Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：L70M Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；293 K；0.1M MES pH 6.0, 16% Jeffamine M-600
Resolution 3.00 Å R-free 0.289
5D8E crystal structure of SSB from homo sapiens Deposited 2015-08-17 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–109（109 aa） Fragment：UNP residues 1-109
Chain C 1–109（109 aa） Fragment：UNP residues 1-109
Mutation：L70M Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：L70M Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；293 K；0.1M MES pH 6.0, 16% Jeffamine M-600
Resolution 3.00 Å R-free 0.289
5D8F crystal structure of SSB and ssDNA complex from homo sapiens Deposited 2015-08-17 Assembly 1 Protein–DNA Homooligomer；Protein × 2 PDB declaration: trimeric（3） Consistent with all polymers
Chain A 1–109（109 aa） Fragment：UNP residues 1-109
Chain B 1–109（109 aa） Fragment：UNP residues 1-109
Not recorded PEG DI(HYDROXYETHYL)ETHER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；293 K；0.1M MES pH 6.0, 16% Jeffamine M-600
Resolution 2.35 Å R-free 0.282
8RBZ Structure of Integrator-PP2A-SOSS-CTD post-termination complex Deposited 2023-12-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 21 PDB declaration: 21-meric（21） Consistent with protein count
Chain B 1–211（211 aa）
Not recorded ZN ZINC ION × 2 MN MANGANESE (II) ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 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.