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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：Q53654 New Search
5PDB entries
7Biological assembly
13chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state 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
1AMX COLLAGEN-BINDING DOMAIN FROM A STAPHYLOCOCCUS AUREUS ADHESIN Deposited 1997-06-19 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 151–318（168 aa） Fragment：CBD (151 - 318)
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.7；pH 6.7
Resolution 2.00 Å R-free 0.249
1D2O CRYSTAL STRUCTURE OF A SINGLE B REPEAT UNIT (B1) OF COLLAGEN BINDING SURFACE PROTEIN (CNA) OF STAPHYLOCOCCUS AUREUS. Deposited 1999-09-25 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 533–719（187 aa） Fragment：SINGLE B REPEAT UNIT
Chain B 533–719（187 aa） Fragment：SINGLE B REPEAT UNIT
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.6；298 K；Ammonium sulfate, Succinic acid buffer, BOG , pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.00 Å R-free 0.256
1D2P CRYSTAL STRUCTURE OF TWO B REPEAT UNITS (B1B2) OF THE COLLAGEN BINDING PROTEIN (CNA) OF STAPHYLOCOCCUS AUREUS Deposited 1999-09-25 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 533–905（373 aa） Fragment：B REPEAT REGIONS
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；298 K；PEG6000, Calcium chloride, sodium cacodylate , pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.50 Å R-free 0.245
2F68 Crystal structure of collagen adhesin (CNA) from S. aureus Deposited 2005-11-28 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain X 30–334（305 aa） Fragment：Extracellular domain
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；295 K；3.2 M Ammonium Sulfate, 0.1 M NaCl, 0.05 M Hepes, PH. 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 1.95 Å R-free 0.253
2F6A Collagen Adhesin and Collagen Complex Structure Deposited 2005-11-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 30–330（301 aa） Fragment：extracellular domain
Chain C 30–330（301 aa） Fragment：extracellular domain
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.35；295 K；0.8 M ammonium sulfate, 0.5 M sodium acetate, PH 6.5, pH 7.35, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 3.29 Å R-free 0.308
2F6A Collagen Adhesin and Collagen Complex Structure Deposited 2005-11-28 Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain B 30–330（301 aa） Fragment：extracellular domain
Chain D 30–330（301 aa） Fragment：extracellular domain
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.35；295 K；0.8 M ammonium sulfate, 0.5 M sodium acetate, PH 6.5, pH 7.35, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 3.29 Å R-free 0.308
2F6A Collagen Adhesin and Collagen Complex Structure Deposited 2005-11-28 Assembly 3 Protein heterocomplex Heteromer；Protein × 20 PDB declaration: eicosameric（20） Consistent with protein count
Chain A 30–330（301 aa） Fragment：extracellular domain
Chain B 30–330（301 aa） Fragment：extracellular domain
Chain C 30–330（301 aa） Fragment：extracellular domain
Chain D 30–330（301 aa） Fragment：extracellular domain
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.35；295 K；0.8 M ammonium sulfate, 0.5 M sodium acetate, PH 6.5, pH 7.35, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 3.29 Å R-free 0.308

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.