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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：Q56257 New Search
2PDB entries
8Biological assembly
16chain/assembly records
Main Difference Dimensions in This Set
Different ligand/ion 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
1C7N CRYSTAL STRUCTURE OF CYSTALYSIN FROM TREPONEMA DENTICOLA CONTAINS A PYRIDOXAL 5'-PHOSPHATE COFACTOR Deposited 2000-03-16 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–399（399 aa）
Chain B 1–399（399 aa）
Not recorded PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；PEG 4000, magnesium acetate, MES, pH 6.5, vapor diffusion/sitting drop, temperature 293.0K
Resolution 1.90 Å R-free 0.247
1C7N CRYSTAL STRUCTURE OF CYSTALYSIN FROM TREPONEMA DENTICOLA CONTAINS A PYRIDOXAL 5'-PHOSPHATE COFACTOR Deposited 2000-03-16 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–399（399 aa）
Chain D 1–399（399 aa）
Not recorded PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；PEG 4000, magnesium acetate, MES, pH 6.5, vapor diffusion/sitting drop, temperature 293.0K
Resolution 1.90 Å R-free 0.247
1C7N CRYSTAL STRUCTURE OF CYSTALYSIN FROM TREPONEMA DENTICOLA CONTAINS A PYRIDOXAL 5'-PHOSPHATE COFACTOR Deposited 2000-03-16 Assembly 3 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 1–399（399 aa）
Chain F 1–399（399 aa）
Not recorded PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；PEG 4000, magnesium acetate, MES, pH 6.5, vapor diffusion/sitting drop, temperature 293.0K
Resolution 1.90 Å R-free 0.247
1C7N CRYSTAL STRUCTURE OF CYSTALYSIN FROM TREPONEMA DENTICOLA CONTAINS A PYRIDOXAL 5'-PHOSPHATE COFACTOR Deposited 2000-03-16 Assembly 4 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain G 1–399（399 aa）
Chain H 1–399（399 aa）
Not recorded PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；PEG 4000, magnesium acetate, MES, pH 6.5, vapor diffusion/sitting drop, temperature 293.0K
Resolution 1.90 Å R-free 0.247
1C7O CRYSTAL STRUCTURE OF CYSTALYSIN FROM TREPONEMA DENTICOLA CONTAINS A PYRIDOXAL 5'-PHOSPHATE-L-AMINOETHOXYVINYLGLYCINE COMPLEX Deposited 2000-03-16 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–399（399 aa）
Chain B 1–399（399 aa）
Not recorded PPG (2E,3E)-4-(2-aminoethoxy)-2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)imino]but-3-enoic acid × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；PEG 4000, magnesium acetate, MES, pH 6.5, VAPOR DIFFUSION/SITTING DROP, temperature 293.0K
Resolution 2.50 Å R-free 0.260
1C7O CRYSTAL STRUCTURE OF CYSTALYSIN FROM TREPONEMA DENTICOLA CONTAINS A PYRIDOXAL 5'-PHOSPHATE-L-AMINOETHOXYVINYLGLYCINE COMPLEX Deposited 2000-03-16 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–399（399 aa）
Chain D 1–399（399 aa）
Not recorded PPG (2E,3E)-4-(2-aminoethoxy)-2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)imino]but-3-enoic acid × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；PEG 4000, magnesium acetate, MES, pH 6.5, VAPOR DIFFUSION/SITTING DROP, temperature 293.0K
Resolution 2.50 Å R-free 0.260
1C7O CRYSTAL STRUCTURE OF CYSTALYSIN FROM TREPONEMA DENTICOLA CONTAINS A PYRIDOXAL 5'-PHOSPHATE-L-AMINOETHOXYVINYLGLYCINE COMPLEX Deposited 2000-03-16 Assembly 3 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 1–399（399 aa）
Chain F 1–399（399 aa）
Not recorded PPG (2E,3E)-4-(2-aminoethoxy)-2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)imino]but-3-enoic acid × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；PEG 4000, magnesium acetate, MES, pH 6.5, VAPOR DIFFUSION/SITTING DROP, temperature 293.0K
Resolution 2.50 Å R-free 0.260
1C7O CRYSTAL STRUCTURE OF CYSTALYSIN FROM TREPONEMA DENTICOLA CONTAINS A PYRIDOXAL 5'-PHOSPHATE-L-AMINOETHOXYVINYLGLYCINE COMPLEX Deposited 2000-03-16 Assembly 4 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain G 1–399（399 aa）
Chain H 1–399（399 aa）
Not recorded PPG (2E,3E)-4-(2-aminoethoxy)-2-[({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)imino]but-3-enoic acid × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；PEG 4000, magnesium acetate, MES, pH 6.5, VAPOR DIFFUSION/SITTING DROP, temperature 293.0K
Resolution 2.50 Å R-free 0.260

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.