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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：P28796 New Search
10PDB entries
10Biological assembly
40chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification 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
1AX4 TRYPTOPHANASE FROM PROTEUS VULGARIS Deposited 1997-10-28 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–467（467 aa）
Chain B 1–467（467 aa）
Chain C 1–467（467 aa）
Chain D 1–467（467 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) K POTASSIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.8；27 % PEG 4000, 0.1 M POTASSIUM PHOSPHATE BUFFER PH 7.8, 0.25 MM PYRIDOXAL 5'-PHOSPHATE, 5MM DTT, 0.1 M CSCL.
Resolution 2.10 Å R-free 0.227
5W19 Tryptophan indole-lyase complex with oxindolyl-L-alanine Deposited 2017-06-02 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–467（467 aa）
Chain B 1–467（467 aa）
Chain C 1–467（467 aa）
Chain D 1–467（467 aa）
Not recorded K POTASSIUM ION × 4 9TD 1-carboxy-1-{[(E)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]azaniumyl}-2-[(3R)-2-oxo-2,3-dihydro-1H-indol-3-yl]ethan-1-ide × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；293 K；35 mM potassium phosphate, 0.05 M HEPES, 0.3 M KCl, 11% PEG 4000
Resolution 2.10 Å R-free 0.244
5W1B Tryptophan indole-lyase Deposited 2017-06-02 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–467（467 aa）
Chain B 1–467（467 aa）
Chain C 1–467（467 aa）
Chain D 1–467（467 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) K POTASSIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；293 K；35 mM potassium phosphate, 0.05 M HEPES, 0.3 M KCl, 11% PEG 4000
Resolution 2.00 Å R-free 0.252
8V2K Proteus vulgaris tryptophan indole-lyase complexed with L-alanine Deposited 2023-11-22 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–467（467 aa）
Chain B 1–467（467 aa）
Chain C 1–467（467 aa）
Chain D 1–467（467 aa）
Not recorded K POTASSIUM ION × 4 F0G (E)-N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)-L-alanine × 2 DMS DIMETHYL SULFOXIDE × 2 PLI (2E)-2-{[(Z)-{3-HYDROXY-2-METHYL-5-[(PHOSPHONOOXY)METHYL]PYRIDIN-4(1H)-YLIDENE}METHYL]IMINO}PROPANOIC ACID × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；295 K；0.1 M potassium phosphate, pH 8.0, 0.1 mM pyrodoxal-5'-phosphate, 1 mM DTT, 0.2 M CsCl, 22% PEG 4000
Resolution 1.81 Å R-free 0.231
8V4A Proteus vulgaris tryptophan indole-lyase complexed with L-ethionine Deposited 2023-11-28 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–467（467 aa）
Chain B 1–467（467 aa）
Chain C 1–467（467 aa）
Chain D 1–467（467 aa）
Not recorded K POTASSIUM ION × 4 YAE (E)-S-ethyl-N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)-L-homocysteine × 2 YAR (2E)-4-(ethylsulfanyl)-2-{[(Z)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4(1H)-ylidene}methyl]imino}butanoic acid × 2 DMS DIMETHYL SULFOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；295 K；0.1 M Potassium phosphate, pH 8.0, 0.1 mM PLP, 1 mM DTT, 0.2 M CsCl, 22% PEG 4000
Resolution 1.96 Å R-free 0.224
8V6P Proteus vulgaris tryptophan indole-lyase complexed with 7-aza-L-tryptophan Deposited 2023-12-02 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–467（467 aa）
Chain B 1–467（467 aa）
Chain C 1–467（467 aa）
Chain D 1–467（467 aa）
Not recorded K POTASSIUM ION × 2 A1ACN (E)-N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)-3-(1H-pyrrolo[2,3-b]pyridin-3-yl)-L-alanine × 2 DMS DIMETHYL SULFOXIDE × 1 A1ABZ (2E)-2-{[(Z)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4(1H)-ylidene}methyl]imino}-3-(1H-pyrrolo[2,3-b]pyridin-3-yl)propanoic acid × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；295 K；0.1 M potassium phosphate, pH 8.0, 1 mM DTT, 0.1 mM PLP, 0.2 M CsCl, 22% PEG 4000
Resolution 1.74 Å R-free 0.228
8V9P Proteus vulgaris tryptophan indole-lyase complexed with (3S)-dioxindolyl-L-alanine Deposited 2023-12-08 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–467（467 aa）
Chain B 1–467（467 aa）
Chain C 1–467（467 aa）
Chain D 1–467（467 aa）
Not recorded K POTASSIUM ION × 4 YQK (2~{E})-2-[(~{Z})-[2-methyl-3-oxidanyl-5-[[oxidanyl-bis(oxidanylidene)-$l^{6}-phosphanyl]oxymethyl]-1~{H}-pyridin-4-ylidene]methyl]imino-3-[(3~{S})-3-oxidanyl-2-oxidanylidene-1~{H}-indol-3-yl]propanoic acid × 4 DMS DIMETHYL SULFOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；295 K；0.1 M potassium phosphate, pH 8.0, 1 mM DTT, 0.1 mM PLP, 22% PEG 4000, 0.2 M CsCl
Resolution 1.85 Å R-free 0.247
9BLV Proteus vulgaris tryptophan indole-lyase complexed with L-Trp and benzimidazole Deposited 2024-05-01 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–467（467 aa）
Chain B 1–467（467 aa）
Chain C 1–467（467 aa）
Chain D 1–467（467 aa）
Not recorded K POTASSIUM ION × 4 BZI BENZIMIDAZOLE × 2 0JO 2-{[(E)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}prop-2-enoic acid × 2 DMS DIMETHYL SULFOXIDE × 2 PLT [3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDIN-4-YLMETHYL]-L-TRYPTOPHANE × 1 A1A2Z N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methyl)-L-tryptophan × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M potassium phosphate, pH 8, 0.2 M CsCl, 22% PEG 4000
Resolution 1.78 Å R-free 0.247
9BNJ Proteus vulgaris tryptophan indole-lyase aminoacrylate complex with benzimidazole Deposited 2024-05-02 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–467（467 aa）
Chain B 1–467（467 aa）
Chain C 1–467（467 aa）
Chain D 1–467（467 aa）
Not recorded K POTASSIUM ION × 4 BZI BENZIMIDAZOLE × 5 DMS DIMETHYL SULFOXIDE × 1 0JO 2-{[(E)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene]amino}prop-2-enoic acid × 4 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M potassium phosphate, pH 8.0, 1 mM DTT, 0.1 mM PLP, 0.2 M KCl, 22% PEG 4000
Resolution 1.51 Å R-free 0.180
9DY7 Proteus vulgaris tryptophan indole-lyase complexed with L-ethionine and Na+ Deposited 2024-10-13 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 2–467（466 aa）
Chain B 2–467（466 aa）
Chain C 2–467（466 aa）
Chain D 2–467（466 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) DMS DIMETHYL SULFOXIDE × 4 EDO 1,2-ETHANEDIOL × 2 ESC 2-AMINO-4-ETHYL SULFANYL BUTYRIC ACID × 2 NA SODIUM ION × 4 YAR (2E)-4-(ethylsulfanyl)-2-{[(Z)-{3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4(1H)-ylidene}methyl]imino}butanoic acid × 1 YAE (E)-S-ethyl-N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)-L-homocysteine × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M potassium phosphate, pH 8.0, 1 mM DTT, 0.1 mM PLP, 0.2 M KCl, 22% PEG 4000
Resolution 1.87 Å R-free 0.185

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.