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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：P00933 New Search
7PDB entries
7Biological assembly
7chain/assembly records
Main Difference Dimensions in This Set
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
1A5S CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN SYNTHASE COMPLEXED WITH 5-FLUOROINDOLE PROPANOL PHOSPHATE AND L-SER BOUND AS AMINO ACRYLATE TO THE BETA SITE Deposited 1998-02-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–396（396 aa）
Not recorded FIP 5-FLUOROINDOLE PROPANOL PHOSPHATE × 2 NA SODIUM ION × 2 PLP PYRIDOXAL-5'-PHOSPHATE × 2 SER SERINE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.8；pH 7.8
Resolution 2.30 Å R-free 0.247
1QOP CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN SYNTHASE COMPLEXED WITH INDOLE PROPANOL PHOSPHATE Deposited 1999-11-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–396（396 aa）
Not recorded IPL INDOLE-3-PROPANOL PHOSPHATE × 2 PLP PYRIDOXAL-5'-PHOSPHATE × 2 NA SODIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.8；ENZYME SOLUTION: 10 MG/ML TRPS IN 50 MM BICINE PH 7.8, 1 MM EDTA, 5 MM DITHIOERYTHRITOL, 20 MUM PYRIDOXAL-5'-PHOSPHATE. RESERVOIR SOLUTION: 50 MM BICINE PH 7.8, 5 MM EDTA, 5 MM DITHIOERYTHRITOL, 0.1 MM PYRIDOXAL-5'-PHOSPHATE, 2 MM SPERMINE, 8-12 % PEG 8000. HANGING DROP GEOMETRY, CRYSTALLIZATION DROP CONSISTED AN INITIAL INDOLE PROPANOLE PHOSPHATE (IPL) CONCENTRATION OF 7 MM
Resolution 1.40 Å R-free 0.177
1TJP Crystal Structure Of Wild-Type Tryptophan Synthase Complexed With 1-[(2-hydroxylphenyl)amino]3-glycerolphosphate Deposited 2004-06-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–396（396 aa）
Not recorded HPF 1-[(2-HYDROXYLPHENYL)AMINO]3-GLYCEROLPHOSPHATE × 2 NA SODIUM ION × 2 PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.8；296 K；BICINE, EDTA, DITHIOERYTHRITOL, PYRIDOXAL-5'-PHOSPHATE, SPERMINE, PEG 8000, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 296K
Resolution 1.50 Å R-free 0.193
1TTP TRYPTOPHAN SYNTHASE (E.C.4.2.1.20) IN THE PRESENCE OF CESIUM, ROOM TEMPERATURE Deposited 1995-10-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–396（396 aa）
Not recorded CS CESIUM ION × 4 PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.30 Å R-free 0.302
1TTQ TRYPTOPHAN SYNTHASE (E.C.4.2.1.20) IN THE PRESENCE OF POTASSIUM AT ROOM TEMPERATURE Deposited 1995-10-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–396（396 aa）
Not recorded K POTASSIUM ION × 2 PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å R-free 0.285
1UBS TRYPTOPHAN SYNTHASE (E.C.4.2.1.20) WITH A MUTATION OF LYS 87->THR IN THE B SUBUNIT AND IN THE PRESENCE OF LIGAND L-SERINE Deposited 1995-12-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–396（396 aa）
Mutation：CHAIN B, K87T NA SODIUM ION × 2 SER SERINE × 2 PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.8；pH 7.8
Resolution 1.90 Å
1WBJ wildtype tryptophan synthase complexed with glycerol phosphate Deposited 2004-11-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–396（396 aa）
Not recorded G3P SN-GLYCEROL-3-PHOSPHATE × 2 PLP PYRIDOXAL-5'-PHOSPHATE × 2 NA SODIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.8；293 K；10 MG/ML PROTEIN, RESERVOIR:50 MM TRIS-BIS-PROPANE PH 7.8, 100 MM NACL, 12% PEG8000, 50 MM GLYCEROL PHOSPHATE, 1.5 MM SPERMIDINE, 20 DEG, HANGING DROP IN THE DARK
Resolution 1.50 Å R-free 0.202

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.