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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：P27002 New Search
9PDB entries
9Biological assembly
9chain/assembly records
Main Difference Dimensions in This Set
Different mutation/modification Different assembly state 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
1B70 PHENYLALANYL TRNA SYNTHETASE COMPLEXED WITH PHENYLALANINE Deposited 1999-01-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–785（785 aa） Fragment：BETA SUBUNIT
Not recorded MG MAGNESIUM ION × 2 PHE PHENYLALANINE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；313 K；CRYSTALS WERE GROWN BY THE HANGING-DROP TECHNIQUE AT 4O C WITH AMMONIUM SULFATE AS PRECIPITANT. EACH DROPLET OF THE PHENYLALANYL-TRNA SYNTHETASE SOLUTION (10 M L) AT A PROTEIN CONCENTRTION OF 3 TO 5 MG PER ML IN 20 AMM IMIDASOL-HCL BUFFER (PH 7.8), 1 MM MGCL2, 1 MM NAN3 AND 15% SATURATED AMMONIUM SULFATE WAS EQUILIBRATED WITH 1 ML 25 TO 30% SATURATED AMMONIUM SULFATE IN THE SAME BUFFER. CRYSTALS APPEARED AFTER ONE TO TWO WEEKS AND GREW UP TO MAXIMAL DIMENSIONS (0.4MMX0.4MMX0.25 MM) IN A FEW WEEKS., pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 313K
Resolution 2.70 Å R-free 0.256
1B7Y PHENYLALANYL TRNA SYNTHETASE COMPLEXED WITH PHENYLALANINYL-ADENYLATE Deposited 1999-01-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–785（785 aa）
Not recorded MG MAGNESIUM ION × 2 FYA ADENOSINE-5'-[PHENYLALANINOL-PHOSPHATE] × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；313 K；HANGING-DROP TECHNIQUE AT 4O C WITH (NH4)2SO4 AS PRECIPITANT. EACH DROPLET OF THE PHENYLALANYL-TRNA SYNTHETASE SOLUTION (10 microliters) AT PROTEIN CONCENTRATION OF 3 TO 5 MG PER ML IN 20 MM IMIDASOL-HCL BUFFER (PH 7.8), 1 MM MGCL2, 1 MM NAN3 AND 15% SATURATED (NH4)2SO4 IN THE SAME BUFFER. CRYSTALS APPEARED AFTER ONE TO TWO WEEKS AND GREW UP TO THE MAXIMAL DIMENSIONS OF 0.4X0.4X0.25 MM IN A FEW WEEKS, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 313K
Resolution 2.50 Å R-free 0.267
2AKW Crystal Structure of T.Thermophilus Phenylalanyl-tRNA synthetase complexed with p-Cl-Phenylalanine Deposited 2005-08-04 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–785（785 aa）
Not recorded MN MANGANESE (II) ION × 2 200 4-CHLORO-L-PHENYLALANINE × 2 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；277 K；20mM Imidazole-HCl (pH 7.2), 27% (NH4)2SO4, 1mM MgCl2, 1mM NaN3, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.80 Å R-free 0.234
2ALY Crystal Structure of T.Thermophilus Phenylalanyl-tRNA synthetase complexed with 5'-O-[N-(L-tyrosyl)sulphamoyl]adenosine Deposited 2005-08-04 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–785（785 aa）
Not recorded MN MANGANESE (II) ION × 2 YSA 5'-O-[N-(L-TYROSYL)SULFAMOYL]ADENOSINE × 2 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；277 K；20mM Imidazole-HCl (pH 7.2), 27% (NH4)2SO4, 1mM MgCl2, 1mM NaN3, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.60 Å R-free 0.246
2AMC Crystal structure of Phenylalanyl-tRNA synthetase complexed with L-tyrosine Deposited 2005-08-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–785（785 aa）
Not recorded MG MAGNESIUM ION × 2 TYR TYROSINE × 4 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；277 K；20 mM Imidazole-HCl, pH 7.2, 27% (NH4)2SO4, 1mM MgCl2, 1mM NaN3, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.70 Å R-free 0.255
2IY5 PHENYLALANYL-TRNA SYNTHETASE FROM THERMUS THERMOPHILUS complexed with tRNA and a phenylalanyl-adenylate analog Deposited 2006-07-12 Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: hexameric（6） Consistent with all polymers
Chain B 1–785（785 aa）
Not recorded FYA ADENOSINE-5'-[PHENYLALANINOL-PHOSPHATE] × 2 MG MAGNESIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.8；277 K；20 MM IMIDAZOLE-HCL, PH 7.8, 1 MM MGCL2, 5 MM 2-MERCAPTOETHANOL AND 1 MM NAN3
Resolution 3.10 Å R-free 0.299
3HFZ Crystal structure of Thermus thermophilus Phenylalanyl-tRNA synthetase complexed with m-tyrosine Deposited 2009-05-13 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–785（785 aa）
Not recorded MTY META-TYROSINE × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.8；292 K；30% (NH4)2SO4, 0.02M IMIDAZOLE-HCL, 0.001M magnesium chloride, m-tyrosine, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 292K
Resolution 2.90 Å R-free 0.282
3TEH Crystal structure of Thermus thermophilus Phenylalanyl-tRNA synthetase complexed with L-dopa Deposited 2011-08-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–785（785 aa）
Not recorded DAH 3,4-DIHYDROXYPHENYLALANINE × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.8；292 K；30% (NH4)2SO4, 0.02M IMIDAZOLE-HCL, 0.001M magnesium chloride, L-dopa, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 292K
Resolution 2.85 Å R-free 0.297
4TVA Universal Pathway for Post-Transfer Editing Reactions: Insight from Crystal structure of TthPheRS with Puromycine Deposited 2014-06-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–785（785 aa）
Not recorded PHE PHENYLALANINE × 2 PUY PUROMYCIN × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.7；277 K；PROTEIN WAS CRYSTALLIZED FROM AMMONIUM SULFATE 28% OF SATURATION, 20 MM IMIDAZOLE, PH 7.7, 10 MM MGCL2, 1 MM NAN3
Resolution 2.60 Å R-free 0.258

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.