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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：Q5SGX2 New Search
3PDB entries
3Biological assembly
3chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
1EIY THE CRYSTAL STRUCTURE OF PHENYLALANYL-TRNA SYNTHETASE FROM THERMUS THERMOPHILUS COMPLEXED WITH COGNATE TRNAPHE Deposited 2000-02-29 Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: hexameric（6） Consistent with all polymers
Chain B 1–785（785 aa） Fragment：BETA CHAIN
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；293 K；ammonium sulphate, magnesium sulphate, pH 7.2, VAPOR DIFFUSION, HANGING DROP at 293K
Resolution 3.30 Å R-free 0.287
1JJC Crystal structure at 2.6A resolution of phenylalanyl-tRNA synthetase complexed with phenylalanyl-adenylate in the presence of manganese Deposited 2001-07-04 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–350（350 aa） Fragment：ALPHA CHAIN
Not recorded FA5 ADENOSINE-5'-[PHENYLALANINYL-PHOSPHATE] × 2 MN MANGANESE (II) ION × 2 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.8；277 K；(NH4)2SO4, Imidazole-HCl, ATP, L-phenylalanine, MnSO4, pH 7.8, VAPOR DIFFUSION, HANGING DROP at 277K
Resolution 2.60 Å R-free 0.258
1PYS PHENYLALANYL-TRNA SYNTHETASE FROM THERMUS THERMOPHILUS Deposited 1996-11-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–350（350 aa）
Not recorded MG MAGNESIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions 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 AT 4 DEGREES CELSIUS, temperature 277K
Resolution 2.90 Å R-free 0.236

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.