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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：P26639 New Search
5PDB entries
7Biological assembly
12chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion Different experimental method 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
1WWT Solution structure of the TGS domain from human threonyl-tRNA synthetase Deposited 2005-01-18 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 67–141（75 aa） Fragment：TGS domain
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7；296 K；Ionic strength (raw mmCIF value) 120mM；Pressure ambient
NMR sample composition 1.20mM TGS domain U-15N,13C; 20mM d-tris-HCl(pH 7.0); 100mM NaCl; 1mM d-DTT; 0.02% NaN3; 10% D2O | 90% H2O/10% D2O
Resolution not provided
4HWT Crystal structure of human Threonyl-tRNA synthetase bound to a novel inhibitor Deposited 2012-11-08 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 321–723（403 aa） Fragment：UNP residues 321-723
Chain B 321–723（403 aa） Fragment：UNP residues 321-723
Not recorded ZN ZINC ION × 2 1B2 N-{[3-(2H-indazol-5-yl)phenyl]sulfonyl}-L-threoninamide × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.9；298 K；PEG 3350, sodium citrate, pH 7.9, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.30 Å R-free 0.257
4P3N Structural Basis for Full-Spectrum Inhibition of Threonyl-tRNA Synthetase by Borrelidin 1 Deposited 2014-03-09 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 322–723（402 aa） Fragment：UNP residues 322-723
Chain B 322–723（402 aa） Fragment：UNP residues 322-723
Not recorded 2CR (1R,2R)-2-[(2S,4E,6E,8R,9S,11R,13S,15S,16S)-7-cyano-8,16-dihydroxy-9,11,13,15-tetramethyl-18-oxooxacyclooctadeca-4,6-dien-2-yl]cyclopentanecarboxylic acid × 2 ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291 K；Calcium Acetate, PEG4000, Sodium Acetate
Resolution 2.60 Å R-free 0.255
4P3N Structural Basis for Full-Spectrum Inhibition of Threonyl-tRNA Synthetase by Borrelidin 1 Deposited 2014-03-09 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 322–723（402 aa） Fragment：UNP residues 322-723
Chain D 322–723（402 aa） Fragment：UNP residues 322-723
Not recorded 2CR (1R,2R)-2-[(2S,4E,6E,8R,9S,11R,13S,15S,16S)-7-cyano-8,16-dihydroxy-9,11,13,15-tetramethyl-18-oxooxacyclooctadeca-4,6-dien-2-yl]cyclopentanecarboxylic acid × 2 ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291 K；Calcium Acetate, PEG4000, Sodium Acetate
Resolution 2.60 Å R-free 0.255
4TTV Crystal structure of human ThrRS complexing with a bioengineered macrolide BC194 Deposited 2014-06-23 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 322–723（402 aa） Fragment：UNP residues 322-723
Chain B 322–723（402 aa） Fragment：UNP residues 322-723
Not recorded BC9 (1R,2R)-2-[(2S,6E,8R,9S,11R,13S,15S,16S)-7-cyano-8,16-dihydroxy-9,11,13,15-tetramethyl-18-oxooxacyclooctadec-6-en-2-yl]cyclobutanecarboxylic acid × 2 ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；291 K；Tris, PEG8000
Resolution 2.80 Å R-free 0.288
4TTV Crystal structure of human ThrRS complexing with a bioengineered macrolide BC194 Deposited 2014-06-23 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 322–723（402 aa） Fragment：UNP residues 322-723
Chain D 322–723（402 aa） Fragment：UNP residues 322-723
Not recorded BC9 (1R,2R)-2-[(2S,6E,8R,9S,11R,13S,15S,16S)-7-cyano-8,16-dihydroxy-9,11,13,15-tetramethyl-18-oxooxacyclooctadec-6-en-2-yl]cyclobutanecarboxylic acid × 2 ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；291 K；Tris, PEG8000
Resolution 2.80 Å R-free 0.288
5XLN Crystal structure of the TRS_UNE-T and 4EHP complex Deposited 2017-05-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 30–74（45 aa） Fragment：UNP residues 30-74
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 9.5；295 K；20% PEG 8000, 0.1 M CHES (pH 9.5)
Resolution 1.90 Å R-free 0.196

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.