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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：Q52428 New Search
4PDB entries
4Biological assembly
8chain/assembly records
Main Difference Dimensions in This Set
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
1B8A ASPARTYL-TRNA SYNTHETASE Deposited 1999-01-27 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–438（438 aa）
Chain B 1–438（438 aa）
Not recorded MN MANGANESE (II) ION × 6 ATP ADENOSINE-5'-TRIPHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；pH 7.5
Resolution 1.90 Å R-free 0.202
3NEL Aspartyl-tRNA synthetase complexed with aspartic acid Deposited 2010-06-09 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–438（438 aa）
Chain B 1–438（438 aa）
Not recorded ASP ASPARTIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；297 K；peg and ethylen glycol, VAPOR DIFFUSION, HANGING DROP, temperature 297K
Resolution 1.95 Å R-free 0.236
3NEM Aspartyl-tRNA synthetase complexed with aspartyl adenylate Deposited 2010-06-09 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–438（438 aa）
Chain B 1–438（438 aa）
Not recorded AMO ASPARTYL-ADENOSINE-5'-MONOPHOSPHATE × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions 297 K；peg and ethylene glycol, VAPOR DIFFUSION, HANGING DROP, temperature 297K
Resolution 1.89 Å R-free 0.213
3NEN Unliganded aspartyl-tRNA synthetase from thermococcus kodakarensis Deposited 2010-06-09 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–438（438 aa）
Chain B 1–438（438 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions 297 K；peg and ethylen glycol, VAPOR DIFFUSION, HANGING DROP, temperature 297K
Resolution 2.40 Å R-free 0.265

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.