← Back to search

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：P56194 New Search
3PDB entries
6Biological assembly
13chain/assembly records
Main Difference Dimensions in This Set
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
1ADJ HISTIDYL-TRNA SYNTHETASE IN COMPLEX WITH HISTIDINE Deposited 1997-02-18 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–421（421 aa）
Chain B 1–421（421 aa）
Not recorded SO4 SULFATE ION × 2 HIS HISTIDINE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；pH 7.0
Resolution 2.70 Å R-free 0.277
1ADJ HISTIDYL-TRNA SYNTHETASE IN COMPLEX WITH HISTIDINE Deposited 1997-02-18 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–421（421 aa）
Chain D 1–421（421 aa）
Not recorded SO4 SULFATE ION × 2 HIS HISTIDINE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；pH 7.0
Resolution 2.70 Å R-free 0.277
1ADJ HISTIDYL-TRNA SYNTHETASE IN COMPLEX WITH HISTIDINE Deposited 1997-02-18 Assembly 3 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–421（421 aa）
Chain B 1–421（421 aa）
Chain C 1–421（421 aa）
Chain D 1–421（421 aa）
Not recorded SO4 SULFATE ION × 4 HIS HISTIDINE × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；pH 7.0
Resolution 2.70 Å R-free 0.277
1ADY HISTIDYL-TRNA SYNTHETASE IN COMPLEX WITH HISTIDYL-ADENYLATE Deposited 1997-02-19 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–421（421 aa）
Chain B 1–421（421 aa）
Not recorded SO4 SULFATE ION × 2 HAM HISTIDYL-ADENOSINE MONOPHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；pH 7.
Resolution 2.80 Å R-free 0.300
1ADY HISTIDYL-TRNA SYNTHETASE IN COMPLEX WITH HISTIDYL-ADENYLATE Deposited 1997-02-19 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–421（421 aa）
Chain D 1–421（421 aa）
Not recorded SO4 SULFATE ION × 2 HAM HISTIDYL-ADENOSINE MONOPHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；pH 7.
Resolution 2.80 Å R-free 0.300
1H4V HISTIDYL-TRNA SYNTHETASE from Thermus Thermophilus (ligand free) Deposited 2001-05-14 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–421（421 aa）
Not recorded SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；DESCRIBED IN REFERENCE 1., pH 7.00
Resolution 2.40 Å R-free 0.256

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.