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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：P0A9Q9 New Search
3PDB entries
5Biological 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
1BRM ASPARTATE BETA-SEMIALDEHYDE DEHYDROGENASE FROM ESCHERICHIA COLI Deposited 1998-08-24 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–367（367 aa）
Chain B 1–367（367 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；pH 8.5
Resolution 2.50 Å R-free 0.294
1BRM ASPARTATE BETA-SEMIALDEHYDE DEHYDROGENASE FROM ESCHERICHIA COLI Deposited 1998-08-24 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–367（367 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；pH 8.5
Resolution 2.50 Å R-free 0.294
1T4B 1.6 Angstrom structure of Esherichia coli aspartate-semialdehyde dehydrogenase. Deposited 2004-04-29 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–367（367 aa）
Chain B 1–367（367 aa）
Not recorded NA SODIUM ION × 5 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；277 K；PEG 3350, KCl, Tris.HCl, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.60 Å R-free 0.199
1T4D Crystal structure of Escherichia coli aspartate beta-semialdehyde dehydrogenase (EcASADH), at 1.95 Angstrom resolution Deposited 2004-04-29 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–367（367 aa）
Chain B 1–367（367 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；277 K；PEG 3350, Lithium sulphate, Tris.HCl, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.95 Å R-free 0.250
1T4D Crystal structure of Escherichia coli aspartate beta-semialdehyde dehydrogenase (EcASADH), at 1.95 Angstrom resolution Deposited 2004-04-29 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–367（367 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；277 K；PEG 3350, Lithium sulphate, Tris.HCl, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.95 Å R-free 0.250

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.