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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：P00505 New Search
3PDB entries
4Biological assembly
8chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification 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
5AX8 Recombinant expression, purification and preliminary crystallographic studies of the mature form of human mitochondrial aspartate aminotransferase Deposited 2015-07-20 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 30–430（401 aa） Fragment：UNP residues 40-430
Chain C 30–430（401 aa） Fragment：UNP residues 40-430
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；277 K；0.1 M HEPES pH 6.8, 25% (v/v) Jeffamine ED-2001 pH 6.8
Resolution 2.99 Å R-free 0.291
5AX8 Recombinant expression, purification and preliminary crystallographic studies of the mature form of human mitochondrial aspartate aminotransferase Deposited 2015-07-20 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 30–430（401 aa） Fragment：UNP residues 40-430
Chain D 30–430（401 aa） Fragment：UNP residues 40-430
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.8；277 K；0.1 M HEPES pH 6.8, 25% (v/v) Jeffamine ED-2001 pH 6.8
Resolution 2.99 Å R-free 0.291
8SKR human liver mitochondrial Aspartate aminotransferase Deposited 2023-04-20 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–430（430 aa）
Chain C 1–430（430 aa）
Not recorded PLP PYRIDOXAL-5'-PHOSPHATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.99 Å
9YB6 Human Mitochondrial Aspartate Aminotransferase complex with PLP at 1.5 Angstrom. Deposited 2025-09-16 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–430（430 aa）
Chain B 1–430（430 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) GOL GLYCEROL × 5 SO4 SULFATE ION × 2 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；293 K；0.1 M Ammonium Sulfate, 0.05 M Sodium Acetate, 23% PEG-3350, pH 5.5
Resolution 1.50 Å R-free 0.209

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.