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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：Q9ZF99 New Search
3PDB entries
3Biological assembly
3chain/assembly records
Main Difference Dimensions in This Set
Different ligand/ion 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
1B8P MALATE DEHYDROGENASE FROM AQUASPIRILLUM ARCTICUM Deposited 1999-02-02 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–329（329 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；pH 7.0
Resolution 1.90 Å R-free 0.178
1B8U MALATE DEHYDROGENASE FROM AQUASPIRILLUM ARCTICUM Deposited 1999-02-02 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–329（329 aa）
Not recorded OAA OXALOACETATE ION × 2 NAD NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；pH 7.0
Resolution 2.50 Å
1B8V Malate dehydrogenase from Aquaspirillum arcticum Deposited 1999-02-02 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–329（329 aa）
Not recorded NAD NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；pH 7.0
Resolution 2.10 Å

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.