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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：Q59196 New Search
3PDB entries
3Biological assembly
4chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification 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
1BT4 PHOSPHOSERINE AMINOTRANSFERASE FROM BACILLUS CIRCULANS SUBSP. ALKALOPHILUS Deposited 1998-09-02 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 4–362（359 aa） Fragment：ONE COMPLETE SUBUNIT
Mutation：K3E PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions macroseeding；pH 4.6；CRYSTALLIZED AT ROOM TEMPERATURE FROM 0.1 M SODIUM ACETATE BUFFER, PH 4.6, 2-6% GLYCEROL, 2-4% PEG 20000, USING MACROSEEDING TECHNIQUES, macroseeding
Resolution 2.30 Å R-free 0.246
1W3U Crystal structure of phosphoserine aminotransferase from Bacillus circulans var. alkalophilus Deposited 2004-07-20 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–362（362 aa）
Mutation：YES PLP PYRIDOXAL-5'-PHOSPHATE × 2 GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 4.6；CRYSTALLIZED AT ROOM TEMPERATURE FROM 0.1 M SODIUM ACETATE BUFFER, PH 4.6, 5% GLYCEROL, 4% PEG 20000
Resolution 1.50 Å R-free 0.208
2C0R CRYSTAL STRUCTURE OF PHOSPHOSERINE AMINOTRANSFERASE FROM BACILLUS CIRCULANS VAR. ALKALOPHILUS AT pH 8.5 Deposited 2005-09-07 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–361（361 aa）
Chain B 1–361（361 aa）
Mutation：YES Mutation：YES PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；30% PEG 4000, 0.1 M TRIS-HCL BUFFER, PH 8.5, 5% GLYCEROL, 0.2 M SODIUM ACETATE
Resolution 1.20 Å R-free 0.212

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.