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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：P49891 New Search
3PDB entries
3Biological assembly
6chain/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
1AQU ESTROGEN SULFOTRANSFERASE WITH BOUND INACTIVE COFACTOR PAP AND 17-BETA ESTRADIOL Deposited 1997-08-01 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–295（295 aa）
Chain B 1–295（295 aa）
Not recorded A3P ADENOSINE-3'-5'-DIPHOSPHATE × 2 EST ESTRADIOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；EST WAS CRYSTALLIZED IN THE PRESENCE OF 4MM A3P AND THEN SOAKED IN A SATURATED SOLUTION OF 17BETA-ESTRADIOL., pH 6.5
Resolution 1.60 Å R-free 0.251
1AQY ESTROGEN SULFOTRANSFERASE WITH PAP Deposited 1997-08-04 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–295（295 aa）
Chain B 1–295（295 aa）
Not recorded A3P ADENOSINE-3'-5'-DIPHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；pH 6.5
Resolution 1.75 Å R-free 0.248
1BO6 ESTROGEN SULFOTRANSFERASE WITH INACTIVE COFACTOR PAP AND VANADATE Deposited 1998-08-10 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–295（295 aa）
Chain B 1–295（295 aa）
Not recorded VO4 VANADATE ION × 2 A3P ADENOSINE-3'-5'-DIPHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；pH 6.5
Resolution 2.10 Å R-free 0.249

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.