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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：P10537 New Search
3PDB entries
3Biological assembly
3chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state 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
1FA2 CRYSTAL STRUCTURE OF BETA-AMYLASE FROM SWEET POTATO Deposited 2000-07-12 Assembly 1 Other combination Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–498（498 aa）
Not recorded DTT 2,3-DIHYDROXY-1,4-DITHIOBUTANE × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；298 K；20% Polyethyleneglycol 1500, 50 mM CaCl2, 150 mM sodium 4-touene sulfonate, pH 6.5, vapor diffusion, temperature 298.0K
Resolution 2.30 Å R-free 0.281
5WQS Crystal structure of Apo Beta-Amylase from Sweet potato Deposited 2016-11-28 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 2–499（498 aa） Fragment：UNP residues 2-499
Not recorded IPA ISOPROPYL ALCOHOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 7.5；293 K；0.1M Sodium acetate (pH 5.5), 0.05M Tris (pH 7.5), 0.01M NaCl, 2% Isoproponal, 18% PEG 4000
Resolution 1.90 Å R-free 0.202
5WQU Crystal structure of Sweet Potato Beta-Amylase complexed with Maltotetraose Deposited 2016-11-28 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 2–499（498 aa） Fragment：UNP residues 2-499
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 7.5；293 K；0.1M Na Acetate (pH 5.5), 0.05M Tris (pH 7.5), 0.01M NaCl, 2% Isopropanol and 18% PEG 4000
Resolution 2.49 Å R-free 0.245

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.