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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：Q76MZ3 New Search
4PDB entries
8Biological assembly
8chain/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
2IAE Crystal structure of a protein phosphatase 2A (PP2A) holoenzyme. Deposited 2006-09-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 0–588（589 aa） Fragment：Aalpha subunit
Not recorded MN MANGANESE (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；0.1M MES, pH 7.0, 50mM NaCl, 1.4M ammonium sulfate, 0.2M LiCl, 2% 1,6-diaminohexane, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 3.50 Å R-free 0.316
2IAE Crystal structure of a protein phosphatase 2A (PP2A) holoenzyme. Deposited 2006-09-07 Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 0–588（589 aa） Fragment：Aalpha subunit
Not recorded MN MANGANESE (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；0.1M MES, pH 7.0, 50mM NaCl, 1.4M ammonium sulfate, 0.2M LiCl, 2% 1,6-diaminohexane, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 3.50 Å R-free 0.316
2PF4 Crystal structure of the full-length simian virus 40 small t antigen complexed with the protein phosphatase 2A Aalpha subunit Deposited 2007-04-03 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–589（589 aa）
Not recorded ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8；298 K；16% PEG 3350, 0.2 M Ammonium formate, 30 mM spermine, 6% 6-aminocaproic acid, 10 mM DTT, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 8.00
Resolution 3.10 Å R-free 0.304
2PF4 Crystal structure of the full-length simian virus 40 small t antigen complexed with the protein phosphatase 2A Aalpha subunit Deposited 2007-04-03 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–589（589 aa）
Not recorded ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8；298 K；16% PEG 3350, 0.2 M Ammonium formate, 30 mM spermine, 6% 6-aminocaproic acid, 10 mM DTT, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 8.00
Resolution 3.10 Å R-free 0.304
2PF4 Crystal structure of the full-length simian virus 40 small t antigen complexed with the protein phosphatase 2A Aalpha subunit Deposited 2007-04-03 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–589（589 aa）
Not recorded ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8；298 K；16% PEG 3350, 0.2 M Ammonium formate, 30 mM spermine, 6% 6-aminocaproic acid, 10 mM DTT, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 8.00
Resolution 3.10 Å R-free 0.304
2PF4 Crystal structure of the full-length simian virus 40 small t antigen complexed with the protein phosphatase 2A Aalpha subunit Deposited 2007-04-03 Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 1–589（589 aa）
Not recorded ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8；298 K；16% PEG 3350, 0.2 M Ammonium formate, 30 mM spermine, 6% 6-aminocaproic acid, 10 mM DTT, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 8.00
Resolution 3.10 Å R-free 0.304
3FGA Structural Basis of PP2A and Sgo interaction Deposited 2008-12-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 2–589（588 aa）
Not recorded MN MANGANESE (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 7；295 K；0.2 M SCTD, 20% w/v Polyethylene glycol 3,350, pH 7, EVAPORATION, temperature 295K
Resolution 2.70 Å R-free 0.277
6EF4 Crystal structure of mouse PP2A Aalpha P179R mutant Deposited 2018-08-16 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–589（589 aa）
Mutation：P179R No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；0.2 M Sodium malonate pH 7.0, 20% w/v Polyethylene glycol 3,350
Resolution 3.40 Å R-free 0.235

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.