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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：P68133 New Search
5PDB entries
8Biological assembly
18chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion Different experimental method 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
7RNS nSH2 domain of p85-alpha subunit of phosphatidylinositol 3-kinase in complex with an actin peptide with phosphorylated tyrosine 53 Deposited 2021-07-29 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 52–60（9 aa） Fragment：UNP residues 52-60
Non-standard monomer：Yes (specific site not provided by mmCIF) EDO 1,2-ETHANEDIOL × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；292 K；0.05 M cadmium sulfate hydrate, 0.1 M HEPES, pH 7.5, 1.0 M sodium acetate trihydrate
Resolution 1.14 Å R-free 0.147
7RNU nSH2 domain of p85-beta subunit of phosphatidylinositol 3-kinase in complex with an actin peptide with phosphorylated tyrosine 53 Deposited 2021-07-29 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 52–60（9 aa） Fragment：UNP residues 52-60
Non-standard monomer：Yes (specific site not provided by mmCIF) EDO 1,2-ETHANEDIOL × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5；292 K；25% w/v PEG1500, 100 mM MIB, pH 5.0
Resolution 1.45 Å R-free 0.222
7RNU nSH2 domain of p85-beta subunit of phosphatidylinositol 3-kinase in complex with an actin peptide with phosphorylated tyrosine 53 Deposited 2021-07-29 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 52–60（9 aa） Fragment：UNP residues 52-60
Non-standard monomer：Yes (specific site not provided by mmCIF) EDO 1,2-ETHANEDIOL × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5；292 K；25% w/v PEG1500, 100 mM MIB, pH 5.0
Resolution 1.45 Å R-free 0.222
7RNU nSH2 domain of p85-beta subunit of phosphatidylinositol 3-kinase in complex with an actin peptide with phosphorylated tyrosine 53 Deposited 2021-07-29 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain F 52–60（9 aa） Fragment：UNP residues 52-60
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5；292 K；25% w/v PEG1500, 100 mM MIB, pH 5.0
Resolution 1.45 Å R-free 0.222
7RNU nSH2 domain of p85-beta subunit of phosphatidylinositol 3-kinase in complex with an actin peptide with phosphorylated tyrosine 53 Deposited 2021-07-29 Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 52–60（9 aa） Fragment：UNP residues 52-60
Non-standard monomer：Yes (specific site not provided by mmCIF) EDO 1,2-ETHANEDIOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5；292 K；25% w/v PEG1500, 100 mM MIB, pH 5.0
Resolution 1.45 Å R-free 0.222
7RNV SH2 domain of guanine nucleotide exchange factor Vav2 in complex with an actin peptide with phosphorylated tyrosine 53 Deposited 2021-07-29 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 52–60（9 aa） Fragment：UNP residues 52-60
Non-standard monomer：Yes (specific site not provided by mmCIF) EDO 1,2-ETHANEDIOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；292 K；0.2 M sodium acetate trihydrate, 0.1 M Tris hydrochloride, pH 8.5, 30% PEG4000
Resolution 2.15 Å R-free 0.272
9DUU Cryo-EM structure of recombinant wildtype ACTA1 phalloidin-stabilized F-actin Deposited 2024-10-04 Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric（13） Consistent with protein count
Chain A 3–377（375 aa）
Chain B 3–377（375 aa）
Chain C 3–377（375 aa）
Chain D 3–377（375 aa）
Chain E 3–377（375 aa）
Chain F 3–377（375 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) ADP ADENOSINE-5'-DIPHOSPHATE × 6 MG MAGNESIUM ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7；25 mM KCl, 2 mM EGTA, 60 mM MOPS (pH7), 1 mM DTT, and 4 mM MgCl2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9DUV Cryo-EM structure of recombinant R254H ACTA1 phalloidin-stabilized F-actin Deposited 2024-10-04 Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric（13） Consistent with protein count
Chain A 3–377（375 aa）
Chain B 3–377（375 aa）
Chain C 3–377（375 aa）
Chain D 3–377（375 aa）
Chain E 3–377（375 aa）
Chain F 3–377（375 aa）
Mutation：R254H Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：R254H Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：R254H Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：R254H Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：R254H Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：R254H Non-standard monomer：Yes (specific site not provided by mmCIF) ADP ADENOSINE-5'-DIPHOSPHATE × 6 MG MAGNESIUM ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7；25 mM KCl, 2 mM EGTA, 60 mM MOPS (pH7), 1 mM DTT, and 4 mM MgCl2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 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.