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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：P63267 New Search
4PDB entries
5Biological assembly
17chain/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
6JAT Crystal structure of SETD3 bound to Actin peptide and SFG Deposited 2019-01-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 61–82（22 aa） Fragment：Actin peptide
Not recorded SFG SINEFUNGIN × 1 SO4 SULFATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；291 K；0.2 M HEPES/Sodium hydroxide, 0.2 M Ammonium sulfate, 20% PEG 8000, 10% 2-propanol
Resolution 2.71 Å R-free 0.243
6JAT Crystal structure of SETD3 bound to Actin peptide and SFG Deposited 2019-01-25 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 61–82（22 aa） Fragment：Actin peptide
Not recorded SFG SINEFUNGIN × 1 SO4 SULFATE ION × 2 EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；291 K；0.2 M HEPES/Sodium hydroxide, 0.2 M Ammonium sulfate, 20% PEG 8000, 10% 2-propanol
Resolution 2.71 Å R-free 0.243
8V2O Cryo-EM Structure of Wildtype Smooth Muscle Gamma Actin (ACTG2) Deposited 2023-11-23 Assembly 1 Protein homooligomer Homooligomer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 1–376（376 aa）
Chain B 1–376（376 aa）
Chain C 1–376（376 aa）
Chain D 1–376（376 aa）
Chain E 1–376（376 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) ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；Actin F-buffer
cryo-EM vitrification conditions Cryogen ETHANE；Blot Force: 0 Blot Time: 2.5 s
Resolution 2.45 Å
8V2Z Cryo-EM Structure of Smooth Muscle Gamma Actin (ACTG2) Mutant R257C Deposited 2023-11-25 Assembly 1 Protein homooligomer Homooligomer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 1–376（376 aa）
Chain B 1–376（376 aa）
Chain C 1–376（376 aa）
Chain D 1–376（376 aa）
Chain E 1–376（376 aa）
Mutation：R257C Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：R257C Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：R257C Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：R257C Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：R257C Non-standard monomer：Yes (specific site not provided by mmCIF) ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；Actin F-buffer
cryo-EM vitrification conditions Cryogen ETHANE；Blot Force: 0 Blot Time: 2.5 s
Resolution 2.72 Å
8V30 Smooth Muscle Gamma Actin (ACTG2) Filament Mutant R40C Deposited 2023-11-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 10 PDB declaration: decameric（10） Consistent with protein count
Chain A 1–376（376 aa）
Chain B 1–376（376 aa）
Chain C 1–376（376 aa）
Chain D 1–376（376 aa）
Chain E 1–376（376 aa）
Mutation：R40C Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：R40C Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：R40C Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：R40C Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：R40C Non-standard monomer：Yes (specific site not provided by mmCIF) ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；Actin F-buffer
cryo-EM vitrification conditions Cryogen ETHANE；Blot Force: 0 Blot Time: 2.5 s
Resolution 2.54 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.