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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：Q01518 New Search
5PDB entries
6Biological assembly
10chain/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
1K8F CRYSTAL STRUCTURE OF THE HUMAN C-TERMINAL CAP1-ADENYLYL CYCLASE ASSOCIATED PROTEIN Deposited 2001-10-24 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 319–475（157 aa） Fragment：C-TERMINAL DOMAIN
Chain B 319–475（157 aa） Fragment：C-TERMINAL DOMAIN
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；290 K；0.1M Tris-HCl, pH 8.5, 27.5% PEG4000, 0.2M NaOAc, VAPOR DIFFUSION, SITTING DROP, temperature 290K
Resolution 2.80 Å R-free 0.268
1K8F CRYSTAL STRUCTURE OF THE HUMAN C-TERMINAL CAP1-ADENYLYL CYCLASE ASSOCIATED PROTEIN Deposited 2001-10-24 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 319–475（157 aa） Fragment：C-TERMINAL DOMAIN
Chain D 319–475（157 aa） Fragment：C-TERMINAL DOMAIN
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；290 K；0.1M Tris-HCl, pH 8.5, 27.5% PEG4000, 0.2M NaOAc, VAPOR DIFFUSION, SITTING DROP, temperature 290K
Resolution 2.80 Å R-free 0.268
9Q7O One CAP-1 Bound to the Pointed End of F-actin Deposited 2025-08-24 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain W 1–475（475 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.02 Å
9XYE Two CAP-1 Bound to the Pointed End of F-actin Deposited 2025-08-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric（7） Consistent with protein count
Chain W 1–475（475 aa）
Chain X 1–475（475 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.18 Å
9Y52 One CAP-1 Bound to the Pointed End of Cofilin F-actin Deposited 2025-09-04 Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: undecameric（11） Consistent with protein count
Chain W 1–475（475 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.46 Å
9Y9J Two CAP-1 Bound to the Pointed End of Cofilin F-actin Deposited 2025-09-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain W 1–475（475 aa）
Chain X 1–475（475 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 5 MG MAGNESIUM ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.58 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.