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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：Q309F2 New Search
2PDB entries
4Biological assembly
8chain/assembly records
Main Difference Dimensions in This Set
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
2F2O Structure of calmodulin bound to a calcineurin peptide: a new way of making an old binding mode Deposited 2005-11-17 Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 389–413（25 aa）
Chain B 389–413（25 aa）
Not recorded CA CALCIUM ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.17 Å R-free 0.289
2F2O Structure of calmodulin bound to a calcineurin peptide: a new way of making an old binding mode Deposited 2005-11-17 Assembly 2 Insufficient information Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 389–413（25 aa）
Chain B 389–413（25 aa）
Not recorded CA CALCIUM ION × 16 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.17 Å R-free 0.289
2F2P Structure of calmodulin bound to a calcineurin peptide: a new way of making an old binding mode Deposited 2005-11-17 Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 389–413（25 aa）
Chain B 389–413（25 aa）
Not recorded CA CALCIUM ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.60 Å R-free 0.297
2F2P Structure of calmodulin bound to a calcineurin peptide: a new way of making an old binding mode Deposited 2005-11-17 Assembly 2 Insufficient information Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 389–413（25 aa）
Chain B 389–413（25 aa）
Not recorded CA CALCIUM ION × 16 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；298 K；VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.60 Å R-free 0.297

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.