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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：Q14444 New Search
5PDB entries
8Biological assembly
11chain/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
4WBE Crystal structure of the HR-1 domain of human caprin-1 in the C121 space group Deposited 2014-09-03 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 132–251（120 aa） Fragment：unp residues 132-251
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；298 K；22% PEG750MME, 0.1 M Tris, 0.1 M potassium fluoride, 10% glycerol
Resolution 2.05 Å R-free 0.231
4WBE Crystal structure of the HR-1 domain of human caprin-1 in the C121 space group Deposited 2014-09-03 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 132–251（120 aa） Fragment：unp residues 132-251
Chain C 132–251（120 aa） Fragment：unp residues 132-251
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；298 K；22% PEG750MME, 0.1 M Tris, 0.1 M potassium fluoride, 10% glycerol
Resolution 2.05 Å R-free 0.231
4WBP Crystal structure of the HR-1 domain of human caprin-1 in the P3121 space group Deposited 2014-09-03 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 132–251（120 aa） Fragment：unp residues 132-251
Chain B 132–251（120 aa） Fragment：unp residues 132-251
Non-standard monomer：Yes (specific site not provided by mmCIF) 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, HANGING DROP；pH 8；298 K；12% PEG600, 0.1 M Tris, 0.1 M Calcium acetate, 10% glycerol
Resolution 2.50 Å R-free 0.266
6TA7 CRYSTAL STRUCTURE OF HUMAN G3BP1-NTF2 IN COMPLEX WITH HUMAN CAPRIN1-DERIVED SOLOMON MOTIF Deposited 2019-10-29 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain H 356–386（31 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；298 K；0.2M Sodium chloride, 0.1M Tris 8.0, 20% w/v PEG 4000 of the Proplex crystallization screen (Molecular Dimensions)
Resolution 1.93 Å R-free 0.252
6TA7 CRYSTAL STRUCTURE OF HUMAN G3BP1-NTF2 IN COMPLEX WITH HUMAN CAPRIN1-DERIVED SOLOMON MOTIF Deposited 2019-10-29 Assembly 3 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain G 356–386（31 aa）
Not recorded NA SODIUM ION × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；298 K；0.2M Sodium chloride, 0.1M Tris 8.0, 20% w/v PEG 4000 of the Proplex crystallization screen (Molecular Dimensions)
Resolution 1.93 Å R-free 0.252
8TH7 Crystal Structure of the G3BP1 NTF2-like domain bound to the Caprin1 peptide Deposited 2023-07-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 360–381（22 aa）
Chain D 360–381（22 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；291.15 K；1.8M tri-ammonium citrate pH 7.0
Resolution 2.88 Å R-free 0.277
9HFU Caprin1 peptide bound to SPOP MATH domain Deposited 2024-11-18 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 426–442（17 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291 K；12.5% w/v PEG 1000, 12.5% w/v PEG 3350, 12.5% v/v MPD, 0.03 M sodium fluoride, 0.03 M sodium bromide, 0.03 M sodium iodide, 0.1 M bicine/Trizma base pH 8.5
Resolution 1.70 Å R-free 0.204
9HFU Caprin1 peptide bound to SPOP MATH domain Deposited 2024-11-18 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 426–442（17 aa）
Not recorded NA SODIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291 K；12.5% w/v PEG 1000, 12.5% w/v PEG 3350, 12.5% v/v MPD, 0.03 M sodium fluoride, 0.03 M sodium bromide, 0.03 M sodium iodide, 0.1 M bicine/Trizma base pH 8.5
Resolution 1.70 Å R-free 0.204

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.