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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：O95400 New Search
10PDB entries
13Biological assembly
13chain/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
1GYF GYF DOMAIN FROM HUMAN CD2BP2 PROTEIN Deposited 1999-04-30 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 280–341（62 aa） Fragment：CD2-BINDING DOMAIN
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.3；298 K；Ionic strength (raw mmCIF value) 50 mM NAPO4
NMR sample composition 90% WATER/10%D2O
Resolution not provided
1L2Z CD2BP2-GYF domain in complex with proline-rich CD2 tail segment peptide Deposited 2002-02-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 280–341（62 aa） Fragment：Residue 1-62
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.3；298 K；Ionic strength (raw mmCIF value) 50 mM NaPo4；Pressure 1
NMR measurement conditions pH 6.3；298 K；Ionic strength (raw mmCIF value) 50 mM NaPo4；Pressure 1
NMR sample composition 1 mM GYF domain U-deuterated, U-15N, 1mM Peptide, 50 mM phosphate buffer, pH 6.3, 100% D2O | 100% D2O
NMR sample composition 1 mM GYF domain, aromatic amino acids protonated only, 1 mM Peptide protonated | 100% D2O
Resolution not provided
1SYX The crystal structure of a binary U5 snRNP complex Deposited 2004-04-02 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 262–341（80 aa） Fragment：86 amino acid C-terminal fragment
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；PEG 2000mme, MES, calcium acetate, 1,4-butanediol, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 2.35 Å R-free 0.262
1SYX The crystal structure of a binary U5 snRNP complex Deposited 2004-04-02 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 262–341（80 aa） Fragment：86 amino acid C-terminal fragment
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；PEG 2000mme, MES, calcium acetate, 1,4-butanediol, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 2.35 Å R-free 0.262
1SYX The crystal structure of a binary U5 snRNP complex Deposited 2004-04-02 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain F 262–341（80 aa） Fragment：86 amino acid C-terminal fragment
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；PEG 2000mme, MES, calcium acetate, 1,4-butanediol, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 2.35 Å R-free 0.262
4BWS Crystal structure of the heterotrimer of PQBP1, U5-15kD and U5-52kD. Deposited 2013-07-04 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 280–341（62 aa） Fragment：RESIDUES 280-341
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.50 Å R-free 0.277
4BWS Crystal structure of the heterotrimer of PQBP1, U5-15kD and U5-52kD. Deposited 2013-07-04 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain F 280–341（62 aa） Fragment：RESIDUES 280-341
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.50 Å R-free 0.277
8Q7Q Structure of the recycling U5 snRNP bound to chaperones CD2BP2 and TSSC4 (State 2) Deposited 2023-08-16 Assembly 1 Protein–RNA Heteromer；Protein × 14 PDB declaration: 15-meric（15） Consistent with all polymers
Chain G 1–341（341 aa）
Not recorded MG MAGNESIUM ION × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
8Q7V Structure of the recycling U5 snRNP bound to chaperones CD2BP2 and TSSC4 (State 1) Deposited 2023-08-17 Assembly 1 Protein–RNA Heteromer；Protein × 14 PDB declaration: 15-meric（15） Consistent with all polymers
Chain G 1–341（341 aa）
Not recorded MG MAGNESIUM ION × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8Q7W Structure of the recycling U5 snRNP bound to chaperone CD2BP2 (State 3) Deposited 2023-08-17 Assembly 1 Protein–RNA Heteromer；Protein × 14 PDB declaration: 15-meric（15） Consistent with all polymers
Chain G 1–341（341 aa）
Not recorded MG MAGNESIUM ION × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
8Q7X Structure of the recycling U5 snRNP bound to chaperone CD2BP2 (State 4) Deposited 2023-08-17 Assembly 1 Protein–RNA Heteromer；Protein × 14 PDB declaration: 15-meric（15） Consistent with all polymers
Chain G 1–341（341 aa）
Not recorded MG MAGNESIUM ION × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.60 Å
8Q91 Structure of the human 20S U5 snRNP core Deposited 2023-08-19 Assembly 1 Protein–RNA Heteromer；Protein × 13 PDB declaration: 14-meric（14） Consistent with all polymers
Chain F 1–341（341 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8RC0 Structure of the human 20S U5 snRNP Deposited 2023-12-05 Assembly 1 Protein–RNA Heteromer；Protein × 14 PDB declaration: 15-meric（15） Consistent with all polymers
Chain F 1–341（341 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 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.