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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：P08921 New Search
6PDB entries
8Biological 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
1A64 ENGINEERING A MISFOLDED FORM OF RAT CD2 Deposited 1998-03-05 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 23–121（99 aa） Fragment：DOMAIN 1
Chain B 23–121（99 aa） Fragment：DOMAIN 1
Mutation：DEL(M46, K47) Mutation：DEL(M46, K47) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 4.6；20% MPD, 200MM NACL, 0.1M NACO, PH 4.6
Resolution 2.00 Å R-free 0.273
1A6P ENGINEERING OF A MISFOLDED FORM OF CD2 Deposited 1998-02-26 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 26–121（96 aa） Fragment：DOMAIN 1
Chain B 26–121（96 aa） Fragment：DOMAIN 1
Mutation：DEL(M46, K47) Mutation：DEL(M46, K47) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 4.6；20% PEG 4000, 5% GLYCEROL, 0.1M NACO, PH 4.6
Resolution 2.08 Å R-free 0.296
1A7B ENGINEERING A MISFOLDED FORM OF CD2 Deposited 1998-03-10 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 23–121（99 aa） Fragment：DOMAIN 1
Chain B 23–121（99 aa） Fragment：DOMAIN 1
Chain C 23–121（99 aa） Fragment：DOMAIN 1
Chain D 23–121（99 aa） Fragment：DOMAIN 1
Mutation：DEL(M46, K47) Mutation：DEL(M46, K47) Mutation：DEL(M46, K47) Mutation：DEL(M46, K47) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；2M AMMONIUM SULFATE 2% PEG 400, 0.1M HEPES, PH 7.5
Resolution 3.10 Å R-free 0.306
1A7B ENGINEERING A MISFOLDED FORM OF CD2 Deposited 1998-03-10 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 23–121（99 aa） Fragment：DOMAIN 1
Chain B 23–121（99 aa） Fragment：DOMAIN 1
Mutation：DEL(M46, K47) Mutation：DEL(M46, K47) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；2M AMMONIUM SULFATE 2% PEG 400, 0.1M HEPES, PH 7.5
Resolution 3.10 Å R-free 0.306
1A7B ENGINEERING A MISFOLDED FORM OF CD2 Deposited 1998-03-10 Assembly 3 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 23–121（99 aa） Fragment：DOMAIN 1
Chain D 23–121（99 aa） Fragment：DOMAIN 1
Mutation：DEL(M46, K47) Mutation：DEL(M46, K47) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；2M AMMONIUM SULFATE 2% PEG 400, 0.1M HEPES, PH 7.5
Resolution 3.10 Å R-free 0.306
1CDC CD2, N-TERMINAL DOMAIN (1-99), TRUNCATED FORM Deposited 1995-05-23 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 23–121（99 aa）
Chain B 23–121（99 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å
1HNG CRYSTAL STRUCTURE AT 2.8 ANGSTROMS RESOLUTION OF A SOLUBLE FORM OF THE CELL ADHESION MOLECULE CD2 Deposited 1994-08-10 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 23–198（176 aa）
Chain B 23–198（176 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.80 Å
1T6W RATIONAL DESIGN OF A CALCIUM-BINDING ADHESION PROTEIN NMR, 20 STRUCTURES Deposited 2004-05-07 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 23–121（99 aa）
Mutation：N15D, N17D CA CALCIUM ION × 1 SOLUTION NMR
NMR measurement conditions pH 6.8；298 K；Pressure 1
NMR sample composition 95% H2O, 5% D2O, protein 1 mM, KCl 130 mM, CaCl2 10 mM, PIPES 20 mM | 95% H2O/5% D2O
Resolution not provided

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.