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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：P26715 New Search
5PDB entries
8Biological assembly
8chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state 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
2RMX Solution structure of the SHP-1 C-terminal SH2 domain complexed with a tyrosine-phosphorylated peptide from NKG2A Deposited 2007-11-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–15（15 aa） Fragment：tyrosine phosphorylation site, UNP residues 1-15
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7.4；Ionic strength (raw mmCIF value) 120；Pressure ambient
NMR sample composition 0.8mM [U-13C; U-15N] SHP-1 C-terminal SH2 domain; 0.8mM tyrosine-phosphorylated peptide; 20mM [U-2H] TRIS; 100mM sodium chloride; 0.02% sodium azide; 1mM [U-2H] DTT; 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
2YU7 Solution structure of the SHP-1 C-terminal SH2 domain complexed with a tyrosine-phosphorylated peptide from NKG2A Deposited 2007-04-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 33–47（15 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7.4；296 K；Ionic strength (raw mmCIF value) 120mM；Pressure ambient
NMR measurement conditions pH 7.4；298 K；Ionic strength (raw mmCIF value) 120mM；Pressure ambient
NMR sample composition 0.89mM SHP1 SH2 domain U-15N,13C; 0.89mM NKG2A peptide; 20mM d-Tris-HCl (pH 7.4); 100mM NaCl; 1mM d-DTT; 0.02% NaN3; 90% H2O, 10% D2O | 90% H2O/10% D2O
Resolution not provided
3BDW Human CD94/NKG2A Deposited 2007-11-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 113–232（120 aa） Fragment：Residues UNP 113-232
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.9；298 K；1.0M tri-sodium citrate, 0.1M HEPES, pH 6.9, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.50 Å R-free 0.270
3BDW Human CD94/NKG2A Deposited 2007-11-15 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 113–232（120 aa） Fragment：Residues UNP 113-232
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.9；298 K；1.0M tri-sodium citrate, 0.1M HEPES, pH 6.9, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.50 Å R-free 0.270
3CDG Human CD94/NKG2A in complex with HLA-E Deposited 2008-02-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain K 113–232（120 aa） Fragment：residues in database 113-232
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.9；291 K；Ammonium sulfate, pH 7.9, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 3.40 Å R-free 0.279
3CDG Human CD94/NKG2A in complex with HLA-E Deposited 2008-02-26 Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain F 113–232（120 aa） Fragment：residues in database 113-232
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.9；291 K；Ammonium sulfate, pH 7.9, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 3.40 Å R-free 0.279
3CII Structure of NKG2A/CD94 bound to HLA-E Deposited 2008-03-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain H 113–232（120 aa） Fragment：Ectodomain
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；291 K；1.8M ammonium sulfate, 0.3-0.7% sucrose, 100 mM Tris (8.0), VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 4.41 Å R-free 0.355
3CII Structure of NKG2A/CD94 bound to HLA-E Deposited 2008-03-11 Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain J 113–232（120 aa） Fragment：Ectodomain
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；291 K；1.8M ammonium sulfate, 0.3-0.7% sucrose, 100 mM Tris (8.0), VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 4.41 Å R-free 0.355

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.