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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：Q9NZD4 New Search
8PDB entries
11Biological assembly
12chain/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
1W09 Solution structure of the cis form of the human alpha-hemoglobin stabilizing protein (AHSP) Deposited 2004-05-25 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 3–94（92 aa） Fragment：RESIDUES 3-94
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6；298 K；Ionic strength (raw mmCIF value) 120；Pressure 1.0
NMR measurement conditions pH 6；298 K；Ionic strength (raw mmCIF value) 120；Pressure 1.0
Resolution not provided
1W0A Solution structure of the trans form of the human alpha-hemoglobin stabilizing protein (AHSP) Deposited 2004-06-01 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 3–94（92 aa） Fragment：RESIDUES 3-94
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6；298 K；Ionic strength (raw mmCIF value) 120；Pressure 1.0
NMR measurement conditions pH 6；298 K；Ionic strength (raw mmCIF value) 120；Pressure 1.0
Resolution not provided
1W0B Solution structure of the human alpha-hemoglobin stabilizing protein (AHSP) P30A mutant Deposited 2004-06-01 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–102（102 aa）
Mutation：YES No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6；298 K；Ionic strength (raw mmCIF value) 120；Pressure 1.0
NMR measurement conditions pH 6；298 K；Ionic strength (raw mmCIF value) 120；Pressure 1.0
Resolution not provided
1XZY Solution structure of the P30-trans form of Alpha Hemoglobin Stabilizing Protein (AHSP) Deposited 2004-11-12 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–90（90 aa） Fragment：Residues 1-90
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.9；288 K；Ionic strength (raw mmCIF value) 20mM phosphate, 100mM NaCl；Pressure ambient
NMR sample composition 20mM sodium phosphate, 100mM NaCl, 90% H2O, 10% D2O | 90% H2O/10% D2O
Resolution not provided
1Y01 Crystal structure of AHSP bound to Fe(II) alpha-hemoglobin Deposited 2004-11-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–102（102 aa）
Mutation：P30A HEM PROTOPORPHYRIN IX CONTAINING FE × 1 OXY OXYGEN MOLECULE × 1 CHK 6-[(CYCLOHEXYLACETYL)(2-HYDROXYETHYL)AMINO]-6-DEOXY-D-XYLO-HEXITOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；MES, PEG2000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.80 Å R-free 0.292
1Z8U Crystal structure of oxidized alpha hemoglobin bound to AHSP Deposited 2005-03-31 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–102（102 aa）
Mutation：P30A HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；MES, PEG-2000 monomethyl ether, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.40 Å R-free 0.252
1Z8U Crystal structure of oxidized alpha hemoglobin bound to AHSP Deposited 2005-03-31 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–102（102 aa）
Mutation：P30A HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；MES, PEG-2000 monomethyl ether, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.40 Å R-free 0.252
1Z8U Crystal structure of oxidized alpha hemoglobin bound to AHSP Deposited 2005-03-31 Assembly 3 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–102（102 aa）
Chain C 1–102（102 aa）
Mutation：P30A Mutation：P30A HEM PROTOPORPHYRIN IX CONTAINING FE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；MES, PEG-2000 monomethyl ether, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.40 Å R-free 0.252
3IA3 A cis-proline in alpha-hemoglobin stabilizing Protein directs the structural reorganization of alpha-hemoglobin Deposited 2009-07-13 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–91（91 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；0.1 M MES, pH 6.5, 4% acetonitrile and 14.5% (w/v) PEG3000, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 3.20 Å R-free 0.293
3IA3 A cis-proline in alpha-hemoglobin stabilizing Protein directs the structural reorganization of alpha-hemoglobin Deposited 2009-07-13 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–91（91 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；0.1 M MES, pH 6.5, 4% acetonitrile and 14.5% (w/v) PEG3000, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 3.20 Å R-free 0.293
3OVU Crystal Structure of Human Alpha-Haemoglobin Complexed with AHSP and the First NEAT Domain of IsdH from Staphylococcus aureus Deposited 2010-09-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 2–102（101 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；0.2M sodium acetate, 20%(w/v) PEG 3350, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.83 Å R-free 0.280

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.