Structure analysis

Carbonmonoxy hemoglobin in complex with the antisickling agent methyl 2-((2-formyl-3-hydroxyphenoxy)methyl)nicotinate

X-ray diffraction
2Å resolution
Source organism: Homo sapiens
Assembly composition:
hetero tetramer (preferred)
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero tetramer
Accessible surface area: 23241.16 Å2
Buried surface area: 11846.9 Å2
Dissociation area: 1,472.33 Å2
Dissociation energy (ΔGdiss): 1.04 kcal/mol
Dissociation entropy (TΔSdiss): 13.69 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-159519
Complex Portal ID: CPX-2158

Macromolecules

Chains: A, C
Length: 141 amino acids
Theoretical weight: 15.15 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P69905 (Residues: 2-142; Coverage: 99%)
Gene names: HBA1, HBA2
Pfam: Globin
InterPro:
PDBe-KB: UniProt Coverage View: P69905  
1141102030405060708090100110120130140
 
50100
UniProt
P69905
PRO_0000455882
Chains
Domains
Secondary structure
Ligand binding sites
Interaction interfaces
Sequence conservation

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Chains: B, D
Length: 146 amino acids
Theoretical weight: 15.89 KDa
Source organism: Homo sapiens
UniProt:
  • Canonical: P68871 (Residues: 2-147; Coverage: 99%)
Gene name: HBB
Pfam: Globin
InterPro:
PDBe-KB: UniProt Coverage View: P68871  
114620406080100120140
 
50100
UniProt
P68871
PRO_0000296641
PRO_0000424226
Chains
Domains
Secondary structure
Ligand binding sites
Interaction interfaces
Sequence conservation

Search similar proteins