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Side-necked turtle (Pleurodira, Chelonia, REPTILIA) hemoglobin: cDNA-derived primary structures and X-ray crystal structures of Hb A

X-ray diffraction
2.2Å resolution
PDB entry 3at5 coloured by chain, front view.
PDB entry 3at5 coloured by chain, side view.
PDB entry 3at5 coloured by chain, top view.
Source organism: Podocnemis unifilis
Assembly composition:
hetero tetramer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Globin domain-containing protein
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Multimeric state: hetero tetramer
Accessible surface area: 23897.1 Å2
Buried surface area: 12101.92 Å2
Dissociation area: 3,763.5 Å2
Dissociation energy (ΔGdiss): -1.03 kcal/mol
Dissociation entropy (TΔSdiss): 37 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-123010

Macromolecules

Globin domain-containing protein
Chain: A
Length: 141 amino acids
Theoretical weight: 15.62 KDa
Source organism: Podocnemis unifilis
UniProt:
  • Canonical: E5RWQ0 (Residues: 2-142; Coverage: 99%)
Gene name: HBAA
Pfam: Globin
InterPro:
CATH: Globins
Globin family profile domain-containing protein in PDB entry 3at5, assembly 1, front view.
Globin family profile domain-containing protein in PDB entry 3at5, assembly 1, side view.
Globin family profile domain-containing protein in PDB entry 3at5, assembly 1, top view.
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Globin domain-containing protein
Chain: B
Length: 146 amino acids
Theoretical weight: 16.35 KDa
Source organism: Podocnemis unifilis
UniProt:
  • Canonical: E5RWQ1 (Residues: 2-147; Coverage: 99%)
Gene name: HBB
Pfam: Globin
InterPro:
CATH: Globins
Globin family profile domain-containing protein in PDB entry 3at5, assembly 1, front view.
Globin family profile domain-containing protein in PDB entry 3at5, assembly 1, side view.
Globin family profile domain-containing protein in PDB entry 3at5, assembly 1, top view.
Molecule details ›

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