Structure analysis

Escherichia coli Purine Nucleoside Phosphorylase Complexed with Inosine and Phosphate/Sulfate

X-ray diffraction
2.2Å resolution
Source organism: Escherichia coli O157:H7
Assembly composition:
homo hexamer (preferred)
Entry contents: 1 distinct polypeptide molecule

Assemblies

Assembly 1 (preferred)
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Multimeric state: homo hexamer
Accessible surface area: 45100 Å2
Buried surface area: 25800 Å2
Dissociation area: 5,600 Å2
Dissociation energy (ΔGdiss): 67 kcal/mol
Dissociation entropy (TΔSdiss): 29 kcal/mol
Interface energy (ΔGint): -168 kcal/mol
Symmetry number: 6

Macromolecules

Chains: A, B, C
Length: 239 amino acids
Theoretical weight: 25.98 KDa
Source organism: Escherichia coli O157:H7
UniProt:
  • Canonical: P0ABP9 (Residues: 1-239; Coverage: 100%)
Gene names: ECs5343, Z5986, deoD
Pfam: Phosphorylase superfamily
InterPro:
CATH: Nucleoside phosphorylase domain
SCOP: Purine and uridine phosphorylases

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