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STRUCTURE OF INORGANIC PYROPHOSPHATASE

X-ray diffraction
1.2Å resolution
PDB entry 1i6t coloured by chain, front view.
PDB entry 1i6t coloured by chain, side view.
PDB entry 1i6t coloured by chain, top view.
Source organism: Escherichia coli
Assembly composition:
homo hexamer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Inorganic pyrophosphatase
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Multimeric state: homo hexamer
Accessible surface area: 37626.71 Å2
Buried surface area: 21074.4 Å2
Dissociation area: 4,419.64 Å2
Dissociation energy (ΔGdiss): 51.68 kcal/mol
Dissociation entropy (TΔSdiss): 28.61 kcal/mol
Symmetry number: 6
PDBe Complex ID: PDB-CPX-141571

Macromolecules

Inorganic pyrophosphatase
Chain: A
Length: 175 amino acids
Theoretical weight: 19.59 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0A7A9 (Residues: 2-176; Coverage: 99%)
Gene names: JW4185, b4226, ppa
Pfam: Inorganic pyrophosphatase
InterPro:
CATH: Inorganic pyrophosphatase
SCOP: Inorganic pyrophosphatase
Inorganic pyrophosphatase in PDB entry 1i6t, assembly 1, front view.
Inorganic pyrophosphatase in PDB entry 1i6t, assembly 1, side view.
Inorganic pyrophosphatase in PDB entry 1i6t, assembly 1, top view.
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