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Yeast inorganic pyrophosphatase with magnesium and phosphate

X-ray diffraction
1.5Å resolution
PDB entry 2ihp coloured by chain, front view.
PDB entry 2ihp coloured by chain, side view.
PDB entry 2ihp coloured by chain, top view.
Source organism: Saccharomyces cerevisiae
Assembly composition:
homo dimer (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 dimer
Accessible surface area: 23091.85 Å2
Buried surface area: 3454.13 Å2
Dissociation area: 1,015.12 Å2
Dissociation energy (ΔGdiss): 4.81 kcal/mol
Dissociation entropy (TΔSdiss): 13.26 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-133603

Macromolecules

Inorganic pyrophosphatase
Chains: A, B
Length: 286 amino acids
Theoretical weight: 32.23 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli
UniProt:
  • Canonical: P00817 (Residues: 2-287; Coverage: 100%)
Gene names: IPP1, PPA, PPA1, YBR011C, YBR0202
Pfam: Inorganic pyrophosphatase
InterPro:
CATH: Inorganic pyrophosphatase
SCOP: Inorganic pyrophosphatase
Inorganic pyrophosphatase in PDB entry 2ihp, assembly 1, front view.
Inorganic pyrophosphatase in PDB entry 2ihp, assembly 1, side view.
Inorganic pyrophosphatase in PDB entry 2ihp, assembly 1, top view.
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