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Phospho-Aspartyl Intermediate Analogue of Apha class B acid phosphatase/phosphotransferase

X-ray diffraction
1.5Å resolution
PDB entry 2heg coloured by chain, front view.
PDB entry 2heg coloured by chain, side view.
PDB entry 2heg coloured by chain, top view.
Source organism: Escherichia coli
Assembly composition:
homo tetramer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Class B acid phosphatase
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Multimeric state: homo tetramer
Accessible surface area: 33757.44 Å2
Buried surface area: 12037.75 Å2
Dissociation area: 3,182.41 Å2
Dissociation energy (ΔGdiss): 33.51 kcal/mol
Dissociation entropy (TΔSdiss): 14.42 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-142401

Macromolecules

Class B acid phosphatase
Chains: A, B
Length: 211 amino acids
Theoretical weight: 23.53 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0AE22 (Residues: 27-237; Coverage: 100%)
Gene names: JW4015, aphA, b4055, napA, yjbP
Pfam: HAD superfamily, subfamily IIIB (Acid phosphatase)
InterPro:
CATH: HAD superfamily/HAD-like
SCOP: Class B acid phosphatase, AphA
Class B acid phosphatase in PDB entry 2heg, assembly 1, front view.
Class B acid phosphatase in PDB entry 2heg, assembly 1, side view.
Class B acid phosphatase in PDB entry 2heg, assembly 1, top view.
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