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Crystal structure of squid ganglion DFPase S271A mutant

X-ray diffraction
2.1Å resolution
PDB entry 2iaq coloured by chain, front view.
PDB entry 2iaq coloured by chain, side view.
PDB entry 2iaq coloured by chain, top view.
Source organism: Loligo vulgaris
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Diisopropyl-fluorophosphatase
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Multimeric state: monomeric
Accessible surface area: 13145.15 Å2
Buried surface area: 180.61 Å2
Dissociation area: 45.47 Å2
Dissociation energy (ΔGdiss): 10.43 kcal/mol
Dissociation entropy (TΔSdiss): 0.05 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-181980

Macromolecules

Diisopropyl-fluorophosphatase
Chain: A
Length: 312 amino acids
Theoretical weight: 34.84 KDa
Source organism: Loligo vulgaris
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q7SIG4 (Residues: 3-314; Coverage: 99%)
Pfam: SMP-30/Gluconolactonase/LRE-like region
InterPro:
CATH: TolB, C-terminal domain
Diisopropyl-fluorophosphatase in PDB entry 2iaq, assembly 1, front view.
Diisopropyl-fluorophosphatase in PDB entry 2iaq, assembly 1, side view.
Diisopropyl-fluorophosphatase in PDB entry 2iaq, assembly 1, top view.
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