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Crystal Structure of E. coli Argininosuccinate Synthetase in Complex with ATP

X-ray diffraction
2Å resolution
PDB entry 1kp2 coloured by chain, front view.
PDB entry 1kp2 coloured by chain, side view.
PDB entry 1kp2 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: Argininosuccinate synthase
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Multimeric state: homo tetramer
Accessible surface area: 53734.91 Å2
Buried surface area: 39378.61 Å2
Dissociation area: 5,564.09 Å2
Dissociation energy (ΔGdiss): 66.26 kcal/mol
Dissociation entropy (TΔSdiss): 16.68 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-141302

Macromolecules

Argininosuccinate synthase
Chain: A
Length: 455 amino acids
Theoretical weight: 50.97 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0A6E4 (Residues: 2-447; Coverage: 100%)
Gene names: JW3140, argG, b3172
Pfam:
InterPro:
CATH:
SCOP:
Argininosuccinate synthase in PDB entry 1kp2, assembly 1, front view.
Argininosuccinate synthase in PDB entry 1kp2, assembly 1, side view.
Argininosuccinate synthase in PDB entry 1kp2, assembly 1, top view.
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