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Carbamate kinase from Enterococcus faecalis bound to a sulfate ion and two water molecules, which mimic the substrate carbamyl phosphate

X-ray diffraction
2.02Å resolution
PDB entry 2we4 coloured by chain, front view.
PDB entry 2we4 coloured by chain, side view.
PDB entry 2we4 coloured by chain, top view.
Source organism: Enterococcus faecalis
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1
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Assembly Name: Carbamate kinase 1
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Multimeric state: homo dimer
Accessible surface area: 24780.52 Å2
Buried surface area: 5624.84 Å2
Dissociation area: 2,033.49 Å2
Dissociation energy (ΔGdiss): 21.28 kcal/mol
Dissociation entropy (TΔSdiss): 13.81 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-141077
Assembly 2 (preferred)
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Assembly Name: Carbamate kinase 1
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Multimeric state: homo dimer
Accessible surface area: 25209.48 Å2
Buried surface area: 5396.92 Å2
Dissociation area: 1,995.95 Å2
Dissociation energy (ΔGdiss): 14.79 kcal/mol
Dissociation entropy (TΔSdiss): 13.79 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-141077

Macromolecules

Carbamate kinase 1
Chains: A, B, C, D
Length: 310 amino acids
Theoretical weight: 32.96 KDa
Source organism: Enterococcus faecalis
Expression system: Escherichia coli
UniProt:
  • Canonical: P0A2X7 (Residues: 1-310; Coverage: 100%)
Gene names: EF_0106, arcC, arcC-1, arcC1
Pfam: Amino acid kinase family
InterPro:
CATH: Acetylglutamate kinase-like
Carbamate kinase 1 in PDB entry 2we4, assembly 2, front view.
Carbamate kinase 1 in PDB entry 2we4, assembly 2, side view.
Carbamate kinase 1 in PDB entry 2we4, assembly 2, top view.
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