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Structure of cyanase reveals that a novel dimeric and decameric arrangement of subunits is required for formation of the enzyme active site

X-ray diffraction
1.65Å resolution
PDB entry 1dw9 coloured by chain, front view.
PDB entry 1dw9 coloured by chain, side view.
PDB entry 1dw9 coloured by chain, top view.
Source organism: Escherichia coli
Assembly composition:
homo decamer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Cyanate hydratase
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Multimeric state: homo decamer
Accessible surface area: 46968.5 Å2
Buried surface area: 71365.66 Å2
Dissociation area: 17,235.44 Å2
Dissociation energy (ΔGdiss): 323.34 kcal/mol
Dissociation entropy (TΔSdiss): 58.64 kcal/mol
Symmetry number: 10
PDBe Complex ID: PDB-CPX-133602

Macromolecules

Cyanate hydratase
Chains: A, B, C, D, E, F, G, H, I, J
Length: 156 amino acids
Theoretical weight: 17.26 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P00816 (Residues: 1-156; Coverage: 100%)
Gene names: JW0331, b0340, cnt, cynS
Pfam:
InterPro:
CATH:
SCOP:
Cyanate hydratase in PDB entry 1dw9, assembly 1, front view.
Cyanate hydratase in PDB entry 1dw9, assembly 1, side view.
Cyanate hydratase in PDB entry 1dw9, assembly 1, top view.
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