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Crystal structure of acetylornithine transcarbamylase complexed with acetylcitrulline

X-ray diffraction
1.9Å resolution
PDB entry 3kzk coloured by chain, front view.
PDB entry 3kzk coloured by chain, side view.
PDB entry 3kzk coloured by chain, top view.
Source organism: Xanthomonas campestris pv. campestris str. ATCC 33913
Assembly composition:
homo trimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: N-acetylornithine carbamoyltransferase
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Multimeric state: homo trimer
Accessible surface area: 32724.25 Å2
Buried surface area: 10402.8 Å2
Dissociation area: 4,778.06 Å2
Dissociation energy (ΔGdiss): 101.06 kcal/mol
Dissociation entropy (TΔSdiss): 28.61 kcal/mol
Symmetry number: 3
PDBe Complex ID: PDB-CPX-185718

Macromolecules

N-acetylornithine carbamoyltransferase
Chain: A
Length: 359 amino acids
Theoretical weight: 40.13 KDa
Source organism: Xanthomonas campestris pv. campestris str. ATCC 33913
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q8P8J2 (Residues: 1-339; Coverage: 100%)
Gene names: XCC2249, argF'
Pfam:
InterPro:
CATH: Aspartate/ornithine carbamoyltransferase
N-acetylornithine carbamoyltransferase in PDB entry 3kzk, assembly 1, front view.
N-acetylornithine carbamoyltransferase in PDB entry 3kzk, assembly 1, side view.
N-acetylornithine carbamoyltransferase in PDB entry 3kzk, assembly 1, top view.
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