4bjh

X-ray diffraction
2.2Å resolution

Crystal Structure of the Aquifex Reactor Complex Formed by Dihydroorotase (H180A, H232A) with Dihydroorotate and Aspartate Transcarbamoylase with N-(phosphonacetyl)-L-aspartate (PALA)

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dodecamer (preferred)
PDBe Complex ID:
PDB-CPX-130369 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Dihydroorotase Chain: A
Molecule details ›
Chain: A
Length: 456 amino acids
Theoretical weight: 50.3 KDa
Source organism: Aquifex aeolicus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O66990 (Residues: 1-422; Coverage: 100%)
Gene names: aq_806, pyrC
Sequence domains: Amidohydrolase family
Structure domains:
Aspartate carbamoyltransferase catalytic subunit Chain: B
Molecule details ›
Chain: B
Length: 322 amino acids
Theoretical weight: 37.14 KDa
Source organism: Aquifex aeolicus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O66726 (Residues: 1-291; Coverage: 100%)
Gene names: aq_409, pyrB
Sequence domains:
Structure domains: Aspartate/ornithine carbamoyltransferase

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-G
Spacegroup: R32
Unit cell:
a: 157.152Å b: 157.152Å c: 233.244Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.163 0.161 0.203
Expression system: Escherichia coli BL21(DE3)