6c6g

X-ray diffraction
2.1Å resolution

An unexpected vestigial protein complex reveals the evolutionary origins of an s-triazine catabolic enzyme. Inhibitor bound complex.

Released:

Function and Biology Details

Reaction catalysed:
1-carboxybiuret + H(2)O = urea 1,3-dicarboxylate + NH(3)
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-104725 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
1-carboxybiuret hydrolase subunit AtzE Chains: A, B
Molecule details ›
Chains: A, B
Length: 457 amino acids
Theoretical weight: 48.25 KDa
Source organism: Pseudomonas sp. ADP
UniProt:
  • Canonical: Q936X3 (Residues: 1-457; Coverage: 100%)
Gene name: atzE
Sequence domains: Amidase
Structure domains: Amidase signature (AS) domain
1-carboxybiuret hydrolase subunit AtzG Chains: C, D
Molecule details ›
Chains: C, D
Length: 68 amino acids
Theoretical weight: 7.43 KDa
Source organism: Pseudomonas sp. ADP
UniProt:
  • Canonical: A0A384E126 (Residues: 1-68; Coverage: 100%)
Gene name: atzG
Sequence domains: 1-carboxybiuret hydrolase subunit AtzG-like

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX2
Unit cell:
a: 78.629Å b: 88.909Å c: 141.852Å
α: 90° β: 101.32° γ: 90°
R-values:
R R work R free
0.169 0.166 0.21