PDBe 1aq2

X-ray diffraction
1.9Å resolution


Source organism: Escherichia coli K-12
Primary publication:
Mg(2+)-Mn2+ clusters in enzyme-catalyzed phosphoryl-transfer reactions.
Nat. Struct. Biol. 4 990-4 (1997)
PMID: 9406547

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Phosphoenolpyruvate carboxykinase (ATP) Chain: A
Molecule details ›
Chain: A
Length: 540 amino acids
Theoretical weight: 59.71 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
  • Canonical: P22259 (Residues: 1-540; Coverage: 100%)
Gene names: JW3366, b3403, pck, pckA
Sequence domains: Phosphoenolpyruvate carboxykinase
Structure domains:

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ENRAF-NONIUS
Spacegroup: C2
Unit cell:
a: 126.19Å b: 96.61Å c: 46.86Å
α: 90° β: 95.8° γ: 90°
R R work R free
0.218 0.218 0.26
Expression system: Escherichia coli