4p69

X-ray diffraction
3.3Å resolution

Acek (D477A) ICDH complex

Released:
Primary publication:
The phosphatase mechanism of bifunctional kinase/phosphatase AceK.
Chem Commun (Camb) 50 14117-20 (2014)
PMID: 25272278

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-140026 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Isocitrate dehydrogenase kinase/phosphatase Chains: A, B
Molecule details ›
Chains: A, B
Length: 568 amino acids
Theoretical weight: 66.5 KDa
Source organism: Escherichia coli O157:H7
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q8X607 (Residues: 4-571; Coverage: 98%)
Gene names: ECs4934, Z5602, aceK
Sequence domains:
Isocitrate dehydrogenase [NADP] Chains: C, D
Molecule details ›
Chains: C, D
Length: 415 amino acids
Theoretical weight: 45.68 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P08200 (Residues: 2-416; Coverage: 100%)
Gene names: JW1122, b1136, icd, icdA, icdE
Sequence domains: Isocitrate/isopropylmalate dehydrogenase
Structure domains: Isopropylmalate Dehydrogenase

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE AR-NW12A
Spacegroup: P63
Unit cell:
a: 198.16Å b: 198.16Å c: 156.071Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.18 0.177 0.247
Expression system: Escherichia coli BL21(DE3)