› 6k0k

X-ray diffraction
2.68Å resolution

Crystal structure of Escherichia coli pyruvate kinase II

Released:
DOI: 10.2210/pdb6k0k/pdb
PDB entry 6k0k coloured by chain, front view.
PDB entry 6k0k coloured by chain, side view.
PDB entry 6k0k coloured by chain, top view.
Source organism: Escherichia coli
Entry authors: Zhao CH, Zhang YP, Li Y

Function and Biology Details

Reaction catalysed: 
ATP + pyruvate = ADP + phosphoenolpyruvate
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-149320 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Pyruvate kinase II Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 489 amino acids
Theoretical weight: 52.49 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P21599 (Residues: 1-480; Coverage: 100%)
Gene names: JW1843, b1854, pykA
Sequence domains:

Ligands and Environments

2 bound ligands:
Ligand MG 4 x MG
Ligand CIT 3 x CIT
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL18U1
Spacegroup: P212121
Unit cell:
a: 117.693Å b: 137.3Å c: 139.221Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.212 0.21 0.259
Expression system: Escherichia coli

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