1esm

X-ray diffraction
2.5Å resolution

STRUCTURAL BASIS FOR THE FEEDBACK REGULATION OF ESCHERICHIA COLI PANTOTHENATE KINASE BY COENZYME A

Released:

Function and Biology Details

Reaction catalysed:
ATP + (R)-pantothenate = ADP + (R)-4'-phosphopantothenate
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assemblies composition:
homo dimer (preferred)
homo tetramer
Assembly name:
PDBe Complex ID:
PDB-CPX-141357 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Pantothenate kinase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 316 amino acids
Theoretical weight: 36.73 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0A6I3 (Residues: 1-316; Coverage: 100%)
Gene names: JW3942, b3974, coaA, panK, rts
Sequence domains: Phosphoribulokinase / Uridine kinase family
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X12C
Spacegroup: P1
Unit cell:
a: 62Å b: 71.24Å c: 87.68Å
α: 102.44° β: 89.48° γ: 93.23°
R-values:
R R work R free
0.201 0.201 0.258
Expression system: Escherichia coli