PDBe 1rk2

X-ray diffraction
2.25Å resolution

E. COLI RIBOKINASE COMPLEXED WITH RIBOSE AND ADP, SOLVED IN SPACE GROUP P212121

Released:
Source organism: Escherichia coli
Primary publication:
Induced fit on sugar binding activates ribokinase.
J. Mol. Biol. 290 1009-18 (1999)
PMID: 10438599

Function and Biology Details

Reaction catalysed:
ATP + D-ribose = ADP + D-ribose 5-phosphate. 
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Ribokinase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 309 amino acids
Theoretical weight: 32.32 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0A9J6 (Residues: 1-309; Coverage: 100%)
Gene names: JW3731, b3752, rbsK
Sequence domains: pfkB family carbohydrate kinase
Structure domains: UDP-N-acetylmuramoyl-L-alanine:D-glutamate ligase

Ligands and Environments


No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE X11
Spacegroup: P212121
Unit cell:
a: 55.201Å b: 62.492Å c: 337.8Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.228 0.228 0.265
Expression system: Escherichia coli