X-ray diffraction
2.2Å resolution

Crystal Structure of a gluconokinase from Sinorhizobium meliloti 1021

Source organism: Sinorhizobium meliloti 1021
Entry authors: Kumaran D, Chamala S, Evans B, Foti R, Gizzi A, Hillerich B, Kar A, LaFleur J, Seidel R, Villigas G, Zencheck W, Almo SC, Swaminathan S, New York Structural Genomics Research Consortium (NYSGRC)

Function and Biology Details

Reaction catalysed:
ATP + D-gluconate = ADP + 6-phospho-D-gluconate
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Gluconokinase Chains: A, B
Molecule details ›
Chains: A, B
Length: 202 amino acids
Theoretical weight: 22.65 KDa
Source organism: Sinorhizobium meliloti 1021
Expression system: Escherichia coli BL21(DE3)
  • Canonical: Q92VK3 (Residues: 1-178; Coverage: 100%)
Gene names: SM_b21119, gntK
Sequence domains: Shikimate kinase
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 X29A
Spacegroup: P43
Unit cell:
a: 68.202Å b: 68.202Å c: 118.621Å
α: 90° β: 90° γ: 90°
R R work R free
0.237 0.237 0.25
Expression system: Escherichia coli BL21(DE3)