X-ray diffraction
1.91Å resolution

Crystal structure of putative ribokinase (10640157) from Thermoplasma acidophilum at 1.91 A resolution

Entry author: Joint Center for Structural Genomics (JCSG)

Function and Biology Details

Reactions catalysed:
ATP + adenosine = ADP + AMP
ATP + cytidine = ADP + CMP
ATP + inosine = ADP + IMP
Biochemical function:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Nucleoside kinase Chains: A, B
Molecule details ›
Chains: A, B
Length: 306 amino acids
Theoretical weight: 35.65 KDa
Source organism: Thermoplasma acidophilum DSM 1728
Expression system: Escherichia coli
  • Canonical: Q9HJT3 (Residues: 1-287; Coverage: 100%)
Gene name: Ta0880
Sequence domains: pfkB family carbohydrate kinase
Structure domains:

Ligands and Environments

2 bound ligands:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-D
Spacegroup: P212121
Unit cell:
a: 56.45Å b: 59.18Å c: 177.65Å
α: 90° β: 90° γ: 90°
R R work R free
0.205 0.202 0.245
Expression system: Escherichia coli