› 2ppw

X-ray diffraction
2.01Å resolution

The crystal structure of uncharacterized Ribose 5-phosphate isomerase RpiB from Streptococcus pneumoniae

Released:
DOI: 10.2210/pdb2ppw/pdb
PDB entry 2ppw coloured by chain, front view.
PDB entry 2ppw coloured by chain, side view.
PDB entry 2ppw coloured by chain, top view.
Source organism: Streptococcus pneumoniae TIGR4
Entry authors: Wu R, Zhang R, Abdullah J, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assemblies composition:
homo dimer (preferred)
homo tetramer
Assembly name:
PDBe Complex ID:
PDB-CPX-101405 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Ribose-5-phosphate isomerase C-terminal domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 216 amino acids
Theoretical weight: 24.3 KDa
Source organism: Streptococcus pneumoniae TIGR4
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: A0A0H2UNJ8 (Residues: 1-213; Coverage: 100%)
Gene name: SP_0319
Sequence domains:
Structure domains: Sugar-phosphate isomerase, RpiB/LacA/LacB

Ligands and Environments

1 bound ligand:
Ligand SO4 2 x SO4
1 modified residue:
Ligand MSE 14 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P21212
Unit cell:
a: 92.915Å b: 52.416Å c: 85.018Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.179 0.177 0.218
Expression system: Escherichia coli BL21

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