› 3qxb

X-ray diffraction
1.9Å resolution

Crystal structure of a Putative Xylose isomerase (YP_426450.1) from RHODOSPIRILLUM RUBRUM ATCC 11170 at 1.90 A resolution

Released:
DOI: 10.2210/pdb3qxb/pdb
PDB entry 3qxb coloured by chain, front view.
PDB entry 3qxb coloured by chain, side view.
PDB entry 3qxb coloured by chain, top view.
Source organism: Rhodospirillum rubrum ATCC 11170
Entry author: Joint Center for Structural Genomics (JCSG)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-173915 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Xylose isomerase-like TIM barrel domain-containing protein Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 316 amino acids
Theoretical weight: 36.46 KDa
Source organism: Rhodospirillum rubrum ATCC 11170
Expression system: Escherichia coli
UniProt:
  • Canonical: Q2RUN2 (Residues: 1-297; Coverage: 100%)
Gene name: Rru_A1362
Sequence domains: Xylose isomerase-like TIM barrel
Structure domains: Divalent-metal-dependent TIM barrel enzymes

Ligands and Environments

5 bound ligands:
Ligand FE 8 x FE
Ligand MN 8 x MN
Ligand CL 5 x CL
Ligand EDO 13 x EDO
Ligand ACT 4 x ACT
1 modified residue:
Ligand MSE 44 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-2
Spacegroup: C2
Unit cell:
a: 76.188Å b: 94.903Å c: 173.197Å
α: 90° β: 93.04° γ: 90°
R-values:
R R work R free
0.152 0.15 0.192
Expression system: Escherichia coli

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