› 3k2v

X-ray diffraction
1.95Å resolution

Structure of the CBS pair of a putative D-arabinose 5-phosphate isomerase from Klebsiella pneumoniae subsp. pneumoniae.

Released:
DOI: 10.2210/pdb3k2v/pdb
PDB entry 3k2v coloured by chain, front view.
PDB entry 3k2v coloured by chain, side view.
PDB entry 3k2v coloured by chain, top view.
Source organism: Klebsiella pneumoniae subsp. pneumoniae MGH 78578
Entry authors: Cuff ME, Volkart L, Bearden J, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

Reaction catalysed: 
D-arabinose 5-phosphate = D-ribulose 5-phosphate
Biochemical function:
  • not assigned
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-108085 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Arabinose 5-phosphate isomerase Chains: A, B
Molecule details ›
Chains: A, B
Length: 149 amino acids
Theoretical weight: 16.52 KDa
Source organism: Klebsiella pneumoniae subsp. pneumoniae MGH 78578
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: A6TEL6 (Residues: 186-331; Coverage: 44%)
Gene names: KPN_03607, yrbH
Sequence domains: CBS domain
Structure domains: CBS-domain

Ligands and Environments

3 bound ligands:
Ligand CMK 2 x CMK
Ligand SO4 1 x SO4
Ligand GOL 3 x GOL
1 modified residue:
Ligand MSE 14 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: R32
Unit cell:
a: 102.151Å b: 102.151Å c: 214.85Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.157 0.156 0.182
Expression system: Escherichia coli BL21

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