PDBe 3fna

X-ray diffraction
2.1Å resolution

Crystal structure of the CBS pair of possible D-arabinose 5-phosphate isomerase yrbH from Escherichia coli CFT073

Source organism: Escherichia coli CFT073
Entry authors: Cuff ME, Bigelow L, Buck K, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

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

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo dimer
Entry contents:
1 distinct polypeptide molecule
Possible arabinose 5-phosphate isomerase Chains: A, B
Molecule details ›
Chains: A, B
Length: 149 amino acids
Theoretical weight: 16.75 KDa
Source organism: Escherichia coli CFT073
Expression system: Escherichia coli
Structure domains: CBS-domain

Ligands and Environments

1 bound ligand:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: C2221
Unit cell:
a: 50.109Å b: 108.458Å c: 104.849Å
α: 90° β: 90° γ: 90°
R R work R free
0.213 0.211 0.243
Expression system: Escherichia coli