› 3pns

X-ray diffraction
2Å resolution

Crystal Structure of Uridine Phosphorylase Complexed with Uracil from Vibrio cholerae O1 biovar El Tor

Released:
DOI: 10.2210/pdb3pns/pdb
PDB entry 3pns coloured by chain, front view.
PDB entry 3pns coloured by chain, side view.
PDB entry 3pns coloured by chain, top view.
Source organism: Vibrio cholerae O1 biovar El Tor str. N16961
Entry authors: Maltseva N, Kim Y, Hasseman J, Anderson WF, Joachimiak A, Center for Structural Genomics of Infectious Diseases (CSGID)

Function and Biology Details

Reaction catalysed: 
Uridine + phosphate = uracil + alpha-D-ribose 1-phosphate
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assemblies composition:
homo dimer
homo hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-192083 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Uridine phosphorylase Chains: A, B, C, D, E, F, G, H, I, J, K, L
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J, K, L
Length: 261 amino acids
Theoretical weight: 28.53 KDa
Source organism: Vibrio cholerae O1 biovar El Tor str. N16961
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9KT71 (Residues: 1-258; Coverage: 100%)
Gene name: VC_1034
Sequence domains: Phosphorylase superfamily
Structure domains: Nucleoside phosphorylase domain

Ligands and Environments

6 bound ligands:
Ligand GOL 24 x GOL
Ligand URA 11 x URA
Ligand CL 4 x CL
Ligand SO4 3 x SO4
Ligand FMT 2 x FMT
Ligand ACY 1 x ACY
1 modified residue:
Ligand MSE 144 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P212121
Unit cell:
a: 103.276Å b: 174.455Å c: 180.021Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.177 0.174 0.226
Expression system: Escherichia coli

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