› 1y1s

X-ray diffraction
2.55Å resolution

Crystal Structure of the Uridine Phosphorylase from Salmonella Typhimurium in Complex with Uracil and Sulfate Ion at 2.55A Resolution

Released:
DOI: 10.2210/pdb1y1s/pdb
PDB entry 1y1s coloured by chain, front view.
PDB entry 1y1s coloured by chain, side view.
PDB entry 1y1s coloured by chain, top view.
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
Entry authors: Gabdoulkhakov AG, Dontsova MV, Kachalova GS, Betzel C, Ealick SE, Mikhailov AM

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

Assembly composition:
homo hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-140986 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Uridine phosphorylase Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 253 amino acids
Theoretical weight: 27.17 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0A1F6 (Residues: 1-253; Coverage: 100%)
Gene names: STM3968, STMD1.21, udp
Sequence domains: Phosphorylase superfamily
Structure domains: Nucleoside phosphorylase domain

Ligands and Environments

2 bound ligands:
Ligand SO4 6 x SO4
Ligand URA 5 x URA
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: MPG/DESY, HAMBURG BEAMLINE BW6
Spacegroup: P212121
Unit cell:
a: 88.99Å b: 124.12Å c: 133.83Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.191 0.189 0.231
Expression system: Escherichia coli BL21(DE3)

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