X-ray diffraction
2.4Å resolution

X-ray structure of the uridine phosphorylase from Salmonella typhimurium in complex with thymidine at 2.40 A resolution

Entry authors: Sotnichenko SE, Lashkov AA, Gabdoulkhakov AG, Mikhailov AM

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
Entry contents:
1 distinct polypeptide molecule
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
  • 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

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BESSY BEAMLINE 14.2
Spacegroup: P61
Unit cell:
a: 89.97Å b: 89.97Å c: 256.56Å
α: 90° β: 90° γ: 120°
R R work R free
0.223 0.22 0.236
Expression system: Escherichia coli