the salvage pathway enzyme , uridine phosphorylase ( pyrimidine nucleoside phosphorylase ) was purified to apparent homogeneity from g. lamblia crude extracts by fast protein liquid chromatography and gel filtration on a superose 12 column , resulting in an overall 3500 fold purification and a recovery of 7.5 % .
C0042006
uridine phosphorylase
C0072728
pyrimidine