title: Properties of a mutant of Escherichia coli lacking purine nucleoside phosphorylase.
mesh_terms: D002874:Chromosome Mapping; D004790:Enzyme Induction; D004926:Escherichia coli / Q000201:enzymology*; D005796:Genes; D005827:Genetics, Microbial; D005838:Genotype; D009154:Mutation; D009705:Nucleosides; D014166:Transferases
chemical_list: D009705:Nucleosides; D014166:Transferases