Thang, M N An altered polynucleotide phosphorylase in E. coli mutant Q13. [electronic resource] - Biochemical and biophysical research communications Aug 1967 - 374-9 p. digital Publication Type: Journal Article ISSN: 0006-291X Standard No.: 10.1016/0006-291x(67)90320-8 doi Subjects--Topical Terms: Adenine NucleotidesCatalysisCentrifugation, Density GradientEscherichia coli--enzymologyMolecular WeightMutationNucleotidyltransferasesPhosphorus Isotopes