Popova, G A Absence of nucleic acid in proteocin, a defective phage of Proteus mirabilis D52. [electronic resource] - Molecular biology Jan 1974 - 418-22 p. digital Publication Type: Journal Article ISSN: 0026-8933 Subjects--Topical Terms: Bacteriophages--analysisCentrifugation, Density GradientCircular DichroismDNA, Viral--analysisDefective Viruses--analysisDeoxyribonucleasesEdetic AcidExonucleasesKineticsMutationPancreas--enzymologyProteus mirabilisSpectrophotometry, UltravioletThymidine--metabolismTime FactorsTritiumUridine--metabolism