title: The in vitro restriction of the replicative form of W.T. and mutant fd phage DNA.
mesh_terms: D001665:Binding Sites; D002499:Centrifugation, Density Gradient; D002501:Centrifugation, Zonal; D002852:Chromatography, Ion Exchange; D003090:Coliphages; D004261:DNA Replication; D004279:DNA, Viral / Q000378:metabolism; D003851:Deoxyribonucleases / Q000302:isolation & purification / Q000378:metabolism; D004926:Escherichia coli / Q000201:enzymology; D005374:Filtration; D005827:Genetics, Microbial; D005990:Glycerol; D009153:Mutagens; D009154:Mutation; D009604:Nitrosoguanidines; D010759:Phosphorus Isotopes; D013053:Spectrophotometry; D013395:Sucrose; D013997:Time Factors; D014316:Tritium
chemical_list: D004279:DNA, Viral; D009153:Mutagens; D009604:Nitrosoguanidines; D010759:Phosphorus Isotopes; D014316:Tritium; D013395:Sucrose; D003851:Deoxyribonucleases; D005990:Glycerol