title: Incomplete lambda bacteriophage heads produced by a gene F mutant.
abstract: The defective head subassembly produced when lambdasusF423 grows in a nonpermissive host is made functional by a factor in other mutant lysates.
mesh_terms: D000645:Ammonium Sulfate; D002499:Centrifugation, Density Gradient; D011232:Chemical Precipitation; D002850:Chromatography, Gel; D003090:Coliphages / Q000254:growth & development; D005796:Genes; D005816:Genetic Complementation Test; D005827:Genetics, Microbial; D009154:Mutation; D013395:Sucrose; D014764:Viral Proteins / Q000302:isolation & purification
chemical_list: D014764:Viral Proteins; D013395:Sucrose; D000645:Ammonium Sulfate