title: Genetic map of the beginning of the rIIB cistron of bacteriophage T4.
abstract: In this report the herefore uncharacterized mutants at the beginning of the rIIB cistron of bacteriophage T4 have been connected to the main part of the map and have been shown not to be in any way unusual. The temperature sensitive mutant HD263 appears to be the earliest mutant in the cistron.
mesh_terms: D015075:2-Aminopurine / Q000494:pharmacology; D002874:Chromosome Mapping; D003090:Coliphages / Q000187:drug effects / Q000502:physiology* / Q000528:radiation effects; D003433:Crosses, Genetic; D005796:Genes; D005838:Genotype; D009154:Mutation; D011830:Radiation Effects; D013489:Suppression, Genetic; D014466:Ultraviolet Rays
chemical_list: D015075:2-Aminopurine