title: Cross-reacting material produced by lac deletion mutants of Escherichia coli K12.
mesh_terms: D000818:Animals; D000941:Antigens; D001426:Bacterial Proteins; D002474:Cell-Free System; D002869:Chromosome Aberrations; D002876:Chromosomes, Bacterial; D004926:Escherichia coli / Q000201:enzymology / Q000276:immunology*; D005696:Galactosidases; D005796:Genes; D005816:Genetic Complementation Test; D005827:Genetics, Microbial; D005838:Genotype; D007106:Immune Sera; D005779:Immunodiffusion; D026901:Membrane Transport Proteins; D009154:Mutation; D010455:Peptides; D011817:Rabbits
chemical_list: D000941:Antigens; D001426:Bacterial Proteins; D007106:Immune Sera; D026901:Membrane Transport Proteins; D010455:Peptides; D005696:Galactosidases