title: Different specificities in antisera prepared against Escherichia coli tryptophan synthetase alpha subunit.
mesh_terms: D000818:Animals; D000937:Antigen-Antibody Reactions; D001428:Bacterial Vaccines; D002876:Chromosomes, Bacterial; D003168:Complement Fixation Tests; D004926:Escherichia coli / Q000201:enzymology* / Q000276:immunology; D005796:Genes; D007106:Immune Sera; D008025:Ligases; D009154:Mutation; D011817:Rabbits; D014364:Tryptophan
chemical_list: D001428:Bacterial Vaccines; D007106:Immune Sera; D014364:Tryptophan; D008025:Ligases