title: Beta-galactosidase. In vivo  -complementation.
mesh_terms: D002499:Centrifugation, Density Gradient; D002874:Chromosome Mapping; D003488:Cyanogen Bromide; D004171:Diploidy; D004926:Escherichia coli / Q000201:enzymology* / Q000254:growth & development; D005696:Galactosidases; D005796:Genes; D005816:Genetic Complementation Test; D008970:Molecular Weight; D009154:Mutation; D009876:Operon; D010455:Peptides; D011487:Protein Conformation; D011995:Recombination, Genetic; D013045:Species Specificity; D013329:Structure-Activity Relationship; D014508:Urea
chemical_list: D010455:Peptides; D014508:Urea; D005696:Galactosidases; D003488:Cyanogen Bromide