HydrolysisLactose IntoleranceLactose Tolerance TestLactose SynthaseLactose FactorsLactaseThiogalactosidesKineticsSymportersNitrophenylgalactosidesMilkEscherichia coliGalactosidasesGalactosidesAdenosine TriphosphateMonosaccharide Transport ProteinsMembrane Transport ProteinsSubstrate SpecificityMethylgalactosidesHydrogen-Ion ConcentrationEscherichia coli ProteinsHydrogenMolecular Sequence DataYogurtBreath TestsMelibioseGlycosidesDisaccharidesAdenosine TriphosphatasesMaltoseAmino Acid SequenceLac OperonBinding SitesPhosphatidylinositolsPowdersCarbohydrate MetabolismGuanosine TriphosphateCatalysisDairy ProductsFlatulenceLactalbuminGalactosephosphatesThioglycosidesModels, MolecularBacterial ProteinsPhosphoenolpyruvate Sugar Phosphotransferase SystemProtein BindingGlycoside HydrolasesCarbohydratesEstersLactase-Phlorizin HydrolaseTemperatureChromatography, High Pressure LiquidProtein ConformationMutationCattleAdenosine DiphosphateOligosaccharidesLactococcus lactisCarboxylic Ester HydrolasesBiological TransportLac RepressorsGlucoseIsopropyl ThiogalactosideCellulaseCelluloseLactationSucroseExcipientsTrisaccharidesBase SequenceCellobioseStructure-Activity RelationshipIntestinal AbsorptionChromatography, Thin LayerMutagenesis, Site-DirectedBiological Transport, ActiveStreptococcusMagnesiumRecombinant ProteinsProton-Translocating ATPasesbeta-GlucosidasePhosphatesMalabsorption SyndromesCell MembraneCulture MediaLipaseEthylmaleimideMagnetic Resonance SpectroscopyCarbohydrate SequenceMembrane Transport ModulatorsMolecular WeightChromatography, PaperIntestine, SmallElectrophoresis, Polyacrylamide GelGlucosidesProtein Structure, TertiaryLactobacillusModels, ChemicalHypocrea