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- Ortho-Nitrophenyl-β-galactoside abstract "ortho-Nitrophenyl-β-galactoside (ONPG) is a colorimetric and spectrophotometric substrate for detection of β-galactosidase activity. This compound is normally colorless. However, if β-galactosidase is present, it hydrolyzes the ONPG molecule into galactose and ortho-nitrophenol. The latter compound has a yellow color that can be used to check for enzyme activity by means of a colorimetric assay (at 420 nm wavelength). β-Galactosidase is required for lactose utilization, so the intensity of the color produced can be used as a measure of the enzymatic rate.Though ONPG mimics lactose and is hydrolyzed by β-galactosidase, it is unable to act as an inducer for the lac operon. Without another lactose analog that can act as an inducer, such as isopropyl β-D-1-thiogalactopyranoside (IPTG), β-galactosidase will not be transcribed and ONPG will not be hydrolyzed.".
- Ortho-Nitrophenyl-β-galactoside iupacName "(2R,3R,4S,5R)-2-(Hydroxymethyl)-6-(2-nitrophenoxy)oxane-3,4,5-triol".
- Ortho-Nitrophenyl-β-galactoside thumbnail ONPG_structure.png?width=300.
- Ortho-Nitrophenyl-β-galactoside wikiPageID "4278609".
- Ortho-Nitrophenyl-β-galactoside wikiPageLength "1991".
- Ortho-Nitrophenyl-β-galactoside wikiPageOutDegree "15".
- Ortho-Nitrophenyl-β-galactoside wikiPageRevisionID "651393696".
- Ortho-Nitrophenyl-β-galactoside wikiPageWikiLink Beta-galactosidase.
- Ortho-Nitrophenyl-β-galactoside wikiPageWikiLink Category:Galactosides.
- Ortho-Nitrophenyl-β-galactoside wikiPageWikiLink Category:Nitrobenzenes.
- Ortho-Nitrophenyl-β-galactoside wikiPageWikiLink Colorimeter_(chemistry).
- Ortho-Nitrophenyl-β-galactoside wikiPageWikiLink Enzyme.
- Ortho-Nitrophenyl-β-galactoside wikiPageWikiLink Galactose.
- Ortho-Nitrophenyl-β-galactoside wikiPageWikiLink Hydrolysis.
- Ortho-Nitrophenyl-β-galactoside wikiPageWikiLink Inducer.
- Ortho-Nitrophenyl-β-galactoside wikiPageWikiLink Isopropyl_β-D-1-thiogalactopyranoside.
- Ortho-Nitrophenyl-β-galactoside wikiPageWikiLink Lac_operon.
- Ortho-Nitrophenyl-β-galactoside wikiPageWikiLink Lactose.
- Ortho-Nitrophenyl-β-galactoside wikiPageWikiLink Nitrophenol.
- Ortho-Nitrophenyl-β-galactoside wikiPageWikiLink Ortho-nitrophenol.
- Ortho-Nitrophenyl-β-galactoside wikiPageWikiLink Spectrophotometry.
- Ortho-Nitrophenyl-β-galactoside wikiPageWikiLink Substrate_(biochemistry).
- Ortho-Nitrophenyl-β-galactoside wikiPageWikiLink Substrate_(chemistry).
- Ortho-Nitrophenyl-β-galactoside wikiPageWikiLinkText "ONPG".
- Ortho-Nitrophenyl-β-galactoside wikiPageWikiLinkText "Ortho-Nitrophenyl-β-galactoside".
- Ortho-Nitrophenyl-β-galactoside wikiPageWikiLinkText "ortho-Nitrophenyl-β-galactoside".
- Ortho-Nitrophenyl-β-galactoside hasPhotoCollection Ortho-Nitrophenyl-β-galactoside.
- Ortho-Nitrophenyl-β-galactoside imagefile "ONPG structure.png".
- Ortho-Nitrophenyl-β-galactoside iupacname "-2".
- Ortho-Nitrophenyl-β-galactoside name "ortho-Nitrophenyl-β-galactoside".
- Ortho-Nitrophenyl-β-galactoside othernames "2".
- Ortho-Nitrophenyl-β-galactoside wikiPageUsesTemplate Template:Chembox.
- Ortho-Nitrophenyl-β-galactoside wikiPageUsesTemplate Template:Glycosides.
- Ortho-Nitrophenyl-β-galactoside wikiPageUsesTemplate Template:Unreferenced.
- Ortho-Nitrophenyl-β-galactoside subject Category:Galactosides.
- Ortho-Nitrophenyl-β-galactoside subject Category:Nitrobenzenes.
- Ortho-Nitrophenyl-β-galactoside type ChemicalCompound.
- Ortho-Nitrophenyl-β-galactoside type ChemicalSubstance.
- Ortho-Nitrophenyl-β-galactoside type ChemicalObject.
- Ortho-Nitrophenyl-β-galactoside type Thing.
- Ortho-Nitrophenyl-β-galactoside type Q11173.
- Ortho-Nitrophenyl-β-galactoside comment "ortho-Nitrophenyl-β-galactoside (ONPG) is a colorimetric and spectrophotometric substrate for detection of β-galactosidase activity. This compound is normally colorless. However, if β-galactosidase is present, it hydrolyzes the ONPG molecule into galactose and ortho-nitrophenol. The latter compound has a yellow color that can be used to check for enzyme activity by means of a colorimetric assay (at 420 nm wavelength).".
- Ortho-Nitrophenyl-β-galactoside label "Ortho-Nitrophenyl-β-galactoside".
- Ortho-Nitrophenyl-β-galactoside sameAs O-Nitrophenyl-β-D-galactopyranosid.
- Ortho-Nitrophenyl-β-galactoside sameAs اورتو-نیتروفنیل-بتا-گالاکتوسید.
- Ortho-Nitrophenyl-β-galactoside sameAs Ortho-nitrophényl-β-galactoside.
- Ortho-Nitrophenyl-β-galactoside sameAs m.0btt2j.
- Ortho-Nitrophenyl-β-galactoside sameAs Orto-Nitrofenil-β-galaktozid.
- Ortho-Nitrophenyl-β-galactoside sameAs Orto-Nitrofenil-β-galaktozid.
- Ortho-Nitrophenyl-β-galactoside sameAs Q287775.
- Ortho-Nitrophenyl-β-galactoside sameAs Q287775.
- Ortho-Nitrophenyl-β-galactoside wasDerivedFrom Ortho-Nitrophenyl-β-galactoside?oldid=651393696.
- Ortho-Nitrophenyl-β-galactoside depiction ONPG_structure.png.
- Ortho-Nitrophenyl-β-galactoside isPrimaryTopicOf Ortho-Nitrophenyl-β-galactoside.
- Ortho-Nitrophenyl-β-galactoside name "ortho-Nitrophenyl-β-galactoside".