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  • Beta-galactosidase cleaves ONPG to produce ONP and galactose.
  • The molar extinction coefficient is reported to be either 4500 M-1cm-1 [1] or 4900 M-1cm-1 [2] (not original references, better references would be preferable).
  • Slightly soluble in water (0.21 g/100ml or 2.1mg/mL)


Error fetching PMID 10926859:
Error fetching PMID 8526517:
  1. Error fetching PMID 10926859: [Skoneczny-BiochemJ-2000]
  2. Error fetching PMID 8526517: [Onishi-ApplEnvironMicrobiol-1995]
  3. Chemical information


All Medline abstracts: PubMed HubMed
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