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En rensning og In Vitro aktivitet Assay for en (p) ppGpp syntetase fra Clostridium difficile
JoVE Journal
Immunology and Infection
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JoVE Journal Immunology and Infection
A Purification and In Vitro Activity Assay for a (p)ppGpp Synthetase from Clostridium difficile
DOI:

09:53 min

November 03, 2018

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Chapters

  • 00:04Title
  • 00:44Protein Purification by Nickel Affinity Chromatography
  • 03:30Protein Activity Assay by Thin Layer Chromatography
  • 07:30Results: Thin Layer Chromatography Reveals that C. difficile RSH is an Active ppGpp Synthetase
  • 09:01Conclusion

Summary

Automatic Translation

Her, beskriver vi en metode til rensning af histidin-markeret pyrophosphokinase enzymer og anvende tyndtlagskromatografi radioaktive substrater og produkter til assay for enzymatisk aktivitet in vitro. Enzym aktivitet assay er stort set gælder for enhver kinase, nukleotid cyclase eller fosfor-overførsel reaktion hvis mekanisme omfatter nukleotid trifosfat hydrolyse.

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