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Protein Purification-fri metode til Binding Affinity Bestemmelse ved Microscale Thermophoresis

DOI :

10.3791/50541-v

August 15th, 2013

August 15th, 2013

29,928 Views

1Cancer and Inflammation Program, National Cancer Institute, 2Basic Science Program, SAIC-Frederick, Inc., 3Departments of Oncology and Radiation Medicine, Georgetown University Medical Center, 4Structural Biophysics Laboratory, National Cancer Institute

Mikroskala thermophoresis (MST) kan anvendes bredt til bestemmelse af bindingsaffinitet uden oprensning af målproteinet fra cellelysater. Protokollen involverer overekspression af GFP-fusioneret protein, cellelyse i ikke-denaturerende betingelser, og påvisning af MST signal i nærvær af varierende koncentrationer af liganden.

Tags

Molekyl r Biologi

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