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JoVE Journal
Biochemistry

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Måling af G-proteinkoblet receptorreceptor via radio-mærket GTP-binding
 
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Måling af G-proteinkoblet receptorreceptor via radio-mærket GTP-binding

Article DOI: 10.3791/55561-v 10:13 min June 9th, 2017
June 9th, 2017

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Summary

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Guanosintriphosphat (GTP) -binding er en af ​​de tidligste begivenheder i G-protein-koblet receptor (GPCR) -aktivering. Denne protokol beskriver, hvordan man farmakologisk karakteriserer specifikke GPCR-ligandinteraktioner ved at overvåge bindingen af ​​den radiomærkede GTP-analog, [35S] guanosin-5'-O- (3-thio) triphosphat ([35S] GTPγS), i Svar på en ligand af interesse.

Tags

Biochemistry Cellular fractionation membrane preparation GPCR agonist antagonist GTPγS binding pharmacology μ-opioid receptor
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