Use of the regulatory subunit of the camp dependent protein kinase (PKA) from dictyostelium for camp measurements

The invention relates to the use of the regulatory subunit (R) of the cAMP dependent protein kinase (PKA) from Dictyostelium discoideum for cAMP detection. It includes constructs for expression of the R-subunit in E. coli and fusion to green fluorescent proteins (GFP). Fluorescence energy transfer i...

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Bibliographische Detailangaben
1. Verfasser:	REYMOND CHRISTOPHE D
Format:	Patent
Sprache:	eng
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS OR TEST PAPERS THEREFOR COMPOSITIONS THEREOF CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL ORENZYMOLOGICAL PROCESSES CULTURE MEDIA ENZYMOLOGY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEICACIDS OR MICROORGANISMS METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING ORGANIC CHEMISTRY PEPTIDES PHYSICS PROCESSES OF PREPARING SUCH COMPOSITIONS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS TESTING VINEGAR WINE
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Beschreibung
Zusammenfassung:	The invention relates to the use of the regulatory subunit (R) of the cAMP dependent protein kinase (PKA) from Dictyostelium discoideum for cAMP detection. It includes constructs for expression of the R-subunit in E. coli and fusion to green fluorescent proteins (GFP). Fluorescence energy transfer is used as a way to monitor cAMP binding, either by using fluorescently labelled cAMP or cGMP, or by using mutant GFPs with modified absorption and emission spectra. FRET changes upon cAMP binding will allow measurement of cAMP level either in vitro or within living cells.