Methods for measuring activity of glutamine:fructose 6-phosphate amidotransferase and activity of inhibitors thereof

Methods for measuring activity of glutamine:fructose 6-phosphate amidotransferase and activity of inhibitors thereof

The present invention pertains to methods for measuring the activity of glutamine:fructose 6-phosphate amidotransferase which comprise the steps of (a) forming a mixture of glutamine:fructose 6-phosphate amidotransferase, fructose 6-phosphate, and glutamine; (b) incubating the mixture under physiolo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KOCHAN JAREMA PETER, BURGHARDT CHARLES
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
MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEICACIDS OR MICROORGANISMS
METALLURGY
MICROBIOLOGY
MICROORGANISMS OR ENZYMES
MUTATION OR GENETIC ENGINEERING
PROCESSES OF PREPARING SUCH COMPOSITIONS
PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS
SPIRITS
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Beschreibung
Zusammenfassung:The present invention pertains to methods for measuring the activity of glutamine:fructose 6-phosphate amidotransferase which comprise the steps of (a) forming a mixture of glutamine:fructose 6-phosphate amidotransferase, fructose 6-phosphate, and glutamine; (b) incubating the mixture under physiological conditions to allow the formation of glucosamine 6-phosphate; (c) acetylating the glucosamine 6-phosphate to form N-acetylglucosamine 6-phosphate; (d) reacting the N-acetylglucosamine 6-phosphate with Ehrlich's reagent; and (e) measuring the amount of N-acetylglucosamine 6-phosphate by determining the optical density at 500-610 nm of the mixture and comparing the amount of N-acetylglucosamine 6-phosphate with control samples. The present invention also pertains to methods for measuring the inhibitory activity of a test compound on glutamine:fructose 6-phosphate amidotransferase.