A rapid method for the determination of guanosine 5'-diphosphate-3'-diphosphate and guanosine 5'-triphosphate-3'-diphosphate by high-performance liquid chromatography

Autor: Steven A. Short, Thomas P. Zimmerman, Meir Fischer
Rok vydání: 1982
Předmět:
Zdroj: Analytical biochemistry. 121(1)
ISSN: 0003-2697
Popis: A method is described for the rapid analysis of the nucleotides, guanosine 5′-diphosphate-3′-diphosphate (ppGpp) and guanosine 5′-triphosphate-3′-diphosphate (pppGpp), by high-performance liquid chromatography. It has been found that the inclusion of magnesium acetate in the potassium phosphate buffer facilitates elution of these highly phosphorylated compounds from the Partisil strong anion-exchange resin and allows their determination under isocratic conditions. The application of this methodology to formic acid extracts of bacterial cells is demonstrated.
Databáze: OpenAIRE