Journal of Biochemical and Biophysical Methods 2002-04-18

A procedure for analysis of stopped-flow transients for protein-ligand association.

M Długosz, E Bojarska, J M Antosiewicz

Index: J. Biochem. Biophys. Methods 51(2) , 179-93, (2002)

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Abstract

A method for extracting kinetic and optical parameters from progress curves for protein-ligand association, obtained by stopped-flow experiments, is described. The method is limited to one-step and two-step association kinetics, but it allows concentration of protein and offset of the signals to be adjustable parameters during an interactive non-linear least-squares fitting procedure. The method is tested on simulated pseudo-experimental data and applied to progress curves obtained in a stopped-flow spectrofluorimeter, for association of the translation initiation factor eIF4E with 7-methyl-GDP, an analog of 5'-end of mRNA.

Related Compounds

  • 7-Methylguanosine...

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