This document introduces an automated MRM method optimizer for peptide protein quantitation. The MassHunter Optimizer software is used to optimize collision energies for 40 MRM transitions in LC/MS/MS analysis and compare them with collision energies from Q-TOF experiments. Optimized collision energies result in up to a two-fold increase in sensitivity and signal-to-noise ratio of MRM peaks. The MassHunter Optimizer software helps reduce the time and sample required for optimization by up to 200-fold.
Multiple Reaction Monitoring (MRM) is a common technique for high-throughput protein quantitation, but optimizing data acquisition parameters for each transition individually is time-consuming. Agilent's MassHunter Optimizer software provides a solution by automatically optimizing collision energies on a triple-quadrupole instrument for MRM analysis.
In a study involving 40 MRM transitions from 10 Pyrococcus furiosus proteins, the software optimized collision energies in a single 45-minute LC/MS/MS analysis. This approach reduced the number of required sample injections by up to 200-fold compared to manual optimization. The optimized parameters resulted in up to a two-fold increase in sensitivity and signal-to-noise (S/N) ratio for the MRM peaks.
Up to 40 MRM transitions can be optimized in a single LC/MS/MS analysis.
The software helps reduce the time and amount of sample required for optimization by up to 200-fold.
Up to a two-fold increase in sensitivity and signal-to-noise (S/N) ratio of MRM peaks is achieved.