Interactive Mass Spectrometry Analysis for Protein Impurities
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Solution Overview
Problem
Current mass spectrometry-based assays lack high-quality data analysis software capable of deep analysis of single proteins, particularly for characterizing mutations, glycopeptides, or metabolically altered peptides, leading to cumbersome and time-consuming processes that hinder the biopharmaceutical industry's ability to efficiently identify and quantify protein impurities and variants.
Innovation Solution
The development of graphical user-interactive displays and software that allow users to select and interactively analyze deconvolved mass spectra, overlay predicted peaks on actual spectra, and visualize data in multiple views, facilitating the distinction of true positives from false positives and reducing analysis time by providing a user-friendly dashboard for interpreting complex MS data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional mass spectrometry data analysis software is used, then automated analysis can be performed, but the analysis quality is insufficient for deep characterization of single proteins and variants
Solution Approach 1:
The patent introduces an interactive graphical user interface that acts as an intermediary between the automated mass spectrometry data analysis system and the user. This interface allows users to visually inspect spectral data, select regions of interest, and guide the analysis process while the automated software performs the complex computational tasks. The intermediary enables both automated processing and human judgment to work together, achieving deep characterization of single proteins and variants with high precision.
2Reliability
If comprehensive mass spectrometry analysis is performed to identify all protein variants and impurities, then detection capability is improved, but analysis time increases significantly
Solution Approach 1:
The patent implements preliminary filtering and visualization steps that allow users to quickly identify and focus on the most relevant spectral regions and protein variants before performing comprehensive analysis. The system pre-processes the mass spectrometry data to highlight potential variants and impurities, enabling users to prioritize their analysis efforts. This preliminary action reduces the overall analysis time while maintaining comprehensive detection capability for all protein variants and impurities.
3Productivity
If automated data analysis is used to process large numbers of spectra, then productivity is improved, but the ability to perform deep analysis of single proteins is reduced
Solution Approach 1:
The patent creates a dynamic analysis workflow that can switch between automated high-speed processing mode and interactive deep-analysis mode. The graphical user interface allows users to navigate through processed spectra and pause for detailed examination of individual proteins and variants when needed. This dynamic approach enables the system to maintain high productivity for routine processing while providing deep analysis capability on demand for specific proteins of interest.
Data Source
AI summary
This invention relates to graphical user-interactive displays for use in MS-based analysis of protein impurities, as well as methods and software for generating and using such. One aspect provides a user-interactive display comprising interactive and dynamic selection of one or more masses and concurrent display of peaks (points) corresponding to that predicted mass value across other displays (MS1, deconvolved mass spectrum, etc.).