Interactive Mass Spectrometry Dashboard for Peptide Analysis
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Solution Overview
Problem
Current mass spectrometry (MS)-based assays lack high-quality data analysis software capable of deep analysis of protein pharmaceuticals, particularly for characterizing mutations, glycopeptides, and metabolically altered peptides, leading to cumbersome and time-consuming processes that hinder the biopharmaceutical industry's ability to identify and quantify variant and degraded forms of biologics efficiently.
Innovation Solution
A user-interactive software system that provides a dashboard for simultaneously displaying extracted mass chromatograms, MS1 spectra, and MS2 spectra, allowing users to select and compare reference and variant peptides, thereby facilitating the identification of true positives and reducing staff frustration and analysis time by integrating multiple software tools into a single, user-friendly interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If multiple separate software tools are used for MS-based proteomics analysis, then identification capabilities are provided, but the analysis process becomes cumbersome and time-consuming
Solution Approach 1:
The patent combines multiple separate software tools (identification tools like SEQUEST/Mascot, quantification tools like Rosetta Elucidator/Scaffold, and visualization tools) into a single integrated software platform. This integration allows users to perform peptide identification, protein quantification, and data visualization within one unified interface, eliminating the need to manually transfer data between multiple programs and significantly reducing analysis time.
Solution Approach 2:
The software platform provides universal functionality that covers the entire MS-based proteomics workflow from raw data processing and peptide identification to protein quantification and result visualization. The system can handle both simple and complex analytical tasks within a single platform, making it adaptable to various research needs without requiring multiple specialized tools.
2Measurement precision
If existing identification tools are used alone, then peptide identification is achieved, but deep analysis of single proteins and difficult analytical tasks cannot be performed
Solution Approach 1:
The patent merges identification tools with specialized analysis capabilities in a single integrated platform. The system combines the peptide identification functionality of tools like SEQUEST and Mascot with the protein quantification capabilities of Rosetta Elucidator and Scaffold, enabling both identification and deep analysis of single proteins, glycopeptides, and metabolically altered peptides within the same software environment.
Solution Approach 2:
The software provides universal analysis capabilities that extend beyond simple peptide identification to include deep analysis of single proteins, characterization of mutations, analysis of glycopeptides, and study of metabolically altered peptides. The platform maintains high identification accuracy while adding versatile analytical functions that can handle complex proteomics challenges.
3Productivity
If a comprehensive MS-based platform is implemented, then measurement of multiple physicochemical properties is achieved, but the need for multiple separate assays increases
Solution Approach 1:
The software platform provides universal functionality to measure and analyze multiple physicochemical properties including peptide mass, amino acid sequence, disulfide bridging, glycosylation patterns, and protein quantification within a single integrated system. This multi-functional approach enables comprehensive protein characterization without requiring multiple separate assay workflows.
Solution Approach 2:
The patent combines multiple analytical workflows and data processing capabilities into a unified software platform. The system integrates peptide mapping, protein quantification, glycosylation analysis, and mutation detection functionalities, allowing users to perform comprehensive protein analysis through a single integrated interface rather than coordinating multiple separate tools.
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 an extracted mass chromatogram (XIC), an MS1 spectrum and an MS2 spectrum, all simultaneously representing a user-selected peptide. Another aspect provides a user interactive display simultaneously presenting paired spectra (XIC, MS1 and/or MS2) for a variant peptide and its corresponding wildtype counterpart.