- Primary Structure Analysis
- High-resolution mass spectrometry molecular weight
- MALDI TOF mass spectrometry analysis
- N-terminal sequence analysis
- C-terminal sequence analysis
- N/C terminal sequence analysis
- Analysis of the K deletion ratio at the C-terminus of antibodies
- LC-MS/MS protein full sequence validation
- Peptide coverage / Peptide spectrum analysis
- Protein peptide profile determination
- Amino Acid Composition Analysis
- Extinction coefficient analysis
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- Advanced Structural Analysis
- Charge Heterogeneity Analysis
- Impurity Analysis
- Native Mass Spectrometry
- SDS-PAGE protein purity analysis
- Protein purity analysis (size exclusion/reverse phase chromatography)
- Host Cell Protein Residue (HCP) Analysis Service
- Antibody-Drug Conjugates (ADCs) Analysis
- Protein content analysis
- Product-related impurity analysis
- Analysis of other process-related impurities
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- Special Analysis
- Primary Structure Analysis
Proteomics Mass Spectrometry and Metabolomics Mass Spectrometry
Proteomics mass spectrometry and metabolomics mass spectrometry are two primary methods of analyzing biological samples using mass spectrometry technology, focusing on proteins and metabolites in biological systems, respectively. Although they share some technical platforms and analytical strategies, there are significant differences in target analytes, sample processing, and data interpretation.
1. Proteomics Mass Spectrometry
Proteomics mass spectrometry focuses on identifying and quantifying the expression, modification, and interaction of all proteins in tissues, cells, or organisms. Its main steps include:
Sample preparation: Protein extraction, purification, and then digestion into peptides using enzymes.
Mass spectrometry analysis: Separation and identification of peptides using techniques such as LC-MS/MS, to infer protein identity.
Data analysis: Use of bioinformatics tools for protein identification, quantification, and functional annotation.
Proteomics mass spectrometry is widely used in disease mechanism research, biomarker discovery, and drug target identification.
2. Metabolomics Mass Spectrometry
Metabolomics mass spectrometry aims to identify and quantify all low molecular weight metabolites in cells, tissues, or organisms. Its key steps include:
Sample preparation: Metabolite extraction usually does not require enzymatic digestion but requires effective extraction and purification methods to remove proteins and other macromolecules.
Mass spectrometry analysis: Direct separation and identification of metabolites using techniques such as GC-MS or LC-MS.
Data analysis: Interpretation through metabolite database matching, quantitative analysis, and metabolic pathway mapping.
Metabolomics mass spectrometry has broad applications in disease diagnosis, functional metabolomics research, and nutrition science.
3. Similarities and Differences
Similarities: Both rely on mass spectrometry for molecule identification and quantification and require complex data analysis processes.
Differences:
Target analytes: Proteomics focuses on proteins and peptides, while metabolomics focuses on small molecule metabolites.
Sample processing: Proteomics often requires enzymatic digestion, whereas metabolomics emphasizes direct extraction of small molecules.
Data interpretation: Proteomics data is typically used to understand protein functions and interaction networks, whereas metabolomics data is used to study metabolic pathways and the physiological state of organisms.
Both methods provide unique and complementary perspectives for biological research, jointly advancing systems biology and precision medicine.
BiotechPack, A Biopharmaceutical Characterization and Multi-Omics Mass Spectrometry (MS) Services Provider
Related Services:
Unknown Metabolite Identification
Post-Translational Modification Proteomics Analysis
Histone Post-Translational Modification Analysis
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