Platforms
MtoZ Biolabs is a professional CRO company focusing on proteomics, mass spectrometry analysis, and multi-omics detection. With advanced mass spectrometry platforms and a complete experimental system, we provide systematic and standardized detection and analysis solutions for global scientific and industrial clients. The company is committed to supporting scientific researchers with high-quality data to explore the molecular mechanisms of protein post-translational modifications (PTMs), thereby promoting drug development, disease research, and fundamental life science studies. The technology platform of MtoZ Biolabs not only includes common mass spectrometry methods but also integrates multiple modified peptide enrichment strategies, bioinformatics algorithms, and quantitative analysis approaches, offering clients one-stop detection and analytical services.
Services at MtoZ Biolabs
MtoZ Biolabs’ technology platform focuses on post-translational modification research, building a complete chain from modified peptide enrichment, quantitative analysis, and mass spectrometry detection to bioinformatics interpretation. Each step complements the others, ensuring the reliability and scientific value of the results. Our technology platform covers the following aspects:
| Platform | Method | Description |
| Modified Peptide Enrichment | SAX & SCX-Based Modified Peptide Enrichment Service | Separation of modified peptides based on charge differences, suitable for initial fractionation of phosphorylated, acetylated, and other charged modifications. |
| HILIC-Based Modified Peptide Enrichment Service | Separation based on peptide polarity, especially suitable for glycosylation and other hydrophilic modifications. | |
| RPLC-Based Modified Peptide Enrichment Service | High-resolution separation commonly used before mass spectrometry, often combined with other enrichment methods. | |
| IMAC-Based Modified Peptide Enrichment Service | Selective enrichment of phosphorylated peptides using affinity between metal ions and phosphate groups. | |
| MOAC-Based Modified Peptide Enrichment Service | Uses TiO₂, ZrO₂, etc., suitable for capturing low-abundance phosphorylated peptides. | |
| Immunoaffinity Precipitation-Based Modified Peptide Enrichment Service | Specific enrichment of acetylation, methylation, ubiquitination, and other modifications using antibodies. | |
| M-LAC-Based Modified Peptide Enrichment Service | Broad glycan enrichment using multiple lectins. | |
| Quantitative Service | SILAC-Based Quantitative PTM Service | Accurate cell-level comparison through metabolic labeling. |
| TRAQ/TMT-Based Quantitative PTM Service | Multiplexed quantification of multiple samples in one experiment. | |
| Label-Free-Based Quantitative PTM Service | No labeling required, suitable for large-scale exploratory studies. | |
| DIA/SWATH-Based Quantitative PTM Service | High coverage and low missing values, suitable for clinical samples. | |
| MS-Based Analysis Service | Top-Down MS-Based Post-Translational Modification Analysis Service | Direct analysis of intact proteins without digestion, retaining sequence and overall PTM distribution, suitable for isoform and multi-modification studies. |
| Bottom-Up MS-Based Post-Translational Modification Analysis Service | Proteins digested into peptides, followed by LC-MS/MS, the most common approach for large-scale identification and quantification of sites. | |
| Middle-Down MS-Based Post-Translational Modification Analysis Service | Partial digestion into medium-length fragments, balancing global structure and site-level details, suitable for regional modification analysis. | |
| Post-Translational Modification Crosstalk Prediction Service | Studies interactions among modifications. | |
| Post-Translational Modification Site Prediction Service | Predicts potential modification sites via experimental and computational approaches. | |
| Post-Translational Modification Site Motif Analysis Service | Identifies common sequence motifs of modifications. | |
| Post-Translational Modification Functional Analysis Service | Maps modifications to cellular functions and disease mechanisms. | |
| enables parallel investigation of protein expression, binding events, and post-translational modifications. |
Analysis Workflow
1. Sample Preparation: Clients provide cells, tissues, or body fluids that meet requirements, followed by extraction and pretreatment.
2. Modified Peptide Enrichment: Target modifications selectively enriched according to research goals.
3. Mass Spectrometry Detection: High-resolution LC-MS/MS used for data acquisition.
4. Data Processing: Raw data undergoes quality control, peptide identification, and modification localization.
5. Bioinformatics Analysis: Quantitative comparison, functional enrichment, and pathway analysis with visualization.
Figure 1. Workflow of Bottom-Up PTM Proteomics
Service Advantages
1. Advanced Platform
MtoZ Biolabs is equipped with multiple high-resolution mass spectrometry systems, including Thermo Fisher Orbitrap Fusion Lumos, Q Exactive HF, and TripleTOF platforms, integrated with Nano-LC systems. This setup supports diverse research needs, from low-abundance modification detection to large-scale quantitative comparisons.
2. Experienced Team
MtoZ Biolabs has a technical team with long-term experience in proteomics and post-translational modification research, familiar with the handling and detection characteristics of different sample types. With years of accumulated expertise, we can design appropriate experimental routes based on client requirements, ensuring reliable and interpretable results.
3. One-Time Charge
Our pricing is transparent, with no hidden fees or additional costs.
Applications
✔️ Basic Research: Explore the molecular mechanisms of protein modifications and their roles in signal transduction, metabolic regulation, and gene expression.
✔️ Disease Research: Investigate abnormal PTMs in cancer, neurodegenerative diseases, autoimmune disorders, etc., providing evidence for biomarker screening.
✔️ Drug Development: Monitor dynamic changes in modifications to identify potential targets and mechanisms, accelerating drug discovery and validation.
✔️ Biopharmaceutical Quality Control: Applied in antibody, recombinant protein, and other product development for structural characterization and functional verification, ensuring product safety and efficacy.
With a complete technology platform and a professional team, MtoZ Biolabs provides systematic PTM research solutions for scientific and industrial clients. From modified peptide enrichment to mass spectrometry analysis, and from data interpretation to application translation, we are committed to offering reliable support for your research. Contact us to advance proteomics and life science exploration together.

