Resources

Proteomics Databases



Metabolomics Databases

• • PhIP-Seq for Cohort Studies: Designing Case-Control Comparisons and Antibody Signature Discovery

  Learn when PhIP-Seq is the right choice for cohort-based antibody discovery, how to structure case-control comparisons, and how to define candidate antibody signatures with defensible analysis and validation planning.

• • How to Choose a Peptide Library for PhIP-Seq: Proteome-Wide, Pathogen-Focused, and Custom Designs

  Choose the right PhIP-Seq peptide library by matching study goals to proteome-wide, pathogen-focused, or custom designs.

• • Common PhIP-Seq Troubleshooting Questions: Weak Enrichment, Background Signals, and Library Coverage

  Learn how to troubleshoot weak enrichment, background signal, and uneven library coverage in PhIP-Seq data by separating assay setup issues from library performance, sequencing allocation, and analysis threshold problems.

• • Interpreting PhIP-Seq Results: Enriched Peptides, Cross-Reactivity, Controls, and Biological Relevance

  Technical guide for interpreting enriched peptides, controls, cross-reactivity, and validation readiness in phip seq analysis.

• • PhIP-Seq Applications in Autoantibody and Antigen Discovery: When the Method Fits the Research Question

  Technical guide for evaluating when PhIP-Seq fits autoantibody profiling, antigen discovery, and downstream validation planning.

• • Planning a PhIP-Seq Project: Sample Requirements, Controls, Library Choice, and Deliverables

  Technical guide for Planning a PhIP-Seq Project: Sample Requirements, Controls, Library Choice, and Deliverables.

• • PhIP-Seq vs Traditional Serology and Protein Arrays: Choosing the Right Antibody Profiling Method

  Compare PhIP-Seq, ELISA-style serology, and protein arrays for antibody profiling. Learn when to choose peptide-level discovery, targeted antigen testing, multiplex protein screening, or a staged validation workflow.

• • How to Quantify Histone Malonylation Levels?

  With the continuous advancement of metabolic epigenetics, research on histone post-translational modifications has progressively shifted from determining whether modifications occur to understanding how modification levels dynamically fluctuate under different biological conditions. Among these modifications, histone malonylation has emerged as a critical regulatory mechanism linking cellular metabolism to chromatin regulation, making it a major focus in the interdisciplinary fields of proteomics and ......

• • How to Perform Histone Malonylation Proteomics Analysis?

  Histone malonylation is an emerging histone acylation modification that has gained considerable attention in epigenetics and metabolic research in recent years. By introducing malonyl groups onto lysine residues of histones, histone malonylation can alter chromatin architecture and regulate gene expression, thereby providing new insights into the interplay between metabolism and epigenetic regulation. To comprehensively elucidate the biological functions of histone malonylation, proteomics analysis ha......

• • How to Analyze PhIP-Seq Data: From Peptide Enrichment to Antibody Signature Interpretation

  A practical workflow for PhIP-Seq analysis, covering count normalization, peptide enrichment, hit calling, antigen annotation, antibody signature interpretation, and validation planning.