Resources

Proteomics Databases



Metabolomics Databases

• • Protein Expression Proteomics

  Protein expression proteomics is a field dedicated to exploring the expression levels and dynamic changes of proteins within organisms. At its core, it employs advanced experimental techniques and bioinformatics to elucidate the expression patterns and functional significance of proteins under various biological conditions. In living systems, proteins, which are products of gene expression, serve as crucial molecules that execute diverse biological functions. The expression levels of these proteins ar......

• • Protein Crosslinking Mass Spectrometry

  Protein crosslinking mass spectrometry (PCMS) is a powerful technique for investigating protein-protein interactions and their three-dimensional structures. This method employs chemical crosslinkers to form covalent bonds between amino acid residues of adjacent proteins or within specific sites of a protein. Such crosslinking stabilizes protein complexes, allowing researchers to analyze their structure and function. Mass spectrometry then examines these crosslinked molecules, revealing precise interac......

• • Protein Correlation Profiling

  Protein correlation profiling is a method used to investigate the interactions and functional relationships between proteins, aimed at understanding how proteins collaborate to carry out complex biological functions. In cellular environments, proteins engage in complex interaction networks, forming functional modules rather than acting in isolation. These modules are essential in processes such as signal transduction, gene regulation, and metabolic control. Protein correlation profiling can dissect th......

• • Protein Coverage Mass Spectrometry

  Protein coverage mass spectrometry is a high-resolution analytical method utilized to assess the coverage of protein amino acid sequences, extensively used in proteomics research and biopharmaceutical development. This technique enables the precise analysis of protein peptide fragments via mass spectrometry, producing coverage maps to verify whether a protein's complete or partial sequence is detected. The extent of protein coverage is indicative of the analysis's depth and precision, crucial for eluc......

• • Protein Concentration Analysis

  Protein concentration analysis is a technique aimed at determining the protein content in biological samples, with widespread applications in life sciences research and biopharmaceutical development. Proteins, as fundamental components of biomolecules, are central to cellular functions, signal transduction, and metabolic regulation. Accurate protein concentration measurement is essential not only for basic biological experiments but also for applications such as disease diagnosis, drug development, an......

• • Advances in Protein Content Analysis Methods

  Protein content analysis is a critical technique for quantitatively measuring the total amount of protein in a sample, and it is fundamental to life sciences research and industrial applications. As key mediators of biological functions, proteins maintain cellular processes, regulate physiological activities, and enable adaptation to environmental changes. Analyzing protein content allows researchers to obtain essential biological information about a sample, supporting subsequent functional studies, d......

• • Protein Complex Analysis

  Protein complex analysis is a technique used to study the interactions between proteins and their compositions. By revealing the structure, function, and dynamic changes of protein complexes, it helps scientists understand the complex biological processes occurring within organisms. A protein complex refers to a functional unit formed by two or more proteins through specific physical and chemical interactions. These complexes perform a variety of biological functions within the cell, such as signal tr......

• • Protein Composition Analysis

  Protein composition analysis is a crucial methodology for investigating the variety, abundance, and dynamic alterations of proteins in biological samples. By elucidating the complex network and functional mechanisms of proteins, it drives forward both fundamental research and applied developments in life sciences. As essential components of living organisms, proteins participate in nearly all biological processes. This analysis assists scientists in understanding cellular molecular changes under diffe......

• • Plant Protein Complete Amino Acid Profile

  Plant protein complete amino acid profile is a key research area for assessing the nutritional value and functional characteristics of plant proteins. With advantages such as abundant sources and environmental sustainability, plant proteins have become a popular choice for human dietary protein and industrial applications. Amino acids are the basic building blocks of proteins, and their types and proportions directly determine the quality, functionality, and potential applications of plant proteins. C......

• • Peptide Fragment Fingerprinting

  Peptide fragment fingerprinting (PFF) is a crucial tool for analyzing protein structures and identifying proteomes. Utilizing mass spectrometry, this technique analyzes peptides derived from protein hydrolysis to produce distinctive mass spectra. Each protein generates a unique peptide fragment fingerprint during mass spectrometry analysis, akin to a personal fingerprint. This distinctiveness makes PFF an essential method for protein identification and quantification in proteomic research. PFF plays a......