Resources
Proteomics Databases
Metabolomics Databases
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The human protein interactome is a vital area of contemporary life sciences research, representing the complex network formed by protein interactions both inside and outside of cells. As essential molecular participants in nearly all biological processes-such as signal transduction, metabolic regulation, cell cycle control, and immune response-proteins typically do not function in isolation. Instead, they form intricate networks through interactions, enabling specific biological functions. Therefore, ......
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• Antibody Screening and Identification
Antibody screening and identification are critical steps in life sciences research and the development of biopharmaceuticals. Antibodies play a vital role in the immune system's ability to recognize and neutralize pathogens, and therefore have broad applications in disease diagnosis, treatment, and research. This process involves selecting antibodies from a pool of candidates that possess specific target-binding capabilities and the required characteristics. Typically, this process encompasses the con......
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• End-Group Analysis of Protein
End-group analysis of protein is a technique in proteomics research primarily used to determine the amino acid sequences at both termini of protein molecules. Typically, protein ends include the N-terminus (amino terminus) and the C-terminus (carboxyl terminus). This analysis not only provides structural information but also elucidates various biological functions. For example, the N-terminus is closely linked to signal peptide recognition, protein localization, and cellular half-life, while the C-ter......
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• End-Group Analysis of Peptides
End-group analysis of peptides is a technique in proteomics research used to study and identify the start and end positions of amino acid sequences in proteins or peptide chains. This analysis not only aids scientists in understanding protein structure and function but also reveals the metabolic pathways and mechanisms of action within organisms. The peptide end groups-typically referring to the N-terminus (amino terminus) and the C-terminus (carboxyl terminus)-are critical for protein bioactivity and......
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• Detecting Phosphorylated Proteins
Detecting phosphorylated proteins refers to the process of identifying and analyzing the presence and localization of phosphate groups on protein molecules using specific experimental techniques and methods. Phosphorylation, the most common type of post-translational modification (PTM) in proteins, regulates protein activity, localization, and interactions by adding phosphate groups to serine, threonine, or tyrosine residues. It plays a critical role in biological processes such as cell signaling, met......
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• Characterization of Biologics and Biosimilars
Characterization of biologics and biosimilars is a critical step in evaluating their quality, safety, and efficacy. Biologics refer to therapeutic proteins, antibodies, vaccines, cell therapy products, and similar agents produced by living cells, and are widely used in the treatment of cancer, autoimmune disorders, and rare diseases. Owing to the complex structure of biologics, their characterization involves a variety of analytical techniques and rigorous quality control methods to ensure drug safety......
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• Capillary Electrophoresis Protein Analysis
Capillary electrophoresis protein analysis is a highly effective separation technique that leverages narrow-diameter capillaries and high-voltage electric fields to facilitate the movement of protein molecules in an electrolyte solution, leading to efficient separation and analysis. This method is extensively employed in biochemical and molecular biology research for the purposes of protein separation, purification, characterization, and quantitative analysis. The principle underlying this technique d......
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Secretome proteomics is a branch of modern biotechnology research dedicated to investigating the composition and function of proteins secreted by cells. By examining these proteins in the extracellular environment, it elucidates the interactions between cells and their surroundings. Secreted proteins are vital in processes such as development, immune responses, signal transduction, and disease progression. For instance, cytokines, hormones, and growth factors, as secreted proteins, are integral to imm......
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Residual protein analysis is a technique employed to detect and quantify trace proteins in biological samples and processed products, significantly impacting the biopharmaceutical and food processing sectors. In the biopharmaceutical industry, ensuring that drug product impurities remain within safe limits is crucial for guaranteeing safety and efficacy. Similarly, the food processing industry must prevent foreign proteins introduced during production from posing allergenic or health risks to consumer......
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• Qualitative Analysis of Amino Acids and Proteins
Qualitative analysis of amino acids and proteins is extensively applied in proteomics, metabolomics, and biomedical research. As fundamental building blocks of proteins, amino acids play crucial roles, with proteins serving as primary agents in virtually all biological processes. Proteins are indispensable in contexts ranging from cellular architecture and molecular signal transduction to enzymatic activity and immune response. The primary objective of qualitative analysis is to identify and character......
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