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Proteomics Databases



Metabolomics Databases

• • How to Determine Protein Molecular Weight for Precise Research Findings

  Precise molecular weight data not only aid researchers in understanding protein structure and function, but also play a critical role in areas such as biopharmaceuticals, protein interaction studies, and disease biomarker discovery. However, obtaining high-precision and reproducible protein molecular weight data remains challenging due to the inherent complexity of proteins and the limitations of various measurement techniques. This paper will explore strategies for determining protein molecular weigh......

• • 12 Proven Ways to Determine Protein Molecular Weight

  The molecular weight of a protein is one of its fundamental physicochemical properties and is essential for studying protein structure, function, and biological activity. It is of great significance to accurately determine protein molecular weight in areas such as protein purification, proteomics research, drug development, and genetic engineering. Currently, various methods are available to determine protein molecular weight, each with its own scope of application and advantages. This paper provides ......

• • Protein Molecular Weight Determination: Techniques, Applications, and Historical Developments

  Protein Molecular Weight Determination plays a crucial role in both fundamental research and the development and production of pharmaceuticals. Accurate measurement of protein molecular weights is vital to the success of research endeavors and the development of products. Advancements in technology have continuously refined the methods available for determining protein molecular weights, equipping researchers with more efficient and precise analytical tools. In the realm of biotechnology, these method......

• • Antibody Molecular Weight Determination: Methods, Advantages and Applications

  Antibodies are a class of highly specific proteins that play vital roles in the immune system, disease treatment, diagnostic reagents, and biopharmaceuticals. The molecular weight of antibodies is typically around 150 kDa (for IgG), but due to different subtypes, post-translational modifications, degradation, or aggregation states, their actual molecular weight may vary. Therefore, accurate antibody molecular weight determination is essential for drug development, quality control, and structure-functi......

• • Peptide Sequencing Service for Protein Analysis

  In the domain of proteomics, peptide sequencing services are instrumental in enabling researchers to decode complex protein networks and their functions. Peptide sequencing involves utilizing advanced technologies to elucidate the sequence of proteins or peptides, thereby providing researchers with detailed information regarding amino acid sequences. Sequencing and analyzing peptides produced during manufacturing processes ensure product purity and consistency, thereby maintaining the quality of biote......

• • Isolation, Purification, and Characterization of Protein

  The isolation, purification, and characterization of protein involve processing complex biological samples using a series of specialized techniques to extract, purify, and analyze protein molecules. Proteins play a fundamental role in cellular structure and function, and comprehensive protein studies are essential for understanding biological processes and their regulatory mechanisms. The systematic isolation, purification, and characterization of protein enable researchers to investigate its structur......

• • Enzyme Characterization Methods

  Enzyme characterization methods are essential for examining the physical, chemical, and biological properties of enzymes. These protein molecules catalyze biochemical reactions within organisms with remarkable efficiency and specificity. Characterizing enzymes enhances our understanding of biochemical pathways, aids in drug development, improves the application of industrial enzymes, and optimizes biological processes. In biomedicine, enzyme characterization methods help to reveal the mechanisms of di......

• • Enzyme Characterization Techniques

  Enzyme characterization techniques comprise a set of methods in biochemistry and molecular biology, specifically designed to explore the structural, functional, and kinetic properties of enzymes. These proteins catalyze essential biochemical reactions and are ubiquitous in living organisms, playing crucial roles in nearly all biological processes. Through various experimental methodologies and analytical tools, enzyme characterization techniques enable the precise assessment of enzyme activity, stabil......

• • De Novo Sequencing Using Mass Spectrometry

  De Novo sequencing using mass spectrometry is a pivotal technique for elucidating the amino acid sequences of proteins and peptides. By accurately measuring the mass-to-charge ratios of ionized molecules or molecular fragments, mass spectrometry provides detailed insights into their composition and structure. Typically, De Novo sequencing incorporates liquid chromatography-tandem mass spectrometry (LC-MS/MS) for the efficient separation and analysis of complex biological samples. This methodology is e......

• • Edman Method of Protein Sequencing

  The Edman method of protein sequencing is based on the reaction of phenyl isothiocyanate (PITC) with the N-terminal amino acid of a polypeptide chain, forming a labeled derivative that is subsequently cleaved under acidic conditions. This step enables the sequential identification of amino acids, with one residue being determined per reaction cycle. By iterative cycles, the complete sequence of the polypeptide chain can be elucidated.   In biomedical research, determining protein sequences is crucial ......