Resources

• • Protein Mass Spectrometry Sequencing Revealing the Secrets of Protein Sequences

  Proteins are diverse and essential molecules in living organisms, and understanding their sequences is crucial for revealing biological processes, drug development, and disease diagnosis. In this respect, protein mass spectrometry sequencing technology, as a highly efficient and accurate method, provides us with an important tool to unravel the mysteries of protein sequences.   Protein mass spectrometry sequencing technology is a method to determine the protein sequence by analyzing the mass spectrome......

• • Predicting Protein Molecular Weight Based on the Amino acid Sequence

  Proteins are important biomolecules that exist ubiquitously in living organisms and play key roles in numerous biological processes. Understanding the molecular weight of proteins is crucial for elucidating their structure, function, and applications in the field of biopharmaceuticals. However, experimental methods for directly measuring the molecular weight of proteins are not always convenient or feasible. How to predict the molecular weight of a protein based on its amino acid sequence?

• • Detection of Ubiquitination Levels: Connection Between Protein Degradation and Cellular Function

  Protein degradation is an important biological process in cells, regulating many life activities within cells. Ubiquitination, as a major protein modification method, plays a key role in the process of protein degradation. Ubiquitination marks these proteins by connecting ubiquitin proteins to specific locations on target proteins, so they can be recognized and degraded by ubiquitin enzymes. However, the level and specificity of ubiquitination are significant for the regulation of cell functions.

• • The Biological Significance of N-Terminal Amino Acid Sequencing Determination

  Protein is the basic building block of life, playing a key role in various biological processes. Understanding the structure and function of proteins is of great significance in revealing the mechanisms of biological processes and developing new drugs. In this field, N-terminal amino acid sequence determination is a key technology that can reveal the N-terminal amino acid sequence of proteins and provide us with important information about proteins.

• • Application and Breakthrough of Mass Spectrometry Technology in Amino Acid Sequencing

  The research and production of biological drugs are crucial to the development of human health and the medical field. In the field of biopharmaceuticals, understanding the amino acid sequence of proteins is essential for drug design, production, and quality control. With the continuous advancement of science and technology, mass spectrometry has become an important tool for determining amino acid sequences in the field of biological drugs.

• • The Role of Phosphorylation Sites in Ubiquitination

  Phosphorylation is a common form of protein modification, which alters the structure and function of a protein by introducing a phosphate group into the protein molecule. Phosphorylation is a crucial mechanism in cellular signal transduction and is involved in numerous biological processes such as cell proliferation, differentiation, apoptosis, metabolism, etc.   Role of Phosphorylation Sites Phosphorylation sites refer to the specific amino acid residues in a protein molecule that are phosphorylated.......

• • Protein Sequencing: A Key Method for Analyzing Protein Structure and Function

  Proteins are indispensable molecules in life activities, and the analysis of their structure and function is of great importance for revealing biological processes and disease mechanisms. Protein sequencing, as a key method to decipher protein structure and function, plays an indispensable role.   The structure of a protein determines its function, while the sequence of a protein is the basis of its structure. The goal of protein sequencing is to determine the order of amino acids in protein molecules......

• • The Structure, Function and Interactions of Peptides

  Our bodies are built from countless biomolecules. Among them, polypeptides, substances composed of several to several hundred amino acids, are one of the most fundamental and important components of this complex life system. They can form various important biomacromolecules, such as enzymes, antibodies, receptors, and hormones, and control various key physiological processes in life. From basic scientific research laboratories to pharmaceutical industrial practices, polypeptide analysis is a focus of ......

• • Phosphorylated Protein Detection: Investigating Novel Target in Disease Treatment

  Phosphoprotein detection is an important field in biopharmaceutical research. It helps scientists understand the regulatory mechanisms of cell signaling pathways by detecting phosphorylation modifications on proteins. Phosphoprotein detection can not only reveal the pathogenesis of diseases but also provide new targets for drug development.   Phosphorylation is a common protein modification method. It changes the structure and function of proteins by adding phosphate groups to specific amino acid resi......

• • The Impact of Sample Preparation on Quantitative Results in Quantitative Proteomics

  Proteomics is the field of science that studies the complete set of proteins, their structure, and functions within a biological organism. In proteomics research, quantitative analysis is a key aspect that helps us understand the quantity of proteins and their changes under different conditions. However, to obtain accurate and reliable quantitative results, sample preparation is crucial.   Quantitative proteomics aims to measure the quantity of proteins in different samples and compare their expressio......