Protein characterization is the process of identifying and analyzing the properties of proteins, which are essential molecules in living organisms. This involves determining their structure, function, and interactions with other biomolecules. Techniques such as mass spectrometry, NMR spectroscopy, and X-ray crystallography are commonly used to gather detailed information about proteins. Understanding protein characteristics is crucial for various fields, including biochemistry, pharmacology, and biotechnology. By characterizing proteins, scientists can develop new drugs, improve industrial enzymes, and explore the mechanisms of diseases. This knowledge helps in advancing research and applications in health and technology.