Cryo-Electron Microscopy (Cryo-EM)
Cryo-electron microscopy has revolutionized structural biology by enabling visualization of biomolecules at near-atomic resolution without the need for crystallization. Rapid freezing techniques preserve native conformations, allowing accurate structural analysis of proteins, nucleic acids, and macromolecular assemblies. Technological advancements in direct electron detectors, image processing algorithms, and computational reconstruction have significantly improved resolution and efficiency. Cryo-EM plays a critical role in studying membrane proteins, viral particles, ribosomes, and large protein complexes that are challenging for other methods. Structural insights derived from cryo-EM contribute to vaccine development, drug discovery, and mechanistic understanding of cellular machinery. Continuous innovation in sample preparation and data refinement enhances reproducibility and structural validation. The growing accessibility of cryo-EM facilities worldwide continues to expand its impact across biomedical research and pharmaceutical sciences.