Posts by vivian

Introduction Why do some drugs successfully treat diseases while others—seemingly perfect molecules—fail in clinical trials? The answers often lie in a microscopic world tens of thousands of times smaller than the width of a human hair, hidden deep inside our cells.In this world, proteins play starring roles. They are the messengers that transmit signals, and the gateways that viruses exploit to break in. For decades, scientists could only infer the shapes of these proteins through indirect experiments—like trying to determine…