2 articles
Myosin
Myosin: actin-based ATPase motor protein family, first named by Kühne in 1864; powers muscle contraction and cargo transport; over 30 classes, 38 human genes, disease-linked.
Sliding filament theory
Sliding filament theory: the 1954 Huxley–Niedergerke and Huxley–Hanson model of muscle contraction in which actin and myosin filaments slide past each other, shortening sarcomeres without filament length change, powered by ATP-driven myosin cross-bridges and triggered by calcium.