Alpha helix: structure, bonding, and biological roles Alpha helix The alpha helix is a common protein secondary structure: a right-handed helical backbone stabilized by regular hydrogen bonds, important in enzymes, structural proteins, and membra…
Keratin: structure, functions, and biological roles Keratin Keratin is a family of fibrous proteins that form hair, nails, horns, feathers and other tough, insoluble structures in animals. This article explains its types, formation, propert…
