Alpha-keratin Alpha-keratin Alpha-keratin, or α-keratin, is a type of keratin found in mammals. This protein is the primary component in hairs, horns, nails and the epidermis layer of the skin. α-keratin is a fibrous structural protein, meaning it is made up of amino acids that form a repeating secondary structure. The secondary structure of α-keratin is very similar to that of a traditional protein α-helix and forms a coiled coil. Due to its tightly wound structure, it can function as one of the strongest biological materials and has various uses in mammals, from predatory claws to hair for warmth. α-keratin is
The Skin I Live In about to be used malevolently, assume a dreamy, otherworldly quality. "The Skin I Live In" is the work of a master near the top of his game." Upon its UK premiere, Peter Bradshaw gave it (four of five stars), calling it "fantastically twisted" and "a truly macabre suspense thriller"—"Banderas is a wonderfully charismatic leading man; Almodóvar has found in him what Hitchcock found in Cary Grant. He is stylish, debonair, but with a chilling touch of determination and menace." In an October 2011 "New York Times" Critics' Pick review, Manohla Dargis called the film "an existential mystery, a melodramatic thriller,