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
In the Castle of My Skin In the Castle of My Skin In the Castle of My Skin is the first and much acclaimed novel by Barbadian writer George Lamming, originally published in 1953 by Michael Joseph in London, and subsequently published in New York City by McGraw-Hill. The novel won a Somerset Maugham Award and was championed by eminent figures Jean-Paul Sartre and Richard Wright, the latter writing an introduction to the book's US edition. An autobiographical novel, set in the 1930s–'40s in Carrington Village, Barbados, where the author was born and raised, "In the Castle of My Skin" follows the events in a young