Alpha-keratin is a protein present in which thing?
Alpha-keratin is a type of keratin found in vertebrates. This protein is the primary component in hairs, mammalian claws, 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. Alpha-kertin is available in Wool. The secondary structure of α-keratin is very similar to that of a traditional protein α-helix and forms a coiled coil.