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
Nine Inch Nails Nine Inch Nails. However, Reznor typically forms a backing group of musicians to perform the songs in a live setting. This live band, also known as Nine Inch Nails, rearranges the band's studio catalog and creates a different sound than that of Reznor's studio recordings. Band members have occasionally been invited to participate in the recording process, but creative control within the studio has always been exclusively with Reznor. The Tapeworm project was created in 1995 as a Nine Inch Nails side-project between Reznor and various live-band members as a more "democratic" creative environment. The band initially included live band