Fibril and hence the whole muscle. Elastin is a fibrous protein common in various soft tissues, like skin, blood vessels and lung tissue. Each monomer connects with each other, forming a 3D network, with ability to endure over 200% strain before deformation. Keratin is a structural protein mainly found in hair, nails, hooves, horns, quills. Basically keratin is formed by polypeptide chains, which coil into α-helices with sulfur cross-links or bond into β-sheets linked by hydrogen bonding. β-keratin, which is tougher than α-conformation, is more common in birds and reptiles. Resilin is an elastomeric insect protein, consisting of both α-helices and
Skin Deep (The Outer Limits) Skin Deep (The Outer Limits) "Skin Deep" is an episode of "The Outer Limits" television show. It was first-aired at 4 February 2000, during the sixth season. Sid Camden gets a hold of an experimental holographic disguise device that allows him to acquire the image of his handsome co-worker, Chad Warner... Sid Camden, a rather unremarkable, socially inept man, works in an accounting department of a high-tech company known as "Veil-Tech". He spends much of his spare time in chatrooms. One day Hal, one of the project managers, secretly loans Sid a prototype of one of the company's latest developments