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
Pro Nails Pro Nails "Pro Nails" is the second single by American hip hop artist Kid Sister from her debut album "Ultraviolet" (formerly known as "Dream Date"). The song is better known for its remix, which features a verse by Kanye West. The single was originally released in 2007 and reissued in 2008. Originally a solo track, Kanye West added a guest verse to the song for his 2007 "Can't Tell Me Nothing" mixtape. West discovered the song through A-Trak, who had begun dating Kid Sister. "Pro Nails" was initially released on both 12" vinyl and via the iTunes Store on October