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
The Keg of Nails 2014. Cincinnati leads the series 30–22–1. The Keg of Nails The Keg of Nails is a traveling trophy continuously-awarded to the winner of the American college football rivalry game between the Cincinnati Bearcats and Louisville Cardinals. The rivalry has stretched over the span of four conferences from the Missouri Valley Conference, to the Metro Conference to Conference USA, and more recently in the Big East Conference, which in 2013 was renamed to the American Athletic Conference. It is believed to be the oldest rivalry for the Louisville football team and the second oldest for Cincinnati, only behind the annual game