Structural insights into triple-helical collagen cleavage by matrix metalloproteinase 1 - Manka, SW; Carafoli, F; Visse, R; Bihan, D; Raynal, N; Farndale, RW; Murphy, G; Enghild, JJ; Hohenester, E; Nagase, H (PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2012)