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)