File:Tropocollagen cross linkage lysyl oxidase (EN).svg Wikimedia Commons Proteolytic processing of lysyl oxidaselike 2 in the extracellular matrix is required for crosslinking of basement membrane collagen IV Journal of Biological Chemistry Origin and evolution of lysyl oxidases Scientific Reports Collagen Cross Links as a Determinant of Bone Quality Musculoskeletal Key Developing functional musculoskeletal tissues through hypoxia and lysyl oxidase induced collagen cross linking PNAS Proteolytic processing of lysyl oxidaselike 2 in the extracellular matrix is required for crosslinking of basement membrane collagen IV Journal of Biological Chemistry