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. Author manuscript; available in PMC: 2009 May 1.
Published in final edited form as: Methods. 2008 May;45(1):65–74. doi: 10.1016/j.ymeth.2008.01.002

Fig. 2.

Fig. 2

Chemical pathway of cross-linking interactions initiated by lysyl oxidase that predominates in skeletal tissue collagens. Bone collagen features both pyrrole and pyridinoline cross-links whereas mature cartilage contains only pyridinolines. Lysines of triple-helix and telopeptide origin are tracked by color to the mature cross-linking structures.