Fig 2 (IMAGE) Osaka University Caption Crystal structure of PEDF in complex with the collagen model peptide. PEDF and the collagen model peptide are shown as cartoon and stick representations, respectively. The cell surface receptor-binding region on PEDF is colored salmon pink. The lysine residue susceptible to intermolecular crosslinking in collagen fibrils is shown as a sphere model. Credit Osaka University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.