| 1KDU: reference: Solution structure of the kringle domain from urokinase-type plasminogen activator., Li X, Bokman AM, Llinas M, Smith RA, Dobson CM, J Mol Biol. 1994 Feb 4;235(5):1548-59. PMID: 8107091 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).