2VDK:
reference: Structural basis for distinctive recognition of fibrinogen gammaC peptide by the platelet integrin alphaIIbbeta3., Springer TA, Zhu J, Xiao T, J Cell Biol. 2008 Aug 25;182(4):791-800. Epub 2008 Aug 18. PMID: 18710925

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).