2FIB:
reference: The primary fibrin polymerization pocket: three-dimensional structure of a 30-kDa C-terminal gamma chain fragment complexed with the peptide Gly-Pro-Arg-Pro., Pratt KP, Cote HC, Chung DW, Stenkamp RE, Davie EW, Proc Natl Acad Sci U S A 1997 Jul 8;94(14):7176-81. PMID: 9207064

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