1N86: Crystal Structure Of Human D-Dimer From Cross-Linked Fibrin With Gpr And Ghrpldk Peptide Ligands.
reference: The crystal structure of fragment double-D from cross-linked lamprey fibrin reveals isopeptide linkages across an unexpected D-D interface., Yang Z, Pandi L, Doolittle RF, Biochemistry 2002 Dec 31;41(52):15610-7. PMID: 12501189

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