Curdlan is a polysaccharide produced by bacteria.

Neuronostatin-13 (Human) is a 13 amino acid residue peptide with carboxyl-terminal amidation, the primary structure is conserved in human chimpanzee and some other mammals.

Arg-Gly-Asp-Cys is the binding motif of fibronectin and cell adhesion molecules, which can inhibit platelet aggregation and fibrinogen binding.