Inhibits fibrinogen interaction with platelets. Acts by binding to alpha-IIb/beta-3 (ITGA2B/ITGB3) on the platelet surface and inhibits aggregation induced by ADP, thrombin, platelet-activating factor and collagen. Monomer. Expressed by the venom gland. Exists in 3 forms in the venom. The forms A, B, and C are present at 53%, 32% and 15%. The forms A and B differ by their disulfide bond pattern in the N-terminal part. No information is known about form C. The disintegrin belongs to the long disintegrin subfamily. Belongs to the venom metalloproteinase (M12B) family. P-II subfamily. P-IIa sub-subfamily.