Inhibits integrins alpha-IIb/beta-3 (ITGA2B/ITGB3), alpha-V/beta-3 (ITGAV/ITGB3), and alpha-5/beta-1 (ITGA5/ITGB1). Heterodimer with CC8A; disulfide-linked. Expressed by the venom gland. Belongs to the disintegrin family. Dimeric disintegrin subfamily.