Glycoprotein VI is a major collagen receptor for platelet activation: it recognizes the platelet-activating quaternary structure of collagen, whereas CD36, glycoprotein IIb/IIIa, and von Willebrand factor do not - Kehrel, B; Wierwille, S; Clemetson, KJ; Anders, O; Steiner, M; Knight, CG; Farndale, RW; Okuma, M; Barnes, MJ (Blood, 1998)