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. Author manuscript; available in PMC: 2009 Oct 3.
Published in final edited form as: J Mol Biol. 2008 Jul 22;382(2):448–457. doi: 10.1016/j.jmb.2008.07.037

Figure 1. The organization of the platelet GP Ib-IX complex.

Figure 1

The complex consists of one Ibα, two Ibβ, and one IX subunit, all of which are type I transmembrane proteins. Two juxtamembrane disulfide bonds link Ibα and Ibβ subunits. The extracellular domains of all subunits contain leucine-rich repeats. A parallel 4-helical bundle model has been proposed for TM domains of the GP Ib-IX complex19. This illustration is adapted from earlier publications2; 12.