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. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: Curr Opin Cell Biol. 2012 Jul 6;24(5):620–627. doi: 10.1016/j.ceb.2012.05.014

Figure 1.

Figure 1

Cadherin structures. (A) Crystal structure of the extracellular region of Xenopus C-Cadherin showing the W2 residue (green VDW structure), and calcium ions (yellow VDW structures). (B) Strand-swapped dimer between E-cadherin EC1–2 fragments. Here the W2 residues (gray VDW structures) bridge the apposing EC1 domains. (C) X-dimer of the W2A mutant of E-cadherin EC1–2 fragments. The adjacent domains form a tetrahedral structure with extensive contacts at the inter-domain junction.