3K6I:
reference: T-cadherin structures reveal a novel adhesive binding mechanism., Ciatto C, Bahna F, Zampieri N, VanSteenhouse HC, Katsamba PS, Ahlsen G, Harrison OJ, Brasch J, Jin X, Posy S, Vendome J, Ranscht B, Jessell TM, Honig B, Shapiro L, Nat Struct Mol Biol. 2010 Mar;17(3):339-47. Epub 2010 Feb 28. PMID: 20190755

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