1NCG:
reference: Structural basis of cell-cell adhesion by cadherins., Shapiro L, Fannon AM, Kwong PD, Thompson A, Lehmann MS, Grubel G, Legrand JF, Als-Nielsen J, Colman DR, Hendrickson WA, Nature 1995 Mar 23;374(6520):327-37. PMID: 7885471

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