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Stereo view of the PTPRGCA·CNTN4Ig1-4 interface. This view is in the same orientation as the right view in Fig. 5. Residues are shown as ball-and-sticks with transparent gray spheres for those involved in van der Waals contacts. Dashed lines indicate potential hydrogen bonds and salt bridges. Residues from CNTN4Ig2, CNTN4Ig3, and PTPRGCA are colored green, gold, and magenta, respectively.
