4WPB:
reference: Targeting diverse protein-protein interaction interfaces with alpha/beta-peptides derived from the Z-domain scaffold., Checco JW, Kreitler DF, Thomas NC, Belair DG, Rettko NJ, Murphy WL, Forest KT, Gellman SH, Proc Natl Acad Sci U S A. 2015 Mar 30. pii: 201420380. PMID: 25825775

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).