3LT8:
reference: Three-Dimensional Structures Reveal Multiple ADP/ATP Binding Modes for a Synthetic Class of Artificial Proteins ., Simmons CR, Magee CL, Smith DA, Lauman L, Chaput JC, Allen JP, Biochemistry. 2010 Sep 16. PMID: 20822107

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