3FYX:
reference: On the function and structure of synthetically modified porins., Reitz S, Cebi M, Reiss P, Studnik G, Linne U, Koert U, Essen LO, Angew Chem Int Ed Engl. 2009;48(26):4853-7. PMID: 19322865

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