4JML:
reference: Intrinsically disordered protein threads through the bacterial outer-membrane porin OmpF., Housden NG, Hopper JT, Lukoyanova N, Rodriguez-Larrea D, Wojdyla JA, Klein A, Kaminska R, Bayley H, Saibil HR, Robinson CV, Kleanthous C, Science. 2013 Jun 28;340(6140):1570-4. doi: 10.1126/science.1237864. PMID: 23812713

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