3F7M:
reference: The crystal structures of two cuticle-degrading proteases from nematophagous fungi and their contribution to infection against nematodes., Liang L, Meng Z, Ye F, Yang J, Liu S, Sun Y, Guo Y, Mi Q, Huang X, Zou C, Rao Z, Lou Z, Zhang KQ, FASEB J. 2010 May;24(5):1391-400. doi: 10.1096/fj.09-136408. Epub 2009 Dec 9. PMID: 20007510

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