2CY7:
reference: Structural Basis for the Specificity and Catalysis of Human Atg4B Responsible for Mammalian Autophagy., Sugawara K, Suzuki NN, Fujioka Y, Mizushima N, Ohsumi Y, Inagaki F, J Biol Chem 2005 Dec 2;280(48):40058-65. Epub 2005 Sep 23. PMID: 16183633

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