1NBF:
reference: Crystal structure of a UBP-family deubiquitinating enzyme in isolation and in complex with ubiquitin aldehyde., Hu M, Li P, Li M, Li W, Yao T, Wu JW, Gu W, Cohen RE, Shi Y, Cell 2002 Dec 27;111(7):1041-54. PMID: 12507430

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