2JFC:
reference: The structure of the Met144Leu mutant of copper nitrite reductase from Alcaligenes xylosoxidans provides the first glimpse of a protein-protein complex with azurin II., Paraskevopoulos K, Hough MA, Sawers RG, Eady RR, Hasnain SS, J Biol Inorg Chem. 2007 Aug;12(6):789-96. Epub 2007 May 15. PMID: 17503096

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