4L05:
reference: Structural, Functional, and Immunogenic Insights on Cu,Zn Superoxide Dismutase Pathogenic Virulence Factors from Neisseria meningitidis and Brucella abortus., Pratt AJ, DiDonato M, Shin DS, Cabelli DE, Bruns CK, Belzer CA, Gorringe AR, Langford PR, Tabatabai LB, Kroll JS, Tainer JA, Getzoff ED, J Bacteriol. 2015 Dec 15;197(24):3834-47. doi: 10.1128/JB.00343-15. Epub 2015 Oct, 12. PMID: 26459556

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