4FDF:
reference: Structural Insights into Putative Molybdenum Cofactor Biosynthesis Protein C (MoaC2) from Mycobacterium tuberculosis H37Rv., Srivastava VK, Srivastava S, Arora A, Pratap JV, PLoS One. 2013;8(3):e58333. doi: 10.1371/journal.pone.0058333. Epub 2013 Mar 19. PMID: 23526978

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