3ZS7:
reference: Chemical, genetic and structural assessment of pyridoxal kinase as a drug target in the African trypanosome., Jones DC, Alphey MS, Wyllie S, Fairlamb AH, Mol Microbiol. 2012 Oct;86(1):51-64. doi: 10.1111/j.1365-2958.2012.08189.x. Epub , 2012 Aug 16. PMID: 22857512

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