5HLF:
reference: Exploring the role of the alpha-carboxyphosphonate moiety in the HIV-RT activity of alpha-carboxy nucleoside phosphonates., Mullins ND, Maguire NM, Ford A, Das K, Arnold E, Balzarini J, Maguire AR, Org Biomol Chem. 2016 Jan 27. PMID: 26813581

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