6JWU:
reference: The structure of Plasmodium falciparum hydroxymethyldihydropterin pyrophosphokinase-dihydropteroate synthase reveals the basis of sulfa resistance., Chitnumsub P, Jaruwat A, Talawanich Y, Noytanom K, Liwnaree B, Poen S, Yuthavong Y, FEBS J. 2019 Dec 28. doi: 10.1111/febs.15196. PMID: 31883412

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