1AJ0:
reference: Crystal structure of the anti-bacterial sulfonamide drug target dihydropteroate synthase., Achari A, Somers DO, Champness JN, Bryant PK, Rosemond J, Stammers DK, Nat Struct Biol 1997 Jun;4(6):490-7. PMID: 9187658

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