sulII MNKSLIIFGIVNITSDSFSDGGRYLAPDAAIAQARKLMAEGADVIDLGPASSNPDAAPVSSDTEIARIAPVLDALKADGIPVSLDSYQPATQAYALSRGVAYLNDIRGFPDAAFYPQLAKSSAKLVVMHSVQDGQADRREAPAGDIMDHIAAFFDARIAALTGAGIKRNRLVLDPGMGFFLGAAPETSLSVLARFDELRLRFDLPVLLSVSRKSFLRALTGRGPGDVGAATLAAELAAAAGGADFIRTHEPRPLRDGLAVLAALKETARIR DHPS catalyzes the formation of the immediate precursor of folic acid. It is implicated in resistance to sulfonamide. The type II enzyme is stable whereas type I DHPS loses its activity rapidly. 271 DHP2_ECOLX Dihydropteroate synthase type-2 Dihydropteroate pyrophosphorylase type II Dihydropteroate synthase type II