Stibophen inhibits the enzyme phosphofructokinase at least partly by binding to the sulfhydryl ( -- SH ) group of the enzyme .
The enzyme phosphofructokinase the worms need for glycolysis .
Stibophen inhibits the enzyme phosphofructokinase , which the worms need for glycolysis , at least partly by binding to the sulfhydryl ( -- SH ) group of the enzyme .