unwinding angles for the structurally related antimalarial drugs chloroquine and quinacrine have been determined with superhelical col e1 plasmid dna by applying the quantitative method developed by vinograd and co-workers ( revet , b.m. , schmir , m. and vinograd , j . ( 1971 ) nat . new biol . 229 , 10 ) .
C0003374
antimalarial drugs
C0008269
chloroquine