Figure 4From: Putative DNA G-quadruplex formation within the promoters of Plasmodium falciparum var genesThermal denaturation spectra of PQS from the upstream B regions of var genes in potassium, sodium and ammonium (cation concentration 150 mM). UpsB-Q-1 (green), UpsB-Q-2 (blue), UpsB-Q-3 (red) and UpsB-Q-4 (pink).Back to article page