Few years ago, it was reported that suramin (also called germanin), which is in clinical use since the 1920s as an anti-trypanosomal (sleeping sickness) and anti-filiarial drug (Wang, 1995), inhibits ATPase and DNA strand exchange activities of E. coli RecA (Wigle and Singleton, 2007). The gene discussed is DNAH8; the disease is human African trypanosomiasis.