... machinery and significantly contribute to normalcellular metabolism. In general, helicases require a sin-gle-stranded nucleic acid region to bind and start theiraction of strand separation and once ... are ubiquitous and are the most commonmembers of SF2 [8,9]. The various ‘helicase motifs’have been named Q, I, Ia, Ib, II, III, IV, V and VI and, based on the mutational analysis and structuraldata ... helicase and ssDNA-dependent ATPase activities and is expressed in all thedevelopmental stages of the parasite (A. Pradhan and R. Tuteja, unpublished). PfDHA moves in the 3¢ to 5¢direction and...