The viral genome is a positive strand RNA that encodes a single polyprotein precursor. Processing of the polyprotein precursor into mature proteins is carried out by the host signal peptidase and by NS3 serine protease, which requires NS2B (Pfam:PF01002) as a cofactor [4].

1: Association between NS3 and NS5 proteins of dengue virus type 2 in the putative RNA replicase is linked to differential phosphorylation of NS5. Kapoor M, Zhang L, Ramachandra M, Kusukawa J, Ebner KE, Padmanabhan R; J Biol Chem 1995;270:19100-19106. PMID:7642575

2: Flavivirus genome organization, expression, and replication. Chambers TJ, Hahn CS, Galler R, Rice CM; Annu Rev Microbiol 1990;44:649-688. PMID:2174669

3: Evolution and taxonomy of positive-strand RNA viruses: implications of comparative analysis of amino acid sequences. Koonin EV, Dolja VV; Crit Rev Biochem Mol Biol 1993;28:375-430. PMID:8269709

4: Dengue virus NS3 serine protease. Crystal structure and insights into interaction of the active site with substrates by molecular modeling and structural analysis of mutational effects. Murthy HM, Clum S, Padmanabhan R; J Biol Chem 1999;274:5573-5580. PMID:10026173