1.3.98.3	recombinant soluble His-tagged viperin (45-361) from Escherichia coli strain BL21(DE3) by nickel affinity chromatography, recombinant His-tagged full-length enzyme and viperin (214-361) from Escherichia coli strain BL21 inclusion bodies is solubilized by 8 M urea and further renaturated and purificated by nickel affinity chromatography and gel filtration. Reconstitution of the [4Fe-4S] cluster in Viperin residues 45-361, overview	711084