>sp|A8A9X7|RIFK_IGNH4 Riboflavin kinase OS=Ignicoccus hospitalis GN=ribK MLAALYYVLKGDPYKALKEDLESLKKAKLLTEDLRITEKGMELIQQLISKPISLKGKVVS GDGEGRYYLSLEGYRRQVREKLGFDPFPGTLNVLLDPTSTEKKSTLMFKRPIILKGFTEN GKRYGEVLAFPARVSGVEAALVIPLKTHHPPEIIELISPVELRKALKLKDGDEVEVLVY