>sp|Q9YA27|RIFK_AERPE Riboflavin kinase OS=Aeropyrum pernix GN=ribK MDCGVFEGTVFSGLGHGSFYVSIYARNLRRALGYTPYPGTLNLRVGDAAERLAGCIERAR GVRIEPPPIPGERLASVLAFPVEIEGGVRGHIVRPEITVYKGDVVEIVADVYLRDVLKIS DGDKVRFRLLDP