>tr|A0A832T2G4|A0A832T2G4_9EURY Riboflavin kinase OS=Methanocaldococcus jannaschii GN=ribK MIIEGEVVSGLGEGRYFLSLPPYKEIFKKILGFEPYEGTLNLKLDREFDINKFKYIETED FEFNGKRFFGVKVLPIKILIGNKKIDGAIVVPKKTYHSSEIIEIIAPMKLREQFNLKDGD VIKILIKGDKDE