>sp|Q8TT90|RIFK_METAC Riboflavin kinase OS=Methanosarcina acetivorans GN=ribK
MRLKIKAIWVPTVPDIEYLKKLALRGAVNKTVKVSSSEFHKHTGDSSKTAARKLKQMEEE
RLIERKIVPGGQLIKMTEKGIEILKNEYIEYSRIFSSEPDVLELEGNVLKGLGEGQYYIN
IPGYRNQFEEKLNFVPFPGTLNVQLSESSSALRNRLKEMPAVRIDGFNDGERTFGGGNCY
PIKVEGIEAAVVVPDRTHYPADLIEIIAPVKLRDALKLKDGDRIVTRVKKQGMEGQK