ID 2.7.1.26 DE riboflavin kinase. AN flavokinase. AN RFK. CA ATP + riboflavin = ADP + FMN + H(+). CC -!- The cofactors FMN and FAD participate in numerous processes in all CC organisms, including mitochondrial electron transport, CC photosynthesis, fatty-acid oxidation, and metabolism of vitamin B6, CC vitamin B12 and folates. CC -!- While monofunctional riboflavin kinase is found in eukaryotes, some CC bacteria have a bifunctional enzyme that exhibits both this activity CC and that of EC 2.7.7.2. CC -!- In Bacillus subtilis, ATP can be replaced by other phosphate donors CC but with decreasing enzyme activity in the order ATP > dATP > CTP > CC UTP. DR Q84MD8, FHYRK_ARATH; Q7NBZ0, MNMA_MYCGA ; Q8Y7F2, RIBCF_LISMO; DR P54575, RIBC_BACSU ; P57250, RIBF_BUCAI ; Q8K9Z1, RIBF_BUCAP ; DR Q59263, RIBF_CORAM ; P0AG42, RIBF_ECO57 ; P0AG41, RIBF_ECOL6 ; DR P0AG40, RIBF_ECOLI ; A4IT50, RIBF_GEOTN ; P44957, RIBF_HAEIN ; DR P47391, RIBF_MYCGE ; P75587, RIBF_MYCPN ; P22990, RIBF_PSEFL ; DR O84990, RIBF_RHOOP ; P0AG43, RIBF_SHIFL ; P73651, RIBF_SYNY3 ; DR P94465, RIBR_BACSU ; A1C603, RIFK_ASPCL ; Q4WHD2, RIFK_ASPFU ; DR A2QFH1, RIFK_ASPNC ; Q2UMM4, RIFK_ASPOR ; Q0CHR1, RIFK_ASPTN ; DR Q6FM49, RIFK_CANGA ; P0C5D9, RIFK_CHAGB ; O76206, RIFK_DROME ; DR Q5AW61, RIFK_EMENI ; Q75DY2, RIFK_EREGS ; Q969G6, RIFK_HUMAN ; DR Q6CT57, RIFK_KLULA ; A5E1A0, RIFK_LODEL ; Q8CFV9, RIFK_MOUSE ; DR A1DG00, RIFK_NEOFI ; Q6M923, RIFK_NEUCR ; A5DAH9, RIFK_PICGU ; DR A3M0C9, RIFK_PICST ; A4QQ05, RIFK_PYRO7 ; O74866, RIFK_SCHPO ; DR Q6CG11, RIFK_YARLI ; Q03778, RIFK_YEAST ; //