>d1s4mb1 b.43.5.1 (B:459-589) Riboflavin kinase domain of bifunctional FAD synthetase {Thermotoga maritima} yfeiegivhkdrefgrklgfptanidrgneklvdlkrgvylvrvhlpdgkkkfgvmnvgf rptvgdarnvkyevyildfegdlygqrlklevlkfmrdekkfdsieelkaaidqdvksar nmiddiinskf